New results on focusing of gamma-rays with Laue lenses (2009)
Ferrari, F., Frontera, F., Loffredo, G., Virgilli, E., Guidorzi, C., Carassiti, V., ...
We report on new results on the development activity of broad band Laue lenses for hard X-/gamma-ray astronomy (70/100-600 keV). After the development of a first prototype, whose performance was...
M. Ortolani; IFN-CNR, A. Di Gaspare; IFN-CNR, E. Giovine; IFN-CNR, F. Evangelisti; IFN-CNR, V. Foglietti; IFN-CNR, A. Doria; ENEA Centro Ricerche Frascati, ...
We used AlGaN/GaN high electron mobility transistors as room-temperature direct detectors of radiation at 0.15 THz from a free electron laser, hence 5 times higher than their cutoff frequency of 30...
Focusing of gamma-rays with Laue lenses: first results (2008)
Frontera, F., Loffredo, G., Pisa, A., Nobili, F., Carassiti, V., Evangelisti, F., ...
We report on the first results obtained from our development project of focusing gamma-rays ($>$60 keV) by using Laue lenses. The first lens prototype model has been assembled and tested. We describe...
Development status of a Laue lens project for gamma-ray astronomy (2007)
Frontera, F., Loffredo, G., Pisa, A., Milani, L., Nobili, F., Auricchio, N., ...
We report the status of the HAXTEL project, devoted to perform a design study and the development of a Laue lens prototype. After a summary of the major results of the design study, the approach...
The HARP detector at the CERN PS (2007)
Catanesi, M. G., Muciaccia, M. T., Radicioni, E., Simone, S., Edgecock, R., Ellis, M., ...
35 pages, 37 figures.-- PACS nr.: 95.55.Vj.-- ISI Article Identifier: 000244576000001.-- Available online 10 November 2006.
Gamma-ray lens development status for a European Gamma-Ray Imager (2006)
Frontera, F., Pisa, A., Carassiti, V., Evangelisti, F., Loffredo, G., Pellicciotta, D., ...
A breakthrough in the sensitivity level of the hard X-/gamma-ray telescopes, which today are based on detectors that view the sky through (or not) coded masks, is expected when focusing optics will...
Conductance Quantization in Schottky-gated Si/SiGe Quantum Point Contacts (2006)
Scappucci, G., Di Gaspare, L., Giovine, E., Notargiacomo, A., Leoni, R., Evangelisti, F.
We report on the fabrication and electronic transport characterisation of Schottky-gated strongly confined Si/SiGe quantum point contacts (QPC). At zero magnetic field and T=450mK the QPC conductance...
Conductance quantization in etched Si/SiGe quantum point contacts (2005)
Scappucci, G., Di Gaspare, L., Giovine, E., Notargiacomo, A., Leoni, R., Evangelisti, F.
We fabricated strongly confined Schottky-gated quantum point contacts by etching Si/SiGe heterostructures and observed intriguing conductance quantization in units of approximately 1e2/h. Non-linear...
Exploring the Hard X-/soft gamma-ray Continuum Spectra with Laue Lenses (2005)
Frontera, F., Pisa, A., De Chiara, P., Loffredo, G., Pellicciotta, D., Carassiti, V., ...
The history of X-ray astronomy has shown that any advancement in our knowledge of the X-ray sky is strictly related to an increase in instrument sensitivity. At energies above 60 keV, there are...
Chemical composition of olive oils of the cultivar Colombaia (2005)
Boggia, R., Evangelisti, F., Rossi, N., Salvadeo, P., Zunin, P.
The chemical composition of monovarietal olive oils from the cultivar Colombaia was studied. Free acidity, peroxide value and UV absorbance attested to the good quality of the analyzed oils. Their...
Low field magnetotransport in strained Si/SiGe cavities (2004)
Scappucci, G., Di Gaspare, L., Evangelisti, F., Giovine, E., Notargiacomo, A., Leoni, R., ...
Low field magnetotransport revealing signatures of ballistic transport effects in strained Si/SiGe cavities is investigated. We fabricated strained Si/SiGe cavities by confining a high mobility...
Aerosol-ozone correlations during dust transport episodes (2004)
P. Bonasoni, P. Cristofanelli, F. Calzolari, U. Bonafè, F. Evangelisti, A. Stohl, ...
Its location in the Mediterranean region and its physical characteristics render Mt. Cimone (44°11′ N, 10°42′ E), the highest peak of the Italian northern Apennines (2165 m asl),...
Aerosol-ozone correlations during dust transport episodes (2004)
Bonasoni, P., Cristofanelli, P., Calzolari, F., Bonafè, U., Evangelisti, F., Stohl, A., ...
Its location in the Mediterranean region and its physical characteristics render Mt. Cimone (44°11' N, 10°42' E), the highest peak of the Italian northern Apennines (2165 m asl), particularly...
Aerosol-ozone correlations during dust transport episodes (2004)
Bonasoni, P., Cristofanelli, P., Calzolari, F., Bonafè, U., Evangelisti, F., Stohl, A., ...
Its location in the Mediterranean region and its physical characteristics render Mt. Cimone (44°11' N, 10°42' E), the highest peak of the Italian northern Apennines (2165 m asl), particularly...
Aerosol-ozone correlations during dust transport episodes (2004)
Bonasoni, P., Cristofanelli, P., Calzolari, F., Bonafè, U., Evangelisti, F., Stohl, A., ...
Its location in the Mediterranean region and its physical characteristics render Mt. Cimone (44°11' N, 10°42' E), the highest peak of the Italian northern Apennines (2165 m asl), particularly...
Aerosol-ozone correlations during dust transport episodes (2004)
Bonasoni, P., Cristofanelli, P., Calzolari, F., Bonafè, U., Evangelisti, F., Stohl, A., ...
Its location in the Mediterranean region and its physical characteristics render Mt. Cimone (44°11' N, 10°42' E), the highest peak of the Italian northern Apennines (2165 m asl), particularly...
Proposal to study helium induced hadron production for the atmospheric-neutrino flux (2001)
Catanesi, M G, Muciaccia, M T, Radicioni, E, Righini, P, Simone, S, Gossling, C, ...
LHCb muon system: Technical Design Report (2001)
Barbosa Marinho, P R., Bediaga, I., Cernicchiaro, G., Franca Barbosa, A., Magnin, J., ...
LHCb muon system: Technical Design Report (2001)
Barbosa Marinho, P R., Bediaga, I., Cernicchiaro, G., Franca Barbosa, A., Magnin, J., ...
LHCb calorimeters : Technical Design Report (2000)
Barbosa Marinho, P R., Bediaga, I., Cernicchiaro, G., Franca Barbosa, A., Magnin, J., ...
LHCb calorimeters : Technical Design Report (2000)
Barbosa Marinho, P R., Bediaga, I., Cernicchiaro, G., Franca Barbosa, A., Magnin, J., ...
The mechanism inserting the target cell of the Hermes experiment (1999)
Carassiti, V, Evangelisti, F, Landi, L, Melchiorri, M, Mussa, R
An automatic winding machine making superconducting coils for the LHC correction magnets (1999)
Carassiti, V, Chiozzi, S, Evangelisti, F, Ferretti, P, Bigoni, S, Bonora, G, ...
Carassiti, V, Gianoli, A, Petrucci, F, Savrié, M, Bigoni, S, Bonora, G, ...
DOUBLE-ELECTRON EXCITATION AT THE Si K-EDGE OF AMORPHOUS SILICON (1987)
Filipponi, A., Evangelisti, F., Bernieri, E., Mobilio, S.
In this paper we report the experimental evidence of a double-electron excitation involving two deep core states in the X-ray absorption coefficient of a solid amorphous system. For the first time a...
DOUBLE-ELECTRON EXCITATION AT THE Si K-EDGE OF AMORPHOUS SILICON (1987)
Filipponi, A., Evangelisti, F., Bernieri, E., Mobilio, S.
In this paper we report the experimental evidence of a double-electron excitation involving two deep core states in the X-ray absorption coefficient of a solid amorphous system. For the first time a...
DOUBLE-ELECTRON EXCITATION AT THE Si K-EDGE OF AMORPHOUS SILICON (1987)
Filipponi, A., Evangelisti, F., Bernieri, E., Mobilio, S.
In this paper we report the experimental evidence of a double-electron excitation involving two deep core states in the X-ray absorption coefficient of a solid amorphous system. For the first time a...
Filipponi, A., Fiorini, P., Evangelisti, F., Balerna, A., Mobilio, S.
a-Si1-xCx : H, a-Si1-xGex : H, a-SiNx : H alloys have been studied at the Si K-edge. Si-Si and Si-A (A being C, N, Ge) bond lengths have been determined as a function of composition. The Si-C...
SPHERICAL WAVE ANALYSIS AND MULTIPLE SCATTERING EFFECTS IN HYDROGENATED AMORPHOUS SILICON (1986)
Balerna, A., Benfatto, M., Mobilio, S., Natoli, C., Filipponi, A., Evangelisti, F.
We have performed a spherical wave analysis of the EXAFS spectra of hydrogenated amorphous silicon in order to detect contributions due to the next nearest neighbor scattering and/or multiple...
STRUCTURAL PROPERTIES OF a-Si AND a-Si : H BY EXAFS (1986)
Filipponi, A., Della Sala, D., Evangelisti, F., Balerna, A., Mobilio, S.
A comparative EXAFS study of the first-shell signals of c-Si, a-Si and a-Si : H is presented. First-neighbour coordination, distance and Debye-Waller factor are reported and discussed.
Filipponi, A., Fiorini, P., Evangelisti, F., Balerna, A., Mobilio, S.
a-Si1-xCx : H, a-Si1-xGex : H, a-SiNx : H alloys have been studied at the Si K-edge. Si-Si and Si-A (A being C, N, Ge) bond lengths have been determined as a function of composition. The Si-C...
SPHERICAL WAVE ANALYSIS AND MULTIPLE SCATTERING EFFECTS IN HYDROGENATED AMORPHOUS SILICON (1986)
Balerna, A., Benfatto, M., Mobilio, S., Natoli, C., Filipponi, A., Evangelisti, F.
We have performed a spherical wave analysis of the EXAFS spectra of hydrogenated amorphous silicon in order to detect contributions due to the next nearest neighbor scattering and/or multiple...
STRUCTURAL PROPERTIES OF a-Si AND a-Si : H BY EXAFS (1986)
Filipponi, A., Della Sala, D., Evangelisti, F., Balerna, A., Mobilio, S.
A comparative EXAFS study of the first-shell signals of c-Si, a-Si and a-Si : H is presented. First-neighbour coordination, distance and Debye-Waller factor are reported and discussed.
Filipponi, A., Fiorini, P., Evangelisti, F., Balerna, A., Mobilio, S.
a-Si1-xCx : H, a-Si1-xGex : H, a-SiNx : H alloys have been studied at the Si K-edge. Si-Si and Si-A (A being C, N, Ge) bond lengths have been determined as a function of composition. The Si-C...
SPHERICAL WAVE ANALYSIS AND MULTIPLE SCATTERING EFFECTS IN HYDROGENATED AMORPHOUS SILICON (1986)
Balerna, A., Benfatto, M., Mobilio, S., Natoli, C., Filipponi, A., Evangelisti, F.
We have performed a spherical wave analysis of the EXAFS spectra of hydrogenated amorphous silicon in order to detect contributions due to the next nearest neighbor scattering and/or multiple...
STRUCTURAL PROPERTIES OF a-Si AND a-Si : H BY EXAFS (1986)
Filipponi, A., Della Sala, D., Evangelisti, F., Balerna, A., Mobilio, S.
A comparative EXAFS study of the first-shell signals of c-Si, a-Si and a-Si : H is presented. First-neighbour coordination, distance and Debye-Waller factor are reported and discussed.
Core Excitons in Amorphous-Semiconductors (1984)
Evangelisti, F., Patella, F., Riedel, R. A., Margaritondo, G., Fiorini, P., Perfetti, P., ...
Photoemission-Studies of Amorphous-Silicon Heterostructures (1984)
Patella, F., Evangelisti, F., Fiorini, P., Perfetti, P., Quaresima, C., Kelly, M. K., ...
PHOTOLUMINESCENCE STUDIES ON a-Si : H : Cl FILMS (1981)
Evangelisti, F., Fiorini, P., Fortunato, G., Frova, A., Bruno, G., Capezzuto, P., ...
We report photoluminescence measurements on a-Si : H : Cl. The spectra show that three different transitions can occur at 0.75, 0.95 and 1.3 eV, their individual presence being dependent on growth...
PHOTOLUMINESCENCE STUDIES ON a-Si : H : Cl FILMS (1981)
Evangelisti, F., Fiorini, P., Fortunato, G., Frova, A., Bruno, G., Capezzuto, P., ...
We report photoluminescence measurements on a-Si : H : Cl. The spectra show that three different transitions can occur at 0.75, 0.95 and 1.3 eV, their individual presence being dependent on growth...
PHOTOLUMINESCENCE STUDIES ON a-Si : H : Cl FILMS (1981)
Evangelisti, F., Fiorini, P., Fortunato, G., Frova, A., Bruno, G., Capezzuto, P., ...
We report photoluminescence measurements on a-Si : H : Cl. The spectra show that three different transitions can occur at 0.75, 0.95 and 1.3 eV, their individual presence being dependent on growth...