Backward-angle photoproduction of eta meson from protons at E_gamma = 1.6 - 2.4 GeV (2009)
Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., ...
Differential cross sections for eta photoproduction off protons have been measured at E_gamma = 1.6 - 2.4 GeV in the backward direction. A bump structure has been observed above 2.0 GeV in the total...
Reduction of the incoherent $\gamma d \to \phi p n$ photoproduction near threshold (2009)
Chang, W. C., Miyabe, M., Nakano, T., Ahn, D. S., Ahn, J. K., Akimune, H., ...
We report measurements of differential cross sections and decay asymmetries of incoherent $\phi$-meson photoproduction from the deuteron at forward angles using linearly-polarized photons at...
Proton decay from the isoscalar giant dipole resonance in $^{58}$Ni (2009)
Hunyadi, M., Hashimoto, H., Li, T., Akimune, H., Fujimura, H., Fujiwara, M., ...
Proton decay from the 3$\hbar\omega$ isoscalar giant dipole resonance (ISGDR) in $^{58}$Ni has been measured using the ($\alpha,\alpha'p$) reaction at a bombarding energy of 386 MeV to investigate...
Near-threshold photoproduction of $\Lambda(1520)$ from protons and deuterons (2009)
Muramatsu, LEPS Collaboration: N., Chen, J. Y., Chang, W. C., Ahn, D. S., Ahn, J. K., Akimune, H., ...
Photoproduction of $\Lambda$(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross...
Direct proton decay of the isoscalar giant dipole resonance in 208Pb (2009)
Nayak, B. K., Garg, U., Koss, M., Li, T., Martis, E., Fujimura, H., ...
The excitation and subsequent proton decay of the isoscalar giant dipole resonance (ISGDR) in $^{208}$Pb have been investigated via the $^{208}$Pb($\alpha, \alpha^{\prime}p)^{207}$Tl reaction at 400...
Evidence of the \Theta^+ in the \gamma d \to K^+K^-pn reaction (2008)
Nakano, T., Muramatsu, N., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., ...
The \gamma d \to K^+K^-pn reaction has been studied to search for the evidence of the \Theta^+ by detecting K^+K^- pairs at forward angles. The Fermi-motion corrected nK^+ invariant mass distribution...
Zegers, R. G. T., Brown, E. F., Akimune, H., Austin, Sam M., Brown, B. A., ...
The Gamow-Teller strength for the transition from the ground state of 13C to the T=1/2, J^pi=3/2- excited state at 3.51 MeV in 13N is extracted via the 13C(3He,t) reaction at 420 MeV. In contrast to...
Li, T., Garg, U., Liu, Y., Marks, R., Nayak, B. K., Rao, P. V. Madhusudhana, ...
We have investigated the isoscalar giant monopole resonance (GMR) in the Sn isotopes, using inelastic scattering of 400-MeV $\alpha$-particles at extremely forward angles, including 0 deg. A value of...
Li, T., Garg, U., Liu, Y., Marks, R., Nayak, B. K., Rao, P. V. Madhusudhana, ...
The strength distributions of the giant monopole resonance (GMR) have been measured in the even-A Sn isotopes (A=112--124) with inelastic scattering of 400-MeV $\alpha$ particles in the angular range...
Backward-angle photoproduction of $\pi^0$ mesons on the proton at $E_\gamma$ = 1.5--2.4 GeV (2007)
Sumihama, M., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., Daté, S., ...
Differential cross sections and photon beam asymmetries for $\pi^0$ photoproduction have been measured at $E_\gamma$ = 1.5--2.4 GeV and at the $\pi^0$ scattering angles, --1 $
On the extraction of weak transition strengths via the (3He,t) reaction at 420 MeV (2007)
Zegers, R. G. T, Adachi, T., Akimune, H., Austin, Sam M., Brown, B. A., ...
Differential cross sections for transitions of known weak strength were measured with the (3He,t) reaction at 420 MeV on targets of 12C, 13C, 18O, 26Mg, 58Ni, 60Ni, 90Zr, 118Sn, 120Sn and 208Pb....
Forward coherent $\phi$-meson photoproduction from deuterons near threshold (2007)
Chang, W. C., Horie, K., Shimizu, S., Miyabe, M., Ahn, D. S., Ahn, J. K., ...
Differential cross sections and decay asymmetries for coherent $\phi$-meson photoproduction from deuterons were measured for the first time at forward angles using linearly polarized photons at...
6th Tours Symposium on Nuclear Physics (2006)
Arnould, M, Lewitowicz, M, Emling, H, Akimune, H, Ohta, M, Utsunomiya, H, ...
De-excitation gamma-rays from the s-hole state in 15N associated with proton decay in 16O (2006)
Kobayashi, K., Akimune, H., Ejiri, H., Fujimura, H., Fujiwara, M., Hara, K., ...
We have measured de-excitation gamma-rays from the s-hole state in 15N produced via the 16O(p,2p)15N reaction in relation to the study of the nucleon decay and the neutrino neutral-current...
Cole, A. L., Akimune, H., Austin, Sam M., Bazin, D., Berg, G. P. A., ...
Electron capture and beta decay play important roles in the evolution of pre-supernovae stars and their eventual core collapse. These rates are normally predicted through shell-model calculations....
Kohri, H., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., ...
Differential cross sections and photon beam asymmetries have been measured for the gamma n -> K+ Sigma- and gamma p -> K+ Sigma0 reactions separately using liquid deuterium and hydrogen targets with...
"Bi-modal"Isoscalar Giant Dipole Strength in $^{58}$Ni (2006)
Uchida, M., Takeda, H., Sakaguchi, H., Rao, P. V. M., Lui, Y., Li, T., ...
"Bi-modal'' Isoscalar Giant Dipole Strength in $^{58}$Ni (2006)
Nayak, B. K., Garg, U., Hedden, M., Koss, M., Li, T., Liu, Y., ...
The strength distribution of the isoscalar giant dipole resonance (ISGDR) in $^{58}$Ni has been obtained over the energy range 10.5--49.5 MeV via extreme forward angle scattering (including...
SUMIHAMA, M, AHN, JK, AKIMUNE, H, ASANO, Y, BENNHOLD, C, CHANG, WC, ...
$2\alpha+t$ cluster structure in $^{11}$B (2005)
Kawabata, T., Akimune, H., Fujita, H., Fujita, Y., Fujiwara, M., Hara, K., ...
The cluster structures of the excited states in $^{11}$B are studied by analyzing the isoscalar monopole and quadrupole strengths in the $^{11}$B($d$,$d'$) reaction at $E_d=200$ MeV. The excitation...
The (t,3He) and (3He,t) reactions as probes of Gamow-Teller strength (2005)
Zegers, R. G. T., Akimune, H., Austin, Sam M., Bazin, D., Berg, G. P. A., ...
Charge-exchange reactions are an important tool for determining weak-interaction rates. They provide stringent tests for nuclear structure models necessary for modeling astrophysical environments...
5th Tours Symposium on Nuclear Physics (2005)
Akimune, H, Arnould, M, Lewitowicz, M, Münzenberg, G, Ohta, M, Utsunomiya, H, ...
4th Tours Symposium on Nuclear Physics (2005)
Akimune, H, Arnould, M, Lewitowicz, M, Oganessian, Yu T, Ohta, M, Utsunomiya, H, ...
Shizuma, T., Utsunomiya, H., Mohr, P., Hayakawa, T., Goko, S., Makinaga, A., ...
Cross sections of the $^{186}$W, $^{187}$Re, $^{188}$Os($\gamma,n$) reactions were measured using quasi-monochromatic photon beams from laser Compton scattering (LCS) with average energies from 7.3...
Diffractive $\phi$-meson photoproduction on proton near threshold (2005)
Mibe, T., Chang, W. C., Nakano, T., Ahn, D. S., Ahn, J. K., Akimune, H., ...
Photoproduction of $\phi$-meson on protons was studied by means of linearly polarized photons at forward angles in the low-energy region from threshold to $E_{\gamma}$= 2.37 GeV. The differential...
phi photo-production from Li, C, Al, and Cu nuclei at Egamma=1.5 - 2.4 GeV (2004)
Ishikawa, T., Ahn, D. S., Ahn, J. K., Akimune, H., Chang, W. C., Date, S., ...
The photo-production of $\phi$ mesons from Li, C, Al, and Cu at forward angles has been measured at $E_gamma$=1.5--2.4 GeV. The number of events for incoherent phi photo-production is found to have a...
Isovector and isoscalar spin-flip M1 strengths in $^{11}$B (2004)
Kawabata, T., Akimune, H., Fujimura, H., Fujita, H., Fujita, Y., Fujiwara, M., ...
The $^{11}$B($^3$He$, t$), $^{11}$B($d, d'$), and $^{11}$B($p, p'$) reactions were measured at forward scattering angles including $0^\circ$ to study the isovector and isoscalar spin-flip M1...
Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., ...
Beam polarization asymmetries for the p(gamma,K+)Lambda and p(gamma,K+)sigma0 reactions are measured for the first time for Egamma=1.5-2.4 GeV and 0.6
Kawabata, T., Akimune, H., Berg, G. P. A., Fujimura, H., Fujita, H., Fujita, Y., ...
Cross sections and polarization transfer observables in the $^{16}$O$(p,p')$ reactions at 392 MeV were measured at several angles between $\theta_{lab}=$ 0$^\circ$ and 14$^\circ$. The non-spin-flip...
Neutron-skin thickness from excitation of spin-dipole resonance. (2002)
CSATLOS, M, KRASZNAHORKAY, A, VAN DEN BERG, AM, HARAKEH, MN, VAN DER WERF, SY, Hagemann, Markus, ...
The Isoscalar Giant Dipole Resonance in 208Pb and the Nuclear incompressibility (2001)
Hedden, M., Garg, U., Kharraja, B., Zhu, S., Uchida, M., Sakaguchi, H., ...
The isoscalar giant dipole resonance (ISGDR) has been investigated in 208Pb using inelastic scattering of 400 MeV alpha particles at forward angles, including 0deg. Using the superior capabilities of...
Collective and single-particle states at high excitation energy (2001)
Van Den Berg, A-M., Akimune, H., Daito, I., Fujimura, H., Fujiwara, M., Fujita, Y., ...
Akimune, H., Van Den Berg, A.M., Daito, I., Fujimura, H., Fujita, Y., ...
Decay via proton emission of isobaric analog states (IAS's) in $^{91}{Nb}$ was studied using the $^{90}{Zr}(\alpha,t)$ reaction at $E_\alpha$=180 MeV. This study provides information about the...
Collective and single-particle states at high excitation energy (2001)
Van Den Berg, A-M., Akimune, H., Daito, I., Fujimura, H., Fujiwara, M., Fujita, Y., ...
Akimune, H., Van Den Berg, A.M., Daito, I., Fujimura, H., Fujita, Y., ...
Decay via proton emission of isobaric analog states (IAS's) in $^{91}{Nb}$ was studied using the $^{90}{Zr}(\alpha,t)$ reaction at $E_\alpha$=180 MeV. This study provides information about the...
A new method to measure the neutron skin. (2001)
CSATLOS, M, KRASZNAHORKAY, A, VAN DEN BERG, AM, HARAKEH, MN, VAN DER WERF, SY, Hagemann, Markus, ...
Dipole Excitation of alpha Clusters in 6Li and 7Li (2001)
Akimune, H., Daito, I., Fujimura, H., Nakayama, S., Yamagata, T.
Thin Ice Target for $^{16}$O(p,p') experiment (2000)
Kawabata, T., Akimune, H., Fujimura, H., Fujita, H., Fujita, Y., Fujiwara, M., ...
A windowless and self-supporting ice target is described. An ice sheet with a thickness of 29.7 mg/cm$^2$ cooled by liquid nitrogen was placed at the target position of a magnetic spectrometer and...
Structure of isobaric analog states in 91Nb populated by the 90Zr(a,t) reaction (2000)
Akimune, H., Daito, I., Fujimura, H., Fujita, Y., ...
Decay via proton emission of isobaric analog states (IAS's) in $^{91}{Nb}$ was studied using the $^{90}{Zr}(\alpha,t)$ reaction at $E_\alpha$=180 MeV. This study provides information about the...
Fujiwara, M., Akimune, H., Cribier, M., Daito, I., Ejiri, H., ...
Discrete Gamow-Teller (GT) transitions, 176Yb-->176Lu at low excitation energies have been measured via the (3He,t) reaction at 450 MeV and at 0 degrees. For 176Yb, two low-lying states are observed,...
Reaction mechanism of `6Li scattering at 600 MeV. (2000)
Schwarz, K., Samanta, C., Fujiwara, M., Rebel, H., De Leo, R., Matsuoka, N., ...
European Journal of Physics A, 7(2000) S.367-75
Isospin and spin-isospin modes in charge-exchange reactions (1999)
Harakeh, M.N., Akimune, H., Van Den Berg, A.M., Brandenbourg, S., Fugiwara, M., Laurent, H., ...
Isospin and spin-isospin modes in charge-exchange reactions (1999)
Harakeh, M.N., Akimune, H., Van Den Berg, A.M., Brandenbourg, S., Fugiwara, M., Laurent, H., ...
Reaction mechanism of `6Li scattering at 600 MeV. (1999)
Schwarz, K., Samanta, C., Fujiwara, M., Rebel, H., De Leo, R., Matsuoka, N., ...
Spring Meeting of the Japanese Physical Society, Hiroshima, J, March 28-31, 1999
Reaction mechanism of `6Li scattering at 600 MeV. (1999)
Schwarz, K., Samanta, C., Fujiwara, M., Rebel, H., De Leo, R., Matsuoka, N., ...
Frühjahrstagung des Fachverbandes Hadronen und Kerne der DPG, Freiburg, 22.-26.März 1999
Projectile breakup effects on the 0.1A GeV `6Li elastic scattering. (1998)
Samanta, C., Schwarz, K., Fujiwara, M., Rebel, H., De Leo, R., Matsuoka, N., ...
Internat.Nuclear Physic Conf. (INPC), Paris, F, August 24-28, 1998
Samanta, C., Schwarz, K., Fujiwara, M., Rebel, H., Deleo, R., Matsuoka, N., ...
Internat.Workshop on Physics with Radioactive Nuclear Beams, Puri, IND, January 12-17, 1998
Reaction mechanism of `6Li breakup at intermediate energies. (1998)
Schwarz, K., Samanta, C., Fujiwara, M., Rebel, H., De Leo, R., Matsuoka, N., ...
RCNP Annual Report 1997
Study of `6Li breakup reaction at 100 MeV/A. (1997)
Samanta, C., Schwarz, K., Fujiwara, M., Rebel, H., Deleo, R., Matsuoka, N., ...
Autumn-Meeting of the Japanese Physical Society, Tokyo, J, September 20-23, 1997
Study of `6Li breakup reaction at 600 MeV. (1997)
Samanta, C., Schwarz, K., Fujiwara, M., Rebel, H., Deleo, R., Matsuoka, N., ...
DAE-Symp.on Nuclear Physics, Bangalore, IND, December 26-30, 1997
Spin-isospin excitations in nuclei via (3He,t) reactions at 450 MeV (1994)
Fujiwara, M., Akimune, H., Daito, I., Ejiri, H., Fujita, Y., Greenfield, M. B., ...
Spin-isospin excitations in nuclei have been studied by means of the (3He,t) reactions at 450 MeV. The Gamow-Teller (GT) resonances are found to be strongly excited. A fine structure of the giant...
The reaction: A means to study the microscopic structure of spin-isospin modes (1994)
Harakeh, M. N., Akimune, H., Daito, I., Fujita, Y., Fujiwara, M., Greenfield, M. B., ...
The microscopic structure of both the Gamow-Teller resonance (GTR) at E[chi] = 15.6 MeV and the spin-flip [Delta]L=1 resonances at higher excitation energies in 208Bi has been investigated by...
Microscopic structure of the Gamow-Teller resonance in 208Bi (1994)
Akimune, H., Daito, I., Fujita, Y., Fujiwara, M., Greenfield, M. B., Harakeh, M. N., ...
The microscopic structure of the Gamow-Teller resonance at Ex = 15.6 MeV in 208Bi has been investigated by observing its direct proton decay to the neutron-hole states in 207Pb following its...
(3He,t) Charge-Exchange Reactions at E(3He) = 450 MeV, [theta] = 0[deg] (1994)
Akimune, H., Daito, I., Fujita, Y., Fujiwara, M., Greenfield, M. B., Harakeh, M. N., ...
Spin-isospin excitations in nuclei have been studied by means of the (3He,t) reactions at 450 MeV on the targets 9Be, natC, 28Si, 58Ni, 62Ni, 90Zr, 118Sn, 120Sn, 124Sn, and 154Sm. The new...
Microscopic structure of the Gamow-Teller resonance in 208Bi (1994)
Akimune, H., Daito, I., Fujita, Y., Fujiwara, M., Greenfield, M. B., Harakeh, M. N., ...
The 208Pb(3He,t)208Bi reaction has been studied with the RCNP ring cyclotron at E(3He) = 450 MeV using the magnetic spectrometer Grand Raiden at [theta] = 0[deg]. The Gamow-Teller resonance is...
Davis, B. F., Akimune, H., Bacher, A., Berg, G. P. A., Fujiwara, M., Garg, U., ...
The isoscalar giant dipole resonance (ISGDR) in 208Pb has been investigated using inelastic scattering of 200 MeV [alpha] particles at and near 0[deg] where the angular distribution of the ISGDR can...
Evidence for the Isoscalar Giant Dipole Resonance in 208-Pb (1994)
Davis, B.F., Reviol, W., Garg, U., Bacher, A.D., Berg, G.P.A., Foster, C.C., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Evidence for the Isoscalar Giant Dipole Resonance in 208-Pb (1994)
Davis, B.F., Reviol, W., Garg, U., Bacher, A.D., Berg, G.P.A., Foster, C.C., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Looking for the Isoscalar Giant Dipole Resonance in Inelastic α Scattering at and Near 0˚ (1993)
Davis, B.F., Garg, U., Reviol, W., Bacher, A., Berg, G.P.A., Stephenson, E.J., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Fragmentation of Gamow-Teller Strength Observed in Charge Exchange on Targets of 112,124-Sn (1993)
Akimune, H., Fujiwara, M., Berg, G.P.A., Chang, S., Liu, J., Stephenson, E.J., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Akimune, H., Berg, G.P.A., Chang, S., Liu, J., Stephenson, E.J., Davis, B., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Looking for the Isoscalar Giant Dipole Resonance in Inelastic α Scattering at and Near 0˚ (1993)
Davis, B.F., Garg, U., Reviol, W., Bacher, A., Berg, G.P.A., Stephenson, E.J., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Fragmentation of Gamow-Teller Strength Observed in Charge Exchange on Targets of 112,124-Sn (1993)
Akimune, H., Fujiwara, M., Berg, G.P.A., Chang, S., Liu, J., Stephenson, E.J., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Akimune, H., Berg, G.P.A., Chang, S., Liu, J., Stephenson, E.J., Davis, B., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783