Schilling, K, Wagner, R, Kliche, A
No abstract available.
Behavioral changes in G72/G30 transgenic mice (2009)
Otte, D. M., Bilkei-Gorzo, A., Filiou, M. D., Turck, C. W., Yilmaz, O., Holst, M. I., ...
N. Eicker, L. Giusti, U. Glassner, S. Gusken, H. Hoeber, G. Martinelli, ...
a;d, A. Spitz a, and J. Viehoff
Lattice Field Theory on Cluster Computers: Vector- vs. cache-centric programming (2007)
C. Best, N. Eicker, T. Lippert, M. Peardon, P. Überholz, K. Schilling
We evaluate the possibility of moving medium-sized calculation in lattice field theory from vector supercomputers to cluster computers, namely clusters built from Alpha processors and Myrinet...
BLAS-3 for the Quadrics Parallel Computer (2007)
Th. Lippert, N. Petkov, K. Schilling
. A scalable parallel algorithm for matrix multiplication on SISAMD computers is presented. Our method enables us to implement an efficient BLAS library on the Italian APE100/Quadrics SISAMD...
Scalable Parallel SSOR Preconditioning for Lattice Computations in Gauge Theories (2007)
A. Frommer, Th. Lippert, K. Schilling
. We discuss a parallelization scheme for SSOR preconditioning of Krylov subspace solvers as applied in lattice gauge theory computations. Our preconditioner is based on a locally lexicographic...
Numerical Methods for the QCD Overlap Operator: I. Sign-Function and Error Bounds (2007)
A. Frommer, A. Frommer, K. Schilling, K. Schilling, ...
a
The QCD overlap operator D = 1+r 5 sign(Q) obeys the Ginsparg-Wilson relation and, as a consequence, exhibits exact chiral symmetry at finite lattice spacing a. Due to the sign function of the...
Mookerjee, R.P., Wiesenthal, A., Icking, A., Hodges, S.J., Davies, N.A., Schilling, K., ...
Background & Aims: Increased intrahepatic resistance in cirrhosis is associated with reduced endothelial NO synthase (eNOS) activity and exacerbated by superimposed inflammation. NOSTRIN induces...
Some aspects of vector meson photoproduction on protons (2005)
Some recent models on diffraction dissociation of photons that go beyond simple vector meson dominance of the final state by including non resonant diffractively produced background are reviewed. (41...
Finite-Size Effects in Lattice QCD with Dynamical Wilson Fermions (2005)
Orth, B., Lippert, Th., Schilling, K.
As computing resources are limited, choosing the parameters for a full Lattice QCD simulation always amounts to a compromise between the competing objectives of a lattice spacing as small, quarks as...
Numerical Methods for the QCD Overlap Operator IV: Hybrid Monte Carlo (2005)
Cundy, N., Krieg, S., Arnold, G., Frommer, A., Lippert, Th., Schilling, K.
The extreme computational costs of calculating the sign of the Wilson matrix within the overlap operator have so far prevented four dimensional dynamical overlap simulations on realistic lattice...
No synthase interacting protein is indispensable for embryonic development (2005)
Oess,S., Gemhard,S., Moser,M., Graf,S., Schilling,K., Fässler,R., ...
No synthase interacting protein is indispensable for embryonic development (2005)
Oess, S., Gemhard, S., Moser, M., Graf, S., Schilling, K., Fässler, R., ...
Finite-Size Effects in Lattice QCD with Dynamical Wilson Fermions (2005)
Orth, B., Lippert, T., Schilling, K.
This version is available at the following Publisher URL: http://prd.aps.org
Observation of String Breaking in QCD (2005)
Bali, G. S., Neff, H., Düssel, T., Lippert, T., Schilling, K.
This version is available at the following Publisher URL: http://prd.aps.org
Hagler, Ph., Negele, J. W., Renner, D. B., Schroers, W., Lippert, T., Schilling, K.
A complete description of the nucleon structure in terms of generalized parton distributions (GPDs) at twist 2 level requires the measurement/computation of the eight functions H, E, \tilde H, \tilde...
String breaking with dynamical Wilson fermions (2004)
Bali, G. S., Duessel, Th., Lippert, Th., Neff, H., Prkacin, Z., Schilling, K.
We present results of our ongoing determination of string breaking in full QCD with N_f=2 Wilson fermions. Our investigation of the fission of the static quark-antiquark string into a static-light...
Dynamical overlap simulations using HMC (2004)
Cundy, N., Krieg, S., Frommer, A., Lippert, Th., Schilling, K.
We apply the Hybrid Monte Carlo method to the simulation of overlap fermions. We give the fermionic force for the molecular dynamics update. We present early results on a small dynamical chiral...
Negele, J. W., Brower, R. C., Dreher, P., Edwards, R., Fleming, G., Hagler, Ph., ...
This talk presents recent calculations in full QCD of the lowest three moments of generalized parton distributions and the insight they provide into the behavior of nucleon electromagnetic form...
A partially quenched analysis of the eta-eta' system in N_f=2 QCD (2004)
Neff, H., Lippert, Th., Negele, J., Schilling, K.
We report on a first, comprehensive partially quenched study of the eta-eta' problem, based on SESAM configurations on a 16^3x32 lattice at beta=5.6 QCD with two (mass degenerate) active sea quark...
Computing the eta and eta' Mesons in Lattice QCD (2004)
Schilling, K., Neff, H., Lippert, Th.
It has been known for a long time that the large experimental singlet-octet mass gap in the pseudoscalar meson mass spectrum originates from the anomaly of the axial vector current, i.e. from...
Transverse Structure of Nucleon Parton Distributions from Lattice QCD (2003)
Hagler, SESAM Collaborations: Ph., Negele, J. W., Renner, D. B., Schroers, W., Lippert, Th., ...
This work presents the first calculation in lattice QCD of three moments of spin-averaged and spin-polarized generalized parton distributions in the proton. It is shown that the slope of the...
Volume dependence of light hadron masses in full lattice QCD (2003)
Orth, B., Lippert, T., Schilling, K.
The aim of the GRAL project is to simulate full QCD with standard Wilson fermions at light quark masses on small to medium-sized lattices and to obtain infinite-volume results by extrapolation. In...
Insight into nucleon structure from generalized parton distributions (2003)
Collaboration, LHPC, Brower, R. C., Dreher, P., Edwards, R., Fleming, G., ...
The lowest three moments of generalized parton distributions are calculated in full QCD and provide new insight into the behavior of nucleon electromagnetic form factors, the origin of the nucleon...
Moments of nucleon spin-dependent generalized parton distributions (2003)
Schroers, W., Brower, R. C., Dreher, P., Edwards, R., Fleming, G., Hagler, Ph., ...
We present a lattice measurement of the first two moments of the spin-dependent GPD H-tilde(x,xi,t). From these we obtain the axial coupling constant and the second moment of the spin-dependent...
$\gamma N \to \Delta$ transition form factors in Quenched and $N_F=2$ QCD (2003)
Alexandrou, C, Tsapalis, A, Schroers, W, Schilling, K, Negele, J W, Neff, H, ...
Calculations of the magnetic dipole, electric quadrupole and Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are presented both in quenched QCD and with two flavours of...
$\gamma N \to \Delta$ transition form factors in Quenched and $N_F=2$ QCD (2003)
Alexandrou, C, De Forcrand, Philippe, Lippert, T, Neff, H, Negele, J W, Schilling, K, ...
Calculations of the magnetic dipole, electric quadrupole and Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are presented both in quenched QCD and with two flavours of...
$\gamma N \to \Delta$ transition form factors in Quenched and $N_F=2$ QCD (2003)
Alexandrou, C., De Forcrand, Ph., Lippert, Th., Neff, H., Negele, J. W., Schilling, K., ...
Calculations of the magnetic dipole, electric quadrupole and Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are presented both in quenched QCD and with two flavours of...
N to Delta electromagnetic transition form factors from Lattice QCD (2003)
Alexandrou, C, Tsapalis, A, Schilling, K, Negele, J W, Neff, H, Lippert, T, ...
The magnetic dipole, the electric quadrupole and the Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are evaluated in lattice QCD. Unquenching effects are studied using two...
N to Delta electromagnetic transition form factors from Lattice QCD (2003)
Alexandrou, C, De Forcrand, Philippe, Lippert, T, Neff, H, Negele, J W, Schilling, K, ...
The magnetic dipole, the electric quadrupole and the Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are evaluated in lattice QCD. Unquenching effects are studied using two...
N to Delta electromagnetic transition form factors from Lattice QCD (2003)
Alexandrou, C., De Forcrand, Ph., Lippert, Th., Neff, H., Negele, J. W., Schilling, K., ...
The magnetic dipole, the electric quadrupole and the Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are evaluated both in quenched lattice QCD at $\beta=6.0$ and using two...
On the scaling of computational particle physics codes on cluster computers (2003)
Sroczynski, Z., Eicker, N., Lippert, Th., Orth, B., Schilling, K.
Many appplications in computational science are sufficiently compute-intensive that they depend on the power of parallel computing for viability. For all but the "embarrassingly parallel" problems,...
Hereditary myoclonus-dystonia associated with epilepsy (2003)
Foncke, E.M.J., Klein, C., Kramer, P.L., Schilling, K., Muller, B., ...
Calculation of Nucleon Electromagnetic Form Factors (2002)
Brower, R., Dolgov, D., Eicker, N., Lippert, Th., ...
The fomalism is developed to express nucleon matrix elements of the electromagnetic current in terms of form factors consistent with the translational, rotational, and parity symmetries of a cubic...
Continuum Extrapolation of Moments of Nucleon Quark Distributions in Full QCD (2002)
Dreher, SESAM Collaborations: P., Brower, R., Capitani, S., Dolgov, D., Edwards, R., ...
Moments of light cone quark density, helicity, and transversity distributions are calculated in unquenched lattice QCD at $\beta = 5.5$ and $\beta = 5.3$ using Wilson fermions on $ 16^3 \times 32 $...
Compact QED under scrutiny: it's first order (2002)
Arnold, G., Bunk, B., Lippert, Th., Schilling, K.
We report new results from our finite size scaling analysis of 4d compact pure U(1) gauge theory with Wilson action. Investigating several cumulants of the plaquette energy within the Borgs-Kotecky...
The eta ' signal from partially quenched Wilson fermions (2002)
Neff, Harmut, Lippert, Th., Negele, J. W., Schilling, K.
We present new results from our ongoing study of flavor singlet pseudoscalar mesons in QCD. Our approach is based on (a) performing truncated eigenmode expansions for the hairpin diagram and (b)...
Calculation of the N to $\Delta$ electromagnetic transition matrix element (2002)
Alexandrou, C, De Forcrand, Philippe, Lippert, T, Neff, H, Negele, J W, Schilling, K, ...
We present results on the ratio of electric quadrupole to magnetic dipole amplitudes, $R_{EM}={\cal G}_{E2}/{\cal G}_{M1}$, for the transition $\gamma N\to \Delta$ from lattice QCD. We consider both...
Calculation of the N to Delta electromagnetic transition matrix element (2002)
Alexandrou, C., De Forcrand, Ph., Lippert, Th., Neff, H., Negele, J. W., Schilling, K., ...
We present results on the ratio of electric quadrupole to magnetic dipole amplitudes, $R_{EM}={\cal G}_{E2}/{\cal G}_{M1}$, for the transition $\gamma N to \Delta$ from lattice QCD. We consider both...
Numerical Methods for the QCD Overlap Operator: I. Sign-Function and Error Bounds (2002)
Eshof, J. Van Den, Frommer, A., Lippert, Th., Schilling, K., Van Der Vorst, H. A.
The numerical and computational aspects of the overlap formalism in lattice quantum chromodynamics are extremely demanding due to a matrix-vector product that involves the sign function of the...
Moments of Nucleon Light Cone Quark Distributions Calculated in Full Lattice QCD (2002)
Collaboration, LHPC, Dolgov, SESAM Collaboration: D., Brower, R., Capitani, S., Dreher, P., Negele, J. W., ...
Moments of the quark density, helicity, and transversity distributions are calculated in unquenched lattice QCD. Calculations of proton matrix elements of operators corresponding to these moments...
Flavour Singlet Mesons in Full QCD on the Lattice (2002)
Schilling, K., Neff, H., Eicker, N., Lippert, Th., Negele, J. W.
We apply spectral methods to compute the OZI-rule suppressed loop-loop correlators in the pseudoscalar meson flavour singlet channel. Using SESAM configurations (obtained with two degenerate sea...
Phenotypic features of myoclonus-dystonia in three kindreds (2002)
Doheny, D.O., Brin, M.f., Morrison, C.E., Smith, C.J., Walker, R.H., Abbasi, S., ...
Arndt,H., Arnold,G., Eicker,N., Fliegner,D., Frommer,A., Hentschke,R., ...
Numerical Methods for the QCD Overlap Operator: I. . . . (2002)
Th. Lippert, A. Frommer, A. Frommer, ...
The numerical and computational aspects of the overlap formalism in lattice quantum chromodynamics are extremely demanding due to a matrix-vector product that involves the sign function of the...
A comparative study of numerical methods for the overlap Dirac operator - a status report (2002)
Frommer, A, Lippert, T, Schilling, K
Improvements of various methods to compute the sign function of the hermitian Wilson-Dirac matrix within the overlap operator are presented. An optimal partial fraction expansion (PFE) based on a...
Fast evaluation and locality of overlap fermions (2001)
Bietenholz, W., Hip, I., Schilling, K.
In order to construct improved overlap fermions, we start from a short ranged approximate Ginsparg-Wilson fermion and insert it into the overlap formula. We show that its polynomial evaluation is...
A comparative study of numerical methods for the overlap Dirac operator--a status report (2001)
Eshof, J. Van Den, Frommer, A., Lippert, Th., Schilling, K., Van Der Vorst, H. A.
Improvements of various methods to compute the sign function of the hermitian Wilson-Dirac matrix within the overlap operator are presented. An optimal partial fraction expansion (PFE) based on a...
Exploiting finite-size-effects to simulate full QCD with light quarks - a progress report (2001)
Orth, B., Eicker, N., Lippert, Th., Schilling, K., Schroers, W., Sroczynski, Z.
We present a report on the status of the GRAL project (Going Realistic And Light), which aims at simulating full QCD with two dynamical Wilson quarks below the vector meson decay threshold, m_ps/m_v...
The Consequences of Non-Normality (2001)
Hip, I., Lippert, Th., Neff, H., Schilling, K., Schroers, W.
The non-normality of Wilson-type lattice Dirac operators has important consequences - the application of the usual concepts from the textbook (hermitian) quantum mechanics should be reconsidered....
Light Quark Masses with $N_f=2$ Wilson Fermions (2001)
Eicker, N., Lippert, Th., Orth, B., Schilling, K.
We present new data on the mass of the light and strange quarks from SESAM/T$\chi$L. The results were obtained on lattice-volumes of $16^3\times 32$ and $24^3\times 40$ points, with the possibility...
A New Approach to eta' on the Lattice (2001)
Schilling, K., Neff, H., Eicker, N., Lippert, Th., Negele, J. W.
We perform an eta' mass analysis based on a total of 1130 dynamical gauge field configurations, with 5 different quark mass values on lattices of size 16^3*32 (SESAM) and 24^3*40 (TkL) at beta = 5.6....
The Quest for Light Sea Quarks: Algorithms for the Future (2001)
Schroers, W., Eicker, N., D'Elia, M., De Forcrand, Ph., Gebert, C., Lippert, Th., ...
As part of a systematic algorithm study, we present first results on a performance comparison between a multibosonic algorithm and the hybrid Monte Carlo algorithm as employed by the SESAM...
Quark mass effects on the topological susceptibility in QCD (2001)
Bali, G.S., Eicker, N., Lippert, T., Neff, H., Orth, B., Schilling, K., ...
We investigate topology in lattice simulations of QCD with two flavors of dynamical Wilson fermions. At various sea quark masses we find reasonable agreement between results for the topological...
On the low fermionic eigenmode dominance in QCD on the lattice (2001)
Neff, H., Eicker, N., Lippert, Th., Negele, J. W., Schilling, K.
We demonstrate the utility of a spectral approximation to fermion loop operators using low-lying eigenmodes of the hermitian Dirac-Wilson matrix, Q. The investigation is based on a total of 400 full...
Instanton dominance of topological charge fluctuations in QCD? (2001)
Hip, I., Lippert, Th., Neff, H., Schilling, K., Schroers, W.
We consider the local chirality of near-zero eigenvectors from Wilson-Dirac and clover improved Wilson-Dirac lattice operators as proposed recently by Horv\'ath et al. We studied finer lattices and...
High precision study of the QQ potential from Wilson loops at large distances (2001)
Bolder, B., Struckmann, T., Bali, G.S., Eicker, N., Lippert, T., Orth, B., ...
For lattice QCD with two sea quark flavors we study the static quark-antiquark potential V(R) in the regime where string breaking is expected. In order to increase the statistics, we make full use of...
Flavor singlet pseudoscalar masses in Nf=2 QCD (2001)
Struckmann, T., Schilling, K., Bali, G., Eicker, N., Gusken, S., Lippert, T., ...
We perform a lattice mass analysis in the flavor singlet pseudoscalar channel on the SESAM and T chiL full QCD vacuum configurations, with 2 active flavors of dynamical Wilson fermions at beta =5.6....
Finite size scaling analysis of compact QED (2000)
Arnold, G., Lippert, Th., Neuhaus, Th., Schilling, K.
We describe results of a high-statistics finite size scaling analysis of 4d compact U(1) lattice gauge theory with Wilson action at the phase transition point. Using a multicanonical hybrid Monte...
Moments of Structure Functions in Full QCD (2000)
Dolgov, D., Brower, R., Capitani, S., Negele, J. W., Pochinsky, A., Renner, D., ...
Moments of the quark density distribution, moments of the quark helicity distribution, and the tensor charge are calculated in full QCD. Calculations of matrix elements of operators from the operator...
Constructing Improved Overlap Fermions in QCD (2000)
Bietenholz, W., Eicker, N., Hip, I., Schilling, K.
We describe an explicit construction of approximate Ginsparg-Wilson fermions for QCD. We use ingredients of perfect action origin, and further elements. The spectrum of the lattice Dirac operator...
Flavour singlet pseudoscalar masses in N_f = 2 QCD (2000)
Struckmann, T., Schilling, K., Bali, G., Eicker, N., Guesken, S., Lippert, Th., ...
We perform a lattice mass analysis in the flavour singlet pseudoscalar channel on the SESAM and TXL full QCD vacuum configurations, with 2 active flavours of dynamical Wilson fermions at beta = 5.6....
Static potentials and glueball masses from QCD simulations with Wilson sea quarks (2000)
Bali, G.S., Bolder, B., Eicker, N., Lippert, T., Orth, B., Ueberholz, P., ...
We calculate glueball and torelon masses as well as the lowest lying hybrid potential in addition to the static ground state potential in lattice simulations of QCD with two flavors of dynamical...
Probing the QCD vacuum with flavour singlet objects: $\eta'$ on the lattice (2000)
Struckmann, T., Schilling, K., Ueberholz, P., Eicker, N., Guesken, S., Lippert, Th., ...
We present a study on the direct determination of the $\eta '$ mass on the full set of SESAM and T$\chi$L QCD vacuum configurations with 2 active flavours of Wilson fermions, at $\beta = 5.6$. We...
Bolder, B., Struckmann, T., Bali, G. S., Eicker, N., Lippert, Th., Orth, B., ...
For lattice QCD with two sea quark flavours we compute the static quark antiquark potential V(R) in the regime where string breaking is expected. In order to increase statistics, we make full use of...
Review on String Breaking - the Query in Quest of the Evidence (1999)
Considerable progress has been achieved recently in the observation of string breaking within non-Abelian Higgs models, by use of multi-channel methods allowing for broken string states. Similarly,...
Eicker, N., Best, C., Lippert, Th., Schilling, K.
It is shown that the 21264 Alpha processor can reach about 20% sustained efficiency for the inversion of the Wilson-Dirac operator. Since fast ethernet is not sufficient to get balancing between...
Multicanonical hybrid Monte Carlo for compact QED (1999)
Arnold, G., Lippert, Th., Schilling, K.
We demonstrate that substantial progress can be achieved in the study of the phase structure of 4-dimensional compact QED by a joint use of hybrid Monte Carlo and multicanonical algorithms, through...
Alpha_S from Upsilon Spectroscopy with Dynamical Wilson Fermions (1999)
Spitz, SESAM Collaboration: A., Hoeber, H., Eicker, N., Guesken, S., Lippert, Th., Schilling, K., ...
We estimate the QCD coupling constant from a lattice calculation of the bottomonium spectrum. The second order perturbative expansion of the plaquette expectation value is employed to determine...
Flavor Singlet Axial Vector Coupling of the Proton with Dynamical Wilson Fermions (1999)
Güsken, S., Ueberholz, P., Viehoff, J., Eicker, N., Lippert, T., Schilling, K., ...
We present the results of a full QCD lattice calculation of the flavor singlet axial vector coupling $G_A^1$ of the proton. The simulation has been carried out on a $16^3\times 32$ lattice at...
N. Eicker, C. Best, Th. Lippert, K. Schilling
this paper's benchmarks are based on two codes:
About the Costs of Simulating two Flavour QCD in the Deep Chiral Regime (1999)
S. Güsken, Th. Lippert, K. Schilling
Based on performance data of the SESAM/TØL hybrid Monte Carlo runs available at lattice spacing a = 0:079 fm, we attempt to prognosticate the computer time needed for producing full QCD vacuum...
Multicanonical Hybrid Monte Carlo: Boosting Simulations of Compact QED (1998)
Arnold, G., Lippert, Th., Schilling, K.
We demonstrate that substantial progress can be achieved in the study of the phase structure of 4-dimensional compact QED by a joint use of hybrid Monte Carlo and multicanonical algorithms, through...
An Estimate of alpha_S from Bottomonium in Unquenched QCD (1998)
Spitz, SESAM Collaboration: A., Eicker, N., Guesken, S., Hoeber, H., Lacock, P., Lippert, T., ...
We estimate the strong coupling constant from the perturbative expansion of the plaquette. The scale is set by the 2S-1S and 1P-1S splittings in bottomonium which are computed in NRQCD on dynamical...
The Pion-Nucleon sigma-Term with Dynamical Wilson Fermions (1998)
Güsken, SESAM-Collaboration: S., Ueberholz, P., Viehoff, J., Eicker, N., Lacock, P., Lippert, T., ...
We calculate connected and disconnected contributions to the flavour singlet scalar density amplitude of the nucleon in a full QCD lattice simulation with $n_f=2$ dynamical Wilson fermions at...
A Ginzburg-Landau Analysis of the Colour Electric Flux Tube (1998)
Bali, G. S., Schlichter, Ch., Schilling, K.
In a simulation of SU(2) gauge theory we investigate, after maximal Abelian projection, the dual Maxwell equations for colour field and monopole current distributions around a static quark-antiquark...
A Preconditioner for Improved Fermion Actions (1998)
Eicker, N., Bietenholz, W., Frommer, A., Lippert, Th., Medeke, B., Schilling, K.
SSOR preconditioning of fermion matrix inversions which is parallelized using a locally-lexicographic lattice sub-division, has been shown to be very efficient for standard Wilson fermions. We...
Decorrelating Topology with HMC (1998)
Lippert, Th., Alles, B., Bali, G., D'Elia, M., Di Giacomo, A., Eicker, N., ...
The investigation of the decorrelation efficiency of the HMC algorithm with respect to vacuum topology is a prerequisite for trustworthy full QCD simulations, in particular for the computation of...
Hybrid and Orbitally Excited Mesons in Full QCD (1998)
We present results for the hybrid meson spectrum produced by gluonic excitations in full QCD using Wilson fermions. For the spin-exotic mesons with J^{PC}=1^{-+}, 0^{+-}, and 2^{+-} we find the...
Preconditioning of Improved and ``Perfect'' Fermion Actions (1998)
Bietenholz, W., Eicker, N., Frommer, A., Lippert, Th., Medeke, B., Schilling, K., ...
We construct a locally-lexicographic SSOR preconditioner to accelerate the parallel iterative solution of linear systems of equations for two improved discretizations of lattice fermions: the...
Light and Strange Hadron Spectroscopy with Dynamical Wilson Fermions (1998)
Eicker, N., Glässner, U., Güsken, S., Hoeber, H., Lacock, P., Lippert, Th., ...
We present the final analysis of the light and strange hadron spectra from a full QCD lattice simulation with two degenerate dynamical sea quark flavours at $\beta = 5.6$ on a $16^3 \times 32$...
Scanning the Topological Sectors of the QCD Vacuum with Hybrid Monte Carlo (1998)
Alles, B., Bali, G., D'Elia, M., Di Giacomo, A., Eicker, N., Guesken, S., ...
We address a long standing issue and determine the decorrelation efficiency of the Hybrid Monte Carlo algorithm (HMC), for full QCD with Wilson fermions, with respect to vacuum topology. On the basis...
Mobile Micro-Robots for Scientific Instrument Deployment on Planets (1998)
Richter, L., Schilling, K., Bernasconi, M., Garcia-Marirrodriga, C.
A Preconditioner for Improved Fermion Actions (1998)
A. Frommer, B. Medeke, K. Schilling, Th. Lippert, N. Eicker, N. Eicker, ...
Introduction Recently, the symmetric successive overrelaxed preconditioner (SSOR) turned out to be parallelizable by means of the l ocally- l exicographic ordering technique [1]. In this way, SSOR...
Preconditioning of Improved and "Perfect" Fermion Actions (1998)
G. Weuffen, W. Bietenholz, W. Bietenholz, Th. Lippert, N. Eicker, N. Eicker, ...
We construct a locally-lexicographic SSOR preconditioner to accelerate the parallel iterative solution of linear systems of equations for two improved discretizations of lattice fermions: (i) the...
Critical Dynamics of the Hybrid Monte Carlo Algorithm (1997)
Lippert, TXL Collaboration: Th., Bali, G., Eicker, N., Giusti, L., Glaessner, U., ...
We investigate the critical dynamics of the Hybrid Monte Carlo algorithm approaching the chiral limit of standard Wilson fermions. Our observations are based on time series of lengths O(5000) for a...
Improving Stochastic Estimator Techniques for Disconnected Diagrams (1997)
Viehoff, J., Eicker, N., Guesken, S., Hoeber, H., Lacock, P., Lippert, Th., ...
Disconnected diagrams are expected to be sensitive to the inclusion of dynamical fermions. We present a feasibility study for the observation of such effects on the nucleonic matrix elements of the...
Glueballs and string breaking from full QCD (1997)
Eicker, N., Lacock, P., Lippert, T., Siegert, G., Spitz, A., ...
We present results on the static potential, and torelon and glueball masses from simulations of QCD with two flavours of dynamical Wilson fermions on $16^3\times 32$ and $24^3\times 40$ lattices at...
Light Quark Physics with Dynamical Wilson Fermions (1997)
Hoeber, TkL Collaborations: H., Eicker, N., Glässner, U., Güsken, S., Lacock, P., ...
We present results for spectroscopy, quark masses and decay constants obtained from SESAM's and TkL's large statistics simulations of QCD with two dynamical Wilson fermions.
Bottomonium from NRQCD with Dynamical Wilson Fermions (1997)
Spitz, A., Eicker, N., Fingberg, J., Güsken, S., Hoeber, H., Lippert, Th., ...
We present results for the b \bar b spectrum obtained using an O(M_bv^6)-correct non-relativistic lattice QCD action. Propagators are evaluated on SESAM's three sets of dynamical gauge configurations...
SSOR Preconditioning of Improved Actions (1997)
Eicker, N., Bietenholz, W., Frommer, A., Hoeber, H., Lippert, Th., Schilling, K.
We generalize local lexicographic SSOR preconditioning for the Sheikholeslami-Wohlert improved Wilson fermion action and the truncated perfect free fermion action. In our test implementation we...
The Structure of Flux Tubes in Maximal Abelian Gauge (1997)
Schlichter, Ch., Bali, G. S., Schilling, K.
Various field strength correlators are investigated in the maximal abelian projection of pure SU(2) lattice gauge theory. High precision measurements of the colour fields, monopole currents, their...
Improved Upsilon Spectrum with Dynamical Wilson Fermions (1997)
Eicker, N., Fingberg, J., Güsken, S., Hoeber, H., Lippert, Th., Schilling, K., ...
We present results for the b \bar b spectrum obtained using an O(M_bv^6)-correct non-relativistic lattice QCD action, where M_b denotes the bare b-quark mass and v^2 is the mean squared quark...
SESAM and TXL Results for Wilson Action--A Status Report (1997)
Lippert, Th., Bali, G., Eicker, N., Giusti, L., Guesken, U. Glaessner S., Hoeber, H., ...
Results from two studies of full QCD with two flavours of dynamical Wilson fermions are presented. At beta=5.6, the region 0.83 > m_pi/m_rho > 0.56 at m_pia > 0.23 L^{-1} is explored. The SESAM...
Light Quark Masses with Dynamical Wilson Fermions (1997)
Eicker, N., Glässner, U., Güsken, S., Hoeber, H., Lacock, P., Lippert, Th., ...
We determine the masses of the light and the strange quarks in the $\bar{MS}$-scheme using our high-statistics lattice simulation of QCD with dynamical Wilson fermions. For the light quark mass we...
A Scalable Parallel SSOR Preconditioner for Efficient Lattice Computations in Gauge Theories (1997)
N. Eicker, A. Frommer, H. Hoeber, Th. Lippert, B. Medeke, G. Ritzenhöfer, ...
F54.16> OE; (1) with M being the quark matrix (in analogy to the discretized Laplace equation of classical electrodynamics). Its solution, a Green's function x, describes the time behavior of...
Highly Optimized Code for Lattice Quantum Chromodynamics on the CRAY T3E (1997)
N. Attig, S. Güsken, P. Lacock, Th. Lippert, K. Schilling, P. Überholz, ...
from lattice gauge theory (LGT) simulations are urgently needed as theoretical input for current and future accelerator experiments that attempt to observe new physics beyond the Standard Model of...
Full QCD with Wilson Fermions: Recent Results from the SESAM Collaboration (1996)
Eicker, SESAM-Collaboration: N., Glässner, U., Güsken, S., Hoeber, H., Lippert, Th., Ritzenhöfer, G., ...
We present recent results of SESAM's large scale lattice simulation of QCD with two dynamical flavours of Wilson fermions. The emphasis is on future prospects in the extraction of flavour-singlet...
Bali, Gunnar S., Wachter, A., Schilling, K.
We present results on (order v^2) QCD interquark potentials from SU(3) lattice simulations on volumes of up to 32^4 lattice sites at beta = 6.2 and beta = 6.0. Preliminary results on quarkonia...
Full QCD with dynamical Wilson fermions on a 24^3 x 40-lattice -- a feasibility study (1996)
Eicker, N., Giusti, L., Glaessner, U., Guesken, S., Hoeber, H., ...
The investigation of light sea-quark effects in lattice QCD with dynamical Wilson fermions requires both larger physical volumes and finer lattice resolutions than achieved previously. As high-end...
Towards the glueball spectrum of full QCD (1996)
Bali, G. S., Glassner, U., Gusken, S., Hoeber, H., Lippert, Th., Ritzenhofer, G., ...
We present first results on masses of the scalar and tensor glueballs as well as of the torelon from simulations of QCD with two light flavours of Wilson fermions. The gauge configurations of extent...
Light Spectrum and Decay Constants in Full QCD with Wilson Fermions (1996)
Glaessner, U., Guesken, S., Hoeber, H., Lippert, Th., Ritzenhoefer, G., ...
We present results from an analysis of the light spectrum and the decay constants f_{\pi} and f_V^{-1} in Full QCD with n_f=2 Wilson fermions at a coupling of beta=5.6 on a 16^3x32 lattice.
A Parallel SSOR Preconditioner for Lattice QCD (1996)
Fischer, S., Frommer, A., Glaessner, U., Guesken, S., Hoeber, H., Lippert, Th., ...
A parallelizable SSOR preconditioning scheme for Krylov subspace iterative solvers in lattice QCD applications involving Wilson fermions is presented. In actual Hybrid Monte Carlo and quark...
Evaluating Sea Quark Contributions to Flavour-Singlet Operators in Lattice QCD (1996)
Eicker, SESAM-Collaboration: N., Glässner, U., Hoeber, S. Güsken H., Lippert, Th., Ritzenhöfer, G., Schilling, K., ...
In a full QCD lattice study with $N_f = 2$ Wilson fermions, we seek to optimize the signals for the disconnected contributions to the matrix element of flavour-singlet operators between nucleon...
How to compute Green's Functions for entire Mass Trajectories within Krylov Solvers (1996)
Glaessner, U., Guesken, S., Lippert, Th., Ritzenhoefer, G., Schilling, K., Frommer, A.
The availability of efficient Krylov subspace solvers play a vital role for the solution of a variety of numerical problems in computational science. Here we consider lattice field theory. We present...
First Evidence of $N_f$-Dependence in the QCD Interquark Potential (1996)
Glässner, U., Güsken, S., Hoeber, H., Lippert, Th., Ritzenhöfer, G., Schilling, K., ...
We present a lattice calculation of the interquark potential between static quarks in a ``full'' QCD simulation with 2 flavours of dynamical Wilson-quarks at three intermediate sea-quark masses. We...
Dual Superconductor Scenario of Confinement: A Systematic Study of Gribov Copy Effects (1996)
Bali, G. S., Bornyakov, V., Preussker, M. Mueller, Schilling, K.
We perform a study of the effects from maximal abelian gauge Gribov copies in the context of the dual superconductor scenario of confinement, on the basis of a novel approach for estimation of...
A Parallel SSOR Preconditioner for Lattice QCD (1996)
Fischer, S., Frommer, A., Glaessner, U., Lippert, Th., Ritzenhoefer, G., Schilling, K.
We present a parallelizable SSOR preconditioning scheme for Krylov subspace iterative solvers which proves to be efficient in lattice QCD applications involving Wilson fermions. Our preconditioner is...
Hyper-Systolic Processing on APE100/Quadrics: N^2-Loop Computations (1995)
Lippert, Th., Ritzenhöfer, G., Glässner, U., Hoeber, H., Seyfried, A., Schilling, K.
We investigate the performance gains from hyper-systolic implementations of n^2-loop problems on the massively parallel computer Quadrics, exploiting its 3-dimensional interprocessor connectivity....
First Lattice Study of Ghost Propagators in SU(2) and SU(3) Gauge Theories (1995)
We present a numerical study of the ghost propagators in Landau gauge for SU(2) and SU(3) gauge theories at $\beta$=2.7 and $\beta$=6.0, respectively. Analyzing different lattice sizes up to $32^4$,...
Semileptonic Decays of D and B Mesons (1995)
Güsken, S., Schilling, K., Siegert, G.
We report results of our ongoing investigation concerning semileptonic decays of heavy pseudoscalar mesons into pseudoscalar and vector mesons. Particular attention is paid to uncertainties in the...
QCD with dynamical Wilson fermions - first results from SESAM (1995)
Glässner, SESAM-Collaboration: U., Güsken, S., Hoeber, H., Lippert, Th., Luo, X., Ritzenhöfer, G., ...
First results of a recently started simulation of full QCD with two flavours of sea-quarks at a coupling of $\beta = 5.6$ on a $16^3 \times 32$ lattice are presented. Emphasis is laid on the...
Exploring Correlation Methods to Determine QCD beta-Functions on the Lattice (1995)
Bali, G. S., Schlichter, Ch., Schilling, K.
We investigate -- as an alternative to usual Monte Carlo Renormalization Group methods -- the feasibility of extracting QCD beta-functions directly from a lattice analysis of correlations between the...
Hyper-Systolic Parallel Computing (1995)
Lippert, Th., Seyfried, A., Bode, A., Schilling, K.
A new class of parallel algorithms is introduced that can achieve a complexity of O(n^3/2) with respect to the interprocessor communication, in the exact computation of systems with pairwise mutual...
Weak Decays of Heavy-Light Mesons on the Lattice: Semi-Leptonic Formfactors (1995)
Güsken, S., Siegert, G., Schilling, K.
We report results (on an intermediate statistics sample) of a study of weak semi-leptonic formfactors of $B$ and $D$ decays, addressing the uncertainties from mass extrapolations to chiral and to...
Monopoles in Compact U(1) -- Anatomy of the Phase Transition (1995)
Bode, A., Schilling, K., Bornyakov, V., Lippert, Th.
We present evidence that the existence of a first order phase transition in compact U(1) with Wilson action is not related to monopole loops wrapping around the toroidal lattice, as has been...
Integration of information-seeking skills and activities into a problem-based curriculum (1995)
Schilling, K, Ginn, DS, Mickelson, P, Roth, LH
Available via permanent archive in PubMed Central at http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=7599582.
Tuning up an oldtimer: hybrid Monte Carlo with Wilson fermions (1995)
Schilling, K, Frommer, A, Hannemann, V, Lippert, T, Nöckel, B
Semileptonic Decays of Heavy Mesons: A Status Report (1995)
Güsken, S., Schilling, K., Siegert, G.
We present intermediate results on our ongoing investigation concerning semileptonic decays of heavy pseudoscalar mesons into pseudoscalar and vector mesons. The corresponding formfactors are...
First-Order Signals in Compact QED with Monopole Suppressed Boundaries (1995)
Lippert, Th., Bode, A., Bornyakov, V., Schilling, K.
Pure gauge compact QED on hypercubic lattices is considered with periodically closed monopole currents suppressed. We compute observables on sublattices which are nested around the centre of the...
Dasenbrock, C., Descotes, G., Emmendörffer, A., Ernst, H., Harleman, J.H., ...
The toxicology profile of new test compounds is ascertained in repeat-dose toxicity studies with exposure over 4 weeks or 3 months which yield a range between a high dose causing overt toxicity and a...
Heavy-light baryonic mass splittings from the lattice (1994)
Alexandrou, C, Borrelli, A, Güsken, S, Jegerlehner, F, Schilling, K, Siegert, G, ...
We present lattice estimates of the mass of the heavy-light baryons \Lambda_b and \Xi_b obtained using propagating heavy quarks. For \Lambda_b our result is M_{\Lambda_b}=5.728 \pm 0.144 \pm 0.018...
Heavy-light baryonic mass splittings from the lattice (1994)
Alexandrou, C., Borrelli, A., Guesken, S., Jegerlehner, F., Schilling, K., Siegert, G., ...
We present lattice estimates of the mass of the heavy-light baryons $\Lambda_b$ and $\Xi_b$ obtained using propagating heavy quarks. For $\Lambda_b$ our result is $M_{\Lambda_b}=5.728 \pm 0.144 \pm...
Color Flux Profiles in SU(2) Lattice Gauge Theory (1994)
Schlichter, Ch., Bali, G. S., Schilling, K.
Results of a high statistics study of chromo field distributions around static sources in pure SU(2) gauge theory on lattices of volumes $16^4$, $32^4$, and $48^3\times 64$ at $\beta=2.5$, $2.635$,...
Spin dependent potentials from SU(2) gauge theory (1994)
Bali, G. S., Schilling, K., Wachter, A.
We present results on spin dependent potentials from lattice simulations of SU(2) gauge theory. The Coulomb like short range part of the central potential is identified as a mixed vector-scalar...
Confining Forces and String Formation from the Lattice (1994)
Bali, G. S., Schilling, K., Schlichter, C., Wachter, A.
We show the running coupling as derived from the SU(3) QQ potential and discuss preliminary results on spin dependent heavy quark potentials from high statistics lattice simulations of SU(2) gauge...
Observing long colour flux tubes in SU(2) lattice gauge theory (1994)
Bali, G S, Schilling, K, Schlichter, C
We present results of a high statistics study of the chromo field distribution between static quarks in SU(2) gauge theory on lattices of volumes 16^4, 32^4, and 48^3*64, with physical extent ranging...
Observing Long Colour Flux Tubes in SU(2) Lattice Gauge Theory (1994)
Bali, G. S., Schilling, K., Schlichter, C.
We present results of a high statistics study of the chromo field distribution between static quarks in SU(2) gauge theory on lattices of volumes 16^4, 32^4, and 48^3*64, with physical extent ranging...
Beautiful baryons from lattice QCD (1994)
Alexandrou, C, Borrelli, A, Güsken, S, Jegerlehner, F, Schilling, K, Siegert, G, ...
We perform a lattice study of heavy baryons, containing one (\Lambda_b) or two b-quarks (\Xi_b). Using the quenched approximation we obtain for the mass of \Lambda_b M_{\Lambda_b}= 5.728 \pm 0.144...
Beautiful Baryons from Lattice QCD (1994)
Alexandrou, C., Borrelli, A., Güsken, S., Jegerlehner, F., Schilling, K., Siegert, G., ...
We perform a lattice study of heavy baryons, containing one ($\Lambda_b$) or two $b$-quarks ($\Xi_b$). Using the quenched approximation we obtain for the mass of $\Lambda_b$ $$ M_{\Lambda_b}= 5.728...
Frommer, A., Hannemann, V., Lippert, Th., Noeckel, B., Schilling, K.
The stabilized biconjugate gradient algorithm BiCGStab recently presented by van der Vorst is applied to the inversion of the lattice fermion operator in the Wilson formulation of lattice Quantum...
The Leptonic Decay Constants of $\bar{Q}q$ Mesons and the Lattice Resolution (1993)
Alexandrou, C., Güsken, S., Jegerlehner, F., Schilling, K., Siegert, G., Sommer, R.
We present a high statistics study of the leptonic decay constant $f_P$ of heavy pseudoscalar mesons using propagating heavy Wilson quarks within the quenched approximation, on lattices covering...
Specific Heat Exponent for the 3-d Ising Model from a 24-th Order High Temperature Series (1993)
Bhanot, G., Creutz, M., Glaessner, U., Schilling, K.
We compute high temperature expansions of the 3-d Ising model using a recursive transfer-matrix algorithm and extend the expansion of the free energy to 24th order. Using ID-Pade and ratio methods,...
Monopole clusters and critical dynamics in four-dimensional U(1) (1993)
Bode, A., Lippert, Th., Schilling, K.
We investigate monopoles in four-dimensional compact U(1) with Wilson action. We focus our attention on monopole clusters as they can be identified unambiguously contrary to monopole loops. We locate...
Jegerlehner, F., Schilling, K., Siegert, G., Sommer, R.
A high statistics calculation, performed at $\beta =5.74,\;6.00$ and $6.26$, enables us to study the variation of the leptonic decay constants $f_P$ of heavy pseudoscalar mesons with the lattice...
SU(2) Colour Fields Around Static Sources (1993)
Bali, G. S., Schilling, K., Schlichter, C.
First results of an ongoing high statistics study of the colour flux distribution around static quark sources in SU(2) gauge theory are presented. The flux tube profiles and widths have been...
Alpha_s from the Lattice Potential (1993)
We present an extensive study on the direct determination of the running coupling alpha_s from the static quark antiquark force at short distances, in quenched QCD. We find from our high statistics...
We describe the Wuppertal university pilot project in applied parallel computing. We report on a comprehensive high statistics determination of the static quark-antiquark potential and related...
Semi-leptonic Decays of Heavy Flavours on a Fine Grained Lattice (1993)
Abada, As., Allton, C. R., Boucaud, Ph., Carpenter, D. B., Crisafulli, M., Güsken, S., ...
We present the results of a numerical calculation of semi-leptonic form factors relevant for heavy flavour meson decays into light mesons, at $\beta=6.4$ on a $24^3 \times 60$ lattice, using the...
Computation of the Spatial String Tension in High Temperature SU(2) Gauge Theory (1993)
Bali, G. S., Fingberg, J., Heller, U. M., Karsch, F., Schilling, K.
A detailed investigation of the temperature dependence of the spatial string tension $\sigma_s$ in $SU(2)$ gauge theory is presented. A sustained performance of 3~GFLOPS on a 64K Connection Machine...
Bali, G. S., Fingberg, J., Heller, U. M., Karsch, F., Schilling, K.
We present results of a detailed investigation of the temperature dependence of the spatial string tension in SU(2) gauge theory. We show, for the first time, that the spatial string tension is...
A Comperative Study of Gauge Fixing Procedures on the Connection Machines CM2 and CM5 (1993)
Gauge fixing is a frequent task encountered in practical lattice gauge theory calculations. We review the performance characteristics of some standard gauging procedures for non-abelian gauge...
A comprehensive lattice study of SU(3) glueballs (1993)
Bali, UKQCD Collaboration: GS, Schilling, K, Hulsebos, A, Irving, AC, Michael, C, Stephenson, PW
We present a study of the $SU(3)$ glueball spectrum for all $J^{PC}$ values at lattice spacings down to $a^{-1}=3.73 (6)$ GeV ($\beta=6.4$) using lattices of size up to $32^4$. We extend previous...
Low Temperature Expansions for Potts Models (1993)
Bhanot, G., Creutz, M., Glassner, U., Horvath, I., Lacki, J., Schilling, K., ...
On simple cubic lattices, we compute low temperature series expansions for the energy, magnetization and susceptibility of the three-state Potts model in D=2 and D=3 to 45 and 39 excited bonds...
Results in the static approximation (1992)
Alexandrou, C, Güsken, S, Jegerlehner, F, Schilling, K, Sommer, Rainer
The static approximation of heavy-light quark-systems: a detailed lattice study (1992)
Alexandrou, C, Güsken, S, Jegerlehner, F, Schilling, K, Sommer, Rainer
Results in the static approximation (1992)
Alexandrou, C., Guesken, S., Jegerlehner, F., Schilling, K., Sommer, R.
We present a comprehensive study of finite volume and lattice spacing effects on observables calculated in the static approximation. Ground state projection using smearing techniques is studied at...
The Static Approximation of Heavy-Light Quark-Systems - A Systematic Lattice Study (1992)
Alexandrou, C., Guesken, S., Jegerlehner, F., Schilling, K., Sommer, R.
We present a study of {\it finite} $a$ and {\it volume} effects of the leptonic decay constant $f$ of heavy pseudoscalar mesons in the static approximation. This study is performed on a number of...
The Running Coupling from SU(3) Gauge Theory (1992)
We present high precision results on the static quark-antiquark-potential on 32^4 and smaller lattices, using the standard Wilson action at BETA = 6.0, 6.2, 6.4, and 6.8 on the Connection Machine...
A scaling analysis of heavy-light-meson properties (1992)
Sommer, Rainer, Alexandrou, C, Jegerlehner, F, Güsken, S, Schilling, K
Meson spectroscopy and decay constants with Wilson fermions at $\beta$ = 6.4 (1991)
Abada, A, Allton, C R, Boucaud, P, Carpenter, D B, Crisafulli, M, Galand, J, ...
Bounds on f$_{B}$ from lattice QCD (1991)
Alexandrou, C, Güsken, S, Jegerlehner, F, Schilling, K, Sommer, Rainer
Mass-splittings in the baryon octet and the nucleon sigma-term in lattice QCD (1990)
Güsken, S, Schilling, K, Sommer, Rainer, Mütter, K H, Patel, A D
Current algebra parameters on the lattice with a renormalisation group improved Wilson action (1990)
Güsken, S, Mütter, K H, Sommer, Rainer, Patel, A D, Schilling, K
Non-singlet axial vector couplings of the baryon octet in lattice QCD (1990)
Güsken, S, Löw, U, Mütter, K H, Sommer, Rainer, Patel, A D, Schilling, K
An improved lattice fermion action from block-diagonalisation (1990)
Güsken, S, Schilling, K, Sommer, Rainer, Gupta, R, Mütter, K H, Patel, A D
Chromogranin A in the olfactory system of the rat (1990)
Lahr, G., Heiss, C., Mayerhofer, A., Schilling, K., Parmer, R. J., O'Conner, D. T., ...
The olfactory bulb of the rat contains chromogranin A at a similar level as the adrenal gland or the hypophysis as revealed by immunoblots. Olfactory chromogranin A also displays the same size as...
Quantification of p38/synaptophysin in highly purified adrenal medullary chromaffin vesicles (1988)
Schilling, K., Gratzl, Manfred
p38/synaptophysin is a membrane protein present in clear (synaptic) vesicles of neurons and endocrine ceHs [1-4]. From the amino acid sequence deduced from cDNAs encoding p38/synaptophysin, a model...
Quark mass effects on the topological susceptibility in QCD
Bali, G.S., Eicker, N., Lippert, T., Neff, H., Orth, B., Schilling, K., ...
We investigate topology in lattice simulations of QCD with two flavors of dynamical Wilson fermions. At various sea quark masses we find reasonable agreement between results for the topological...
Static potentials and glueball masses from QCD simulations with Wilson sea quarks
Bali, G.S., Bolder, B., Eicker, N., Lippert, T., Orth, B., Ueberholz, P., ...
We calculate glueball and torelon masses as well as the lowest lying hybrid potential in addition to the static ground state potential in lattice simulations of QCD with two flavors of dynamical...
High precision study of the QQ potential from Wilson loops at large distances
Bolder, B., Struckmann, T., Bali, G.S., Eicker, N., Lippert, T., Orth, B., ...
For lattice QCD with two sea quark flavors we study the static quark-antiquark potential V(R) in the regime where string breaking is expected. In order to increase the statistics, we make full use of...
Flavor singlet pseudoscalar masses in Nf=2 QCD
Struckmann, T., Schilling, K., Bali, G., Eicker, N., Gusken, S., Lippert, T., ...
We perform a lattice mass analysis in the flavor singlet pseudoscalar channel on the SESAM and T chiL full QCD vacuum configurations, with 2 active flavors of dynamical Wilson fermions at beta =5.6....
Schilling, K, Luk, D, Morgan, J I, Curran, T
Expression of the c-fos protooncogene is induced by a great variety of extracellular stimuli. A fos-lacZ fusion gene has been constructed that recapitulates this regulation. The fos-lacZ gene was...
Burne, R A, Schilling, K, Bowen, W H, Yasbin, R E
A genetic library of Streptococcus mutans GS-5, constructed in an Escherichia coli plasmid vector, was screened for cells which could utilize sucrose as the sole carbon and energy source. The...
Integration of information-seeking skills and activities into a problem-based curriculum.
Schilling, K, Ginn, D S, Mickelson, P, Roth, L H
Recent trends in medical education include a shift from the traditional, didactic, lecture-oriented approach to a more student-driven, problem-based approach to learning. This trend provides...
Herzberg, M C, Gong, K, MacFarlane, G D, Erickson, P R, Soberay, A H, Krebsbach, P H, ...
Certain strains of Streptococcus sanguis adhere (Adh+) selectively to human platelets and, in plasma, induce them to aggregate (Agg+) into in vitro thrombi. In this study, we examined 18 recent...
Role of a cell surface-associated protein in adherence and dental caries.
Bowen, W H, Schilling, K, Giertsen, E, Pearson, S, Lee, S F, Bleiweis, A, ...
Insertional inactivation of the Streptococcus mutans spaP gene was used to construct an isogenic mutant (834) of strain NG8 (serotype c) which lacked the major cell surface-associated protein...
Hiipakka, R A, Chen, C, Schilling, K, Oberhauser, A, Saltzman, A, Liao, S
A solid-phase radioimmunoassay was developed to measure the level of the androgen-dependent spermine-binding protein (SBP) in the cytosol fraction of the rat ventral prostate during endocrine...
Schilling, K, Luk, D, Morgan, J I, Curran, T
Expression of the c-fos protooncogene is induced by a great variety of extracellular stimuli. A fos-lacZ fusion gene has been constructed that recapitulates this regulation. The fos-lacZ gene was...
Burne, R A, Schilling, K, Bowen, W H, Yasbin, R E
A genetic library of Streptococcus mutans GS-5, constructed in an Escherichia coli plasmid vector, was screened for cells which could utilize sucrose as the sole carbon and energy source. The...
Integration of information-seeking skills and activities into a problem-based curriculum.
Schilling, K, Ginn, D S, Mickelson, P, Roth, L H
Recent trends in medical education include a shift from the traditional, didactic, lecture-oriented approach to a more student-driven, problem-based approach to learning. This trend provides...
Herzberg, M C, Gong, K, MacFarlane, G D, Erickson, P R, Soberay, A H, Krebsbach, P H, ...
Certain strains of Streptococcus sanguis adhere (Adh+) selectively to human platelets and, in plasma, induce them to aggregate (Agg+) into in vitro thrombi. In this study, we examined 18 recent...
Role of a cell surface-associated protein in adherence and dental caries.
Bowen, W H, Schilling, K, Giertsen, E, Pearson, S, Lee, S F, Bleiweis, A, ...
Insertional inactivation of the Streptococcus mutans spaP gene was used to construct an isogenic mutant (834) of strain NG8 (serotype c) which lacked the major cell surface-associated protein...
Hiipakka, R A, Chen, C, Schilling, K, Oberhauser, A, Saltzman, A, Liao, S
A solid-phase radioimmunoassay was developed to measure the level of the androgen-dependent spermine-binding protein (SBP) in the cytosol fraction of the rat ventral prostate during endocrine...
Quark mass effects on the topological susceptibility in QCD
Bali, G.S., Eicker, N., Lippert, T., Neff, H., Orth, B., Schilling, K., ...
We investigate topology in lattice simulations of QCD with two flavors of dynamical Wilson fermions. At various sea quark masses we find reasonable agreement between results for the topological...
Static potentials and glueball masses from QCD simulations with Wilson sea quarks
Bali, G.S., Bolder, B., Eicker, N., Lippert, T., Orth, B., Ueberholz, P., ...
We calculate glueball and torelon masses as well as the lowest lying hybrid potential in addition to the static ground state potential in lattice simulations of QCD with two flavors of dynamical...
High precision study of the QQ potential from Wilson loops at large distances
Bolder, B., Struckmann, T., Bali, G.S., Eicker, N., Lippert, T., Orth, B., ...
For lattice QCD with two sea quark flavors we study the static quark-antiquark potential V(R) in the regime where string breaking is expected. In order to increase the statistics, we make full use of...
Flavor singlet pseudoscalar masses in Nf=2 QCD
Struckmann, T., Schilling, K., Bali, G., Eicker, N., Gusken, S., Lippert, T., ...
We perform a lattice mass analysis in the flavor singlet pseudoscalar channel on the SESAM and T chiL full QCD vacuum configurations, with 2 active flavors of dynamical Wilson fermions at beta =5.6....
Genetic heterogeneity in rapid onset dystonia-parkinsonism: description of a new family
Kabakci, K, Isbruch, K, Schilling, K, Hedrich, K, De Carvalho, Aguia... P, Ozelius, L, ...
Hyper-Systolic Routing for SIMD Systems
A. Hoferichter, Th. Lippert, K. Schilling, P. Palazzari
We present a routing emulator for the distributed permutation problem on SIMD parallel systems, not equipped with hardware routing facilities and restricted to nearest neighbour connectivity. The...