NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = H.Ejiri Found 221 matches. Showing 1 to 100. [Next]2023EJ01 Phys.Rev. C 108, L011302 (2023) Electromagnetic transitions from isobaric analog states to study nuclear matrix elements for neutrinoless ββ decays and astro-neutrino inverse β decays NUCLEAR STRUCTURE 71Ga, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd; calculated M1 and E1 widths for transitions from the isobaric analog states (IASs), B(GT). Discussed the possibilities of experimental studies of 0νββ-decays (DBDs) and astroneutrino inverse β-decays (IBDs).
doi: 10.1103/PhysRevC.108.L011302
2023HA26 Phys.Rev. C 108, 014618 (2023) I.H.Hashim, N.N.A.M.A.Ghani, F.Othman, R.Razali, Z.W.Ng, H.Ejiri, T.Shima, D.Tomono, D.Zinatulina, M.Schirchenko, S.Kazartsev, A.Sato, Y.Kawashima, K.Ninomiya, K.Takahisa Measurements of ordinary muon capture rates on 100Mo and natural Mo for astro-antineutrinos and double-β decays NUCLEAR REACTIONS Mo, 100Mo(μ-, X), E at 45-55 MeV/c; measured Eγ, Iγ, muonic X-rays; deduced ordinary muon capture on natural Mo and 100Mo, muon absolute lifetimes. Comparison to previous experimental data and to the theoretical results obtained with Goulard-Primakoff empirical equations. Discussed relevance to astro-antineutrinos and double-β-decay studies. Negative muon beam generated in the MuSIC facility via proton-graphite interactions at Osaka University's Research Centre for Nuclear Physics (RCNP). Gamma-rays and muonic x-rays measured with 1 planar-type and two coaxial end-type HPGe detectors.
doi: 10.1103/PhysRevC.108.014618
2022BA17 Phys.Rev.Lett. 128, 232501 (2022) V.V.Barinov, B.T.Cleveland, S.N.Danshin, H.Ejiri, S.R.Elliott, D.Frekers, V.N.Gavrin, V.V.Gorbachev, D.S.Gorbunov, W.C.Haxton, T.V.Ibragimova, I.Kim, Y.P.Kozlova, L.V.Kravchuk, V.V.Kuzminov, B.K.Lubsandorzhiev, Y.M.Malyshkin, R.Massarczyk, V.A.Matveev, I.N.Mirmov, J.S.Nico, A.L.Petelin, R.G.H.Robertson, D.Sinclair, A.A.Shikhin, V.A.Tarasov, G.V.Trubnikov, E.P.Veretenkin, J.F.Wilkerson, A.I.Zvir Results from the Baksan Experiment on Sterile Transitions (BEST) NUCLEAR REACTIONS 71Ga(ν, e-), E<1 MeV; measured reaction products, Eβ, Iβ; deduced the deficit of electron neutrinos observed in gallium-based radiochemical measurements with high-intensity neutrino sources, commonly referred to as the gallium anomaly. The Baksan Experiment on Sterile Transitions (BEST).
doi: 10.1103/PhysRevLett.128.232501
2022BA21 Phys.Rev. C 105, 065502 (2022) V.V.Barinov, S.N.Danshin, V.N.Gavrin, V.V.Gorbachev, D.S.Gorbunov, T.V.Ibragimova, Yu.P.Kozlova, L.V.Kravchuk, V.V.Kuzminov, B.K.Lubsandorzhiev, Yu.M.Malyshkin, I.N.Mirmov, A.A.Shikhin, E.P.Veretenkin, B.T.Cleveland, H.Ejiri, S.R.Elliott, I.Kim, R.Massarczyk, D.Frekers, W.C.Haxton, V.A.Matveev, G.V.Trubnikov, J.S.Nico, A.L.Petelin, V.A.Tarasov, A.I.Zvir, R.G.H.Robertson, D.Sinclair, J.F.Wilkerson Search for electron-neutrino transitions to sterile states in the BEST experiment NUCLEAR REACTIONS 71Ga(ν, e-), E<1 MeV; measured reaction products, Eb, Iβ; deduced 71Ge yields, deficit of electron neutrinos observed in gallium-based radiochemical measurements with high-intensity neutrino sources, commonly referred as "the gallium anomaly". The Baksan Experiment on Sterile Transitions (BEST). Neutrinos from decay of the 51Cr decay. RADIOACTIVITY 51Cr(EC); measured Eγ, Iγ, calorimetric heat; deduced T1/2.
doi: 10.1103/PhysRevC.105.065502
2022EJ01 Phys.Rev. C 105, L022501 (2022) H.Ejiri, L.Jokiniemi, J.Suhonen Nuclear matrix elements for neutrinoless ββ decays and spin-dipole giant resonances RADIOACTIVITY 76Ge, 96Zr, 100Mo, 116Cd, 128Cd, 130Te, 130Xe(2β-); calculated neutrinoless double-beta decay nuclear matrix elements. Proton-neutron quasiparticle random-phase approximation (pnQRPA) model. Discused the relation relation between the experimental spin-dipole strength distribution and nuclear matrix elements obtained with pnQRPA.
doi: 10.1103/PhysRevC.105.L022501
2022EJ02 Universe 8, 457 (2022) Single- and Double-Charge Exchange Reactions and Nuclear Matrix Element for Double-Beta Decay RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 128,130Te, 136Xe(2β-); calculated spin-dipole (SD) strengths and reduction coefficients for the low-lying quasi-particle (QP) states by single-charge exchange reactions (SCERs) on double-beta decay (DBD) nuclei; deduced SD and Gamow-Teller-SD nuclear matrix elements (NMEs). 56Fe; calculated Gamow-Teller SD strength and the reduction coefficient for the QP states by double-charge exchange reactions (DCER). Discussed impact of the SCER- and DCER-NMEs on the double-beta decay (DBD) NMEs. NUCLEAR REACTIONS 76Ge(3He, t)76As*, E(*)<10 MeV; 13C, (11B, 11Li)13O*, E*<20 MeV; 56Fe, (11B, 11Li)56Ni*, E*<25 MeV; calculated energy spectra of the single- and double-charge exchange reactions (SCER and DCERs). Relevance of the SCER- and DCER-NMEs on the double-beta decay (DBD) nuclear matrix elements (NMEs).
doi: 10.3390/universe8090457
2021EJ01 Few-Body Systems 62, 60 (2021) Delta Isobar Effects in Double Beta Decays NUCLEAR REACTIONS 100Mo(3He, t), E not given; analyzed available data; deduced axial-vector Nuclear matrix elements (NMEs) are quenched with respect to the QRPA and other model NMEs due to non-nucleonic effects.
doi: 10.1007/s00601-021-01646-9
2020AK06 J.Phys.(London) G47, 05LT01 (2020) H.Akimune, H.Ejiri, F.Hattori, C.Agodi, M.Alanssari, F.Cappuzzello, D.Carbone, M.Cavallaro, G.Colo, F.Diel, C.A.Douma, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, G.Gey, M.N.Harakeh, K.Hatanaka, K.Heguri, M.Holl, A.Inoue, N.Kalantar-Nayestanaki, Y.F.Niu, P.Puppe, P.C.Ries, A.Tamii, V.Werner, K.Zuber Spin-dipole nuclear matrix element for the double beta decay of 76Ge by the (3He, t) charge-exchange reaction NUCLEAR REACTIONS 74,76Ge(3He, t), E=420 MeV; measured reaction products; deduced yields, σ(θ), spin-dipole nuclear matrix elements, neutrinoless double-beta decay nuclear matrix elements.
doi: 10.1088/1361-6471/ab7a87
2020DO06 Eur.Phys.J. A 56, 51 (2020) C.A.Douma, C.Agodi, H.Akimune, M.Alanssari, F.Cappuzzello, D.Carbone, M.Cavallaro, G.Colo, F.Diel, H.Ejiri, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, G.Gey, M.N.Harakeh, K.Hatanaka, F.Hattori, K.Heguri, M.Holl, A.Inoue, N.Kalantar-Nayestanaki, Y.F.Niu, P.Puppe, P.C.Ries, A.Tamii, V.Werner, R.G.T.Zegers, K.Zuber Gamow-Teller strength distributions of 116Sb and 122Sb using the (3He, t) charge-exchange reaction
doi: 10.1140/epja/s10050-020-00044-9
2020EJ01 Universe 6, 225 (2020) Neutrino-Mass Sensitivity and Nuclear Matrix Element for Neutrinoless Double Beta Decay
doi: 10.3390/universe6120225
2020HA10 Nucl.Instrum.Methods Phys.Res. A963, 163749 (2020) I.H.Hashim, H.Ejiri, F.Othman, F.Ibrahim, F.Soberi, N.N.A.M.A.Ghani, T.Shima, A.Sato, K.Ninomiya Nuclear isotope production by ordinary muon capture reaction NUCLEAR REACTIONS Mo(μ, X)99Mo/99Tc, E low; measured reaction products, Eγ, Iγ; deduced yields. Comparison with a pre-equilibrium and equilibrium proton neutron emission model.
doi: 10.1016/j.nima.2020.163749
2019EJ01 J.Phys.(London) G46, 025104 (2019) Neutron disappearance inside the nucleus RADIOACTIVITY 2H, 9,11Be, 15C(n); analyzed available data; deduced expected widths for neutron decay into a dark matter particle inside a nucleus.
doi: 10.1088/1361-6471/aaf55b
2019EJ02 Phys.Rep. 797, 1 (2019) Neutrino-nuclear responses for astro-neutrinos, single beta decays and double beta decays
doi: 10.1016/j.physrep.2018.12.001
2019JO04 Phys.Lett. B 794, 143 (2019) L.Jokiniemi, J.Suhonen, H.Ejiri, I.H.Hashim Pinning down the strength function for ordinary muon capture on 100Mo NUCLEAR REACTIONS 100Mo(μ-, X)100Nb, E not given; analyzed available data; calculated ordinary muon capture (OMC) strength function using the Morita-Fujii formalism of OMC by extending the original formalism beyond the leading order.
doi: 10.1016/j.physletb.2019.05.037
2018HA03 Phys.Rev. C 97, 014617 (2018) I.H.Hashim, H.Ejiri, T.Shima, K.Takahisa, A.Sato, Y.Kuno, K.Ninomiya, N.Kawamura, Y.Miyake Muon capture reaction on 100Mo to study the nuclear response for double-β decay and neutrinos of astrophysics origin NUCLEAR REACTIONS 100Mo(μ, xn)93Nb/94Nb/95Nb/96Nb/97Nb/98Nb/99Nb/100Nb/99mTc/99Mo, at p=28 MeV/c from J-PARC Material Life Science Facility (MLF); measured Eγ, Iγ, mass distribution of radioactive isotopes for ordinary muon captures (OMCs); deduced OMC strength distribution as function of excitation energy and giant resonance (GR) at about 1114 MeV. Relevance to nuclear matrix elements (NMEs) for 0νββ decays and astro-antineutrinos.
doi: 10.1103/PhysRevC.97.014617
2018JO05 Phys.Rev. C 98, 024608 (2018) L.Jokiniemi, H.Ejiri, D.Frekers, J.Suhonen Neutrinoless ββ nuclear matrix elements using isovector spin-dipole Jπ = 2- data RADIOACTIVITY 76Ge, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe(2β-); calculated nuclear matrix elements 0νββ and 2νββ decay modes using realistic two-body interactions with either Woods-Saxon bases or modified Woods-Saxon bases. Comparison with previous theoretical predictions. 76Ge, 76Se, 96Zr, 96,100Mo, 100Ru, 116Cd, 116Sn, 128,130Te, 128,130,136Xe, 136Ba; calculated neutron and proton pairing gaps, 2- isovector spin-dipole resonance and 1+ Gamow-Teller giant resonance data, isovector spin-dipole 2- strength functions.
doi: 10.1103/PhysRevC.98.024608
2017EJ01 J.Phys.(London) G44, 065101 (2017) K-hindered beta and gamma transition rates in deformed nuclei and the halflife of 180Tam RADIOACTIVITY 180Ta(β-); analyzed available data; deduced γ-ray transition rates and T1/2, nuclear matrix elements.
doi: 10.1088/1361-6471/aa65f0
2017EJ02 Phys.Rev. C 95, 055501 (2017) Solar neutrino interactions with the double-β decay nuclei 82Se, 100Mo, and 150Nd NUCLEAR REACTIONS 82Se, 100Mo, 150Nd, 76Ge, 130Te, 136Xe(ν, X), E=solar neutrinos; calculated solar-neutrino capture rates, including the effect of oscillations; evaluated background rates for calorimetric detectors in experiments for detecting 0νββ and 2νββ decay modes. RADIOACTIVITY 82Br, 100Tc, 150Pm(β-); calculated sum spectra of β and γ-ray energies for the intermediate nuclei in ββ decays of 82Se, 100Mo and 150Nd.
doi: 10.1103/PhysRevC.95.055501
2017EJ03 J.Phys.(London) G44, 115201 (2017) Fermi surface quasi particle model nuclear matrix elements for two neutrino double beta decays RADIOACTIVITY 78Kr, 106Cd, 130Ba, 110Pd(2EC); analyzed available data; deduced nuclear matrix elements for two neutrino double beta decays using the Fermi surface quasi particle model (FSQP).
doi: 10.1088/1361-6471/aa8a1f
2017FR02 Phys.Rev. C 95, 034619 (2017) D.Frekers, M.Alanssari, H.Ejiri, M.Holl, A.Poves, J.Suhonen Charge-exchange reactions on double-β decaying nuclei populating Jπ = 2- states NUCLEAR REACTIONS 76Ge, 82Se, 96Zr, 100Mo, 128,130Te, 136Xe(3He, t), E=420 MeV; measured E(t), I(t), σ(θ) using Grand Raiden spectrometer at RCNP-Osaka. 76As, 82Br, 96Nb, 100Tc, 128,130I, 136Cs; deduced levels, L-transfers by distorted-wave (DW) analysis of σ(θ) distributions, J, π, relative M2 transition strengths. 76Ge, 82Se, 96Zr, 100Mo, 128,130Te, 136Xe; calculated shell-model occupancies near the Fermi surface for ββ-decaying nuclei using the Interacting shell model (ISM). Comparison of transition strengths with microscopic shell model, QRPA, and semimicroscopic FSQP calculations.
doi: 10.1103/PhysRevC.95.034619
2016EJ02 J.Phys.(London) G43, 11LT01 (2016) Spin dipole nuclear matrix elements for double beta decay nuclei by charge-exchange reactions RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 128,130Te, 136Xe(2β-); analyzed experimental data on (3He, t) charge-exchange reactions; deduced spin dipole strengths and matrix elements for double beta-decay using experimental Gamow-Teller and Fermi strengths.
doi: 10.1088/0954-3899/43/11/11LT01
2016FR06 Phys.Rev. C 94, 014614 (2016) D.Frekers, M.Alanssari, T.Adachi, B.T.Cleveland, M.Dozono, H.Ejiri, S.R.Elliott, H.Fujita, Y.Fujita, M.Fujiwara, K.Hatanaka, M.Holl, D.Ishikawa, H.Matsubara, H.Okamura, P.Puppe, K.Suda, A.Tamii, J.Thies, H.P.Yoshida High energy-resolution measurement of the 82Se(3He, t)82Br reaction for double-beta decay and for solar neutrinos NUCLEAR REACTIONS 82Se(3He, t), E=420 MeV; measured E(t), I(t), σ(θ) using Grand Raiden Spectrometer at RCNP-Osaka cyclotron facility. 82Br; deduced levels, J, π, L-transfer, IAS, 1+ states, Gamow-Teller resonance (GTR), Gamow-Teller strengths B(GT). Distorted-wave (DW) calculations to analyze σ(θ) distributions. 80Se; discussed implications for 2νββ and 0νββ decay modes, possible detector of solar neutrinos; calculated solar neutrino capture rates on 82Se as a function of excitation energy in 82Br from B(GT) values.
doi: 10.1103/PhysRevC.94.014614
2016VE07 Int.J.Mod.Phys. E25, 1630007 (2016) J.D.Vergados, H.Ejiri, F.Simkovic Neutrinoless double beta decay and neutrino mass RADIOACTIVITY 76Ge, 82Se, 100Mo, 116Cd, 130Te, 136Xe, 150Nd(2β-); calculated neutrino mass sensitivities, nuclear matrix elements.
doi: 10.1142/S0218301316300071
2015FR02 Phys.Rev. C 91, 034608 (2015); Erratum Phys.Rev. C 100, 049901 (2019) D.Frekers, T.Adachi, H.Akimune, M.Alanssari, B.A.Brown, B.T.Cleveland, H.Ejiri, H.Fujita, Y.Fujita, M.Fujiwara, V.N.Gavrin, M.N.Harakeh, K.Hatanaka, M.Holl, C.Iwamoto, A.Lennarz, A.Okamoto, H.Okamura, T.Suzuki, A.Tamii Precision evaluation of the 71Ga (νe, e-) solar neutrino capture rate from the (3He, t) charge-exchange reaction NUCLEAR REACTIONS 71Ga(3He, t)71Ge, E=420 MeV; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP-Osaka facility. 71Ge; deduced levels, J, π, IAS, Gamow-Teller B(GT) transition strengths from analysis based on theoretical form factors and one-body transition densities from the shell-model code NUSHELLX with the GXPF1a interaction in full fp-model space. DWBA analysis of σ(θ) data. 71Ga(ν, e-); deduced solar neutrino capture rates as function of excitation energy in 71Ge from B(GT) values.
doi: 10.1103/PhysRevC.91.034608
2014EJ01 Phys.Lett. B 729, 27 (2014) H.Ejiri, N.Soukouti, J.Suhonen Spin-dipole nuclear matrix elements for double beta decays and astro-neutrinos RADIOACTIVITY 72,74As, 84,86Rb, 122Sb, 124,126I, 132La(β+), 74,76,78As, 84Br, 84,86,88Rb, 92,94Y, 122Sb, 126I(β-); calculated spin-dipole and quasi-particle nuclear matrix elements. QRPA, comparison with available data.
doi: 10.1016/j.physletb.2013.12.051
2014EJ02 Phys.Rev. C 89, 055501 (2014) Charged current neutrino cross section for solar neutrinos, and background to ββ- experiments NUCLEAR REACTIONS 76Ge, 100Mo, 130Te, 136Xe(ν, e-), E=solar neutrinos; calculated capture rates for charge-current (CC) interactions for ββ emitters; estimated contribution to background in double-beta decay and dark matter experiments from β- decays of 76As, 130I and 136Cs produced in neutrino capture.
doi: 10.1103/PhysRevC.89.055501
2013EJ01 J.Phys.Soc.Jpn. 82, 044202 (2013) H.Ejiri, I.H.Hashim, Y.Hino, Y.Kuno, Y.Matsumoto, K.Ninomiya, H.Sakamoto, A.Sato, T.Shima, A.Shinohara, K.Takahisa, N.H.Tran Nuclear γ Rays from Stopped Muon Capture Reactions for Nuclear Isotope Detection NUCLEAR REACTIONS 54Fe(μ, 2n), 56Fe, 65Cu, 90,92Zr, 99Tc, 109Ag, 187Re, 197Au, 233U, 239,240Pu(μ, X), 128Te, 235U(μ, n), E not given; calculated Eγ, Iγ; deduced yields. Muon capture isotope detection (MuCID).
doi: 10.7566/JPSJ.82.044202
2013EJ03 Phys.Rev. C 88, 054610 (2013) H.Ejiri, A.I.Titov, M.Boswell, A.Young Neutrino-nuclear response and photonuclear reactions NUCLEAR REACTIONS 76Se, 100Mo(polarized γ, n), E in MeV to GeV region; calculated angular distribution of neutrons emitted from 1-, 2+, 1+ and 2- photonuclear excitations. Use of electromagnetic (EM) matrix element to evaluate the single β+ (weak) matrix element associated with the 0νββ matrix element through IAS and non-IAS states. Discussed current and planned experimental facilities for such experiments.
doi: 10.1103/PhysRevC.88.054610
2013FR13 Phys.Lett. B 722, 233 (2013) D.Frekers, M.C.Simon, C.Andreoiu, J.C.Bale, M.Brodeur, T.Brunner, A.Chaudhuri, U.Chowdhury, J.R.C.Lopez-Urrutia, P.Delheij, H.Ejiri, S.Ettenauer, A.T.Gallant, V.Gavrin, A.Grossheim, M.N.Harakeh, F.Jang, A.A.Kwiatkowski, J.Lassen, A.Lennarz, M.Luichtl, T.Ma, T.D.Macdonald, E.Mane, D.Robertson, B.E.Schultz, V.V.Simon, A.Teigelhofer, J.Dilling Penning-trap Q-value determination of the 71Ga(ν, e-)71Ge reaction using threshold charge breeding of on-line produced isotopes ATOMIC MASSES 71Ga, 71Ge; measured TOF, TOF-ICR, ion cyclotron resonance spectra; deduced Q-value and its uncertainty. TITAN Penning trap at ISAC/TRIUMF, comparison with AME data.
doi: 10.1016/j.physletb.2013.04.019
2013FR14 Nucl.Phys. A916, 219 (2013) D.Frekers, P.Puppe, J.H.Thies, H.Ejiri Gamow-Teller strength extraction from (3He, t) reactions NUCLEAR REACTIONS 48Ca(3He, t), E*=6.677 MeV;76Ge(3He, t), E*=8.308 MeV;128Te(3He, t), E*=11.948 MeV; calculated σ(θ) using DWBA70, DW81 and ACCBA codes; deduced scaling factor, IAS scaling factor. 71Ga, 76Ge, 82Se, 90,92,96Zr, 100Mo, 128,130Te, 136Xe; calculated σ(q=0) for IAS excitation in (3He, t) reactions, Gamow-Teller strength B(GT). Compared with available relevant data, also for (t, 3He), (d, 2He) and (p, n) reactions.
doi: 10.1016/j.nuclphysa.2013.08.006
2013SZ04 Nucl.Instrum.Methods Phys.Res. A729, 41 (2013) B.Szpunar, C.Rangacharyulu, S.Date, H.Ejiri Estimate of production of medical isotopes by photo-neutron reaction at the Canadian Light Source NUCLEAR REACTIONS 197Au, 193Ir, 100Mo(γ, n), E<35 MeV; calculated σ. FLUKA code, comparison with experimental data.
doi: 10.1016/j.nima.2013.06.106
2012EJ01 J.Phys.Soc.Jpn. 81, 033201 (2012) Nuclear Matrix Element for Two Neutrino Double Beta Decay from 136Xe RADIOACTIVITY 136Xe(2β-); calculated nuclear matrix element for the two neutrino mode. Fermi surface quasi particle model (FSQP). Comparison with experimental data.
doi: 10.1143/JPSJ.81.033201
2012PU02 Phys.Rev. C 86, 044603 (2012) P.Puppe, A.Lennarz, T.Adachi, H.Akimune, H.Ejiri, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, E.Ganioglu, E.-W.Grewe, K.Hatanaka, R.Hodak, C.Iwamoto, N.T.Khai, A.Okamoto, H.Okamura, P.P.Povinec, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, M.Yosoi High resolution (3He, t)experiment on the double-β decaying nuclei 128Te and 130Te NUCLEAR REACTIONS 128,130Te(3He, t), E=420 MeV; measured triton spectra, σ(θ) using Grand Raiden magnetic spectrometer at RCNP facility. 128,130I; deduced levels, J, π, IAS, B(GT). DWBA analysis. Discussed impact on ββ decay matrix elements for 128,130Te.
doi: 10.1103/PhysRevC.86.044603
2012TH06 Phys.Rev. C 86, 014304 (2012) J.H.Thies, D.Frekers, T.Adachi, M.Dozono, H.Ejiri, H.Fujita, Y.Fujita, M.Fujiwara, E.-W.Grewe, K.Hatanaka, P.Heinrichs, D.Ishikawa, N.T.Khai, A.Lennarz, H.Matsubara, H.Okamura, Y.Y.Oo, P.Puppe, T.Ruhe, K.Suda, A.Tamii, H.P.Yoshida, R.G.T.Zegers The (3He, t) reaction on 76Ge, and the double-β-decay matrix element NUCLEAR REACTIONS 76Ge(3He, t)76As, E=420 MeV; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP facility. 76As; deduced levels, L-transfers, J, π, IAS, GT resonance (GTR) and the spin-dipole resonance (SDR), B(GT) values. DWBA analysis of Σ(θ) data. Comparison of B(GT)- distributions with B(GT)+ from 76Se(d, 2He)76As reaction. Discussed impact on double-beta decay matrix elements for 76Ge decay. RADIOACTIVITY 76Ge(2β-); analyzed double beta-decay matrix elements.
doi: 10.1103/PhysRevC.86.014304
2012TH08 Phys.Rev. C 86, 044309 (2012) J.H.Thies, T.Adachi, M.Dozono, H.Ejiri, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, E.-W.Grewe, K.Hatanaka, P.Heinrichs, D.Ishikawa, N.T.Khai, A.Lennarz, H.Matsubara, H.Okamura, Y.Y.Oo, P.Puppe, T.Ruhe, K.Suda, A.Tamii, H.P.Yoshida, R.G.T.Zegers High-resolution 100Mo(3He, t)100Tc charge-exchange experiment and the impact on double-β decays and neutrino charged-current reactions NUCLEAR REACTIONS 100Mo(3He, t), E=420 MeV; measured triton spectra, σ(θ) at RCNP facility. 100Tc; deduced levels, IAS, J, π, B(GT). Discussed impact on the matrix elements for 2νββ decay. DWBA analysis.
doi: 10.1103/PhysRevC.86.044309
2012TH12 Phys.Rev. C 86, 054323 (2012) J.H.Thies, P.Puppe, T.Adachi, M.Dozono, H.Ejiri, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, E.-W.Grewe, K.Hatanaka, P.Heinrichs, D.Ishikawa, N.T.Khai, A.Lennarz, H.Matsubara, H.Okamura, Y.Y.Oo, T.Ruhe, K.Suda, A.Tamii, H.P.Yoshida, R.G.T.Zegers High-resolution 96Zr(3He, t) experiment and the matrix element for double-β decay NUCLEAR REACTIONS 90,92,96Zr(3He, t), E=420 MeV; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP facility. 90,92,96Nb; deduced levels, IAS, L-transfers, J, π, B(GT), nuclear matrix element for 2νββ decay of 96Zr. 91,94Zr(3He, t), E=420 MeV; measured triton spectrum; deduced IAS in 91,94Nb. Comparison with shell model calculations, and with previous study of 96Mo(d, 2He)96Nb reaction.
doi: 10.1103/PhysRevC.86.054323
2012VE07 Rep.Prog.Phys. 75, 103601 (2012) J.D.Vergados, H.Ejiri, F.Simkovic Theory of neutrinoless double-beta decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 136Xe, 150Nd(2β-); calculated nuclear matrix elements. Comparison with available data.
doi: 10.1088/0034-4885/75/10/106301
2011EJ01 J.Phys.Soc.Jpn. 80, 094202 (2011) H.Ejiri, T.Shima, S.Miyamoto, K.Horikawa, Y.Kitagawa, Y.Asano, S.Date, Y.Ohashi Resonant Photonuclear Reactions for Isotope Transmutation NUCLEAR REACTIONS 100Mo, 197Au(γ, n), 100Mo(γ, p), E=12-16 MeV; measured reaction products, Eγ, Iγ; deduced relative yields, effective σ.
doi: 10.1143/JPSJ.80.094202
2011FR15 Phys.Lett. B 706, 134 (2011) D.Frekers, H.Ejiri, H.Akimune, T.Adachi, B.Bilgier, B.A.Brown, B.T.Cleveland, H.Fujita, Y.Fujita, M.Fujiwara, E.Ganioglu, V.N.Gavrin, E.-W.Grewe, C.J.Guess, M.N.Harakeh, K.Hatanaka, R.Hodak, M.Holl, C.Iwamoto, N.T.Khai, H.C.Kozer, A.Lennarz, A.Okamoto, H.Okamura, P.P.Povinec, P.Puppe, F.Simkovic, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, J.Van de Walle, R.G.T.Zegers The 71Ga(3He, t) reaction and the low-energy neutrino response NUCLEAR REACTIONS 71Ga(3He, t), E=420 MeV; measured reaction products; deduced isobaric-analogue resonance yields, σ(θ), Gamow-Teller strength values. SAGE and GALLEX calibration implications.
doi: 10.1016/j.physletb.2011.10.061
2011GU14 Phys.Rev. C 83, 064318 (2011) C.J.Guess, T.Adachi, H.Akimune, A.Algora, S.M.Austin, D.Bazin, B.A.Brown, C.Caesar, J.M.Deaven, H.Ejiri, E.Estevez, D.Fang, A.Faessler, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, G.F.Grinyer, M.N.Harakeh, K.Hatanaka, C.Herlitzius, K.Hirota, G.W.Hitt, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, V.Rodin, B.Rubio, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, C.Tur, N.Verhanovitz, M.Yosoi, J.Yurkon, R.G.T.Zegers, J.Zenihiro The 150Nd(3He, t) and 150Sm(t, 3He) reactions with applications to ββ decay of 150Nd NUCLEAR REACTIONS 150Nd(3He, t), E=140 MeV/nucleon; 150Sm(t, 3He), E=115 MeV/nucleon; measured triton and 3He spectra, excitation energy spectra, differential cross sections, σ(θ) 150Pm; deduced B(GT) strengths; isovector spin-flip giant monopole resonance (IVSGMR). Grand Raiden Spectrometer for (3He, t) and S-800 spectrometer for (t, 3He). Comparison with Quasi-Particle Random Phase Approximation (QRPA) calculations. Application to double β decay of 150Nd. RADIOACTIVITY 150Nd(2β-); calculated matrix elements for 0νββ and 2νββ decay modes using QRPA calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.064318
2011PU06 Phys.Rev. C 84, 051305 (2011) P.Puppe, D.Frekers, T.Adachi, H.Akimune, N.Aoi, B.Bilgier, H.Ejiri, H.Fujita, Y.Fujita, M.Fujiwara, E.Ganioglu, M.N.Harakeh, K.Hatanaka, M.Holl, H.C.Kozer, J.Lee, A.Lennarz, H.Matsubara, K.Miki, S.E.A.Orrigo, T.Suzuki, A.Tamii, J.H.Thies High-resolution (3He, t) reaction on the double-β decaying nucleus 136Xe NUCLEAR REACTIONS 136Xe(3He, t), E=420 MeV; measured E(t), I(t), σ(θ) using Grand-Raiden spectrometer. 136Cs; deduced levels, J, π, l-values, Gamow-Teller (GT) transition strengths. DWBA analysis. Relevance to double beta decay matrix elements for 136Xe.
doi: 10.1103/PhysRevC.84.051305
2010EJ01 Prog.Part.Nucl.Phys. 64, 249 (2010) Double beta decays and neutrino nuclear responses
doi: 10.1016/j.ppnp.2009.12.021
2010EJ02 Nucl.Phys. A844, 10c (2010) MOON for symmetry studies of neutrinos by double beta decays and neutrino nuclear responses
doi: 10.1016/j.nuclphysa.2010.05.006
2009EJ01 J.Phys.Soc.Jpn. 78, 074201 (2009) Experimental Nuclear Matrix Elements for Two Neutrino Double Beta Decays and Single Beta Decays NUCLEAR STRUCTURE 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te;analyzed 2β--decay matrix elements in terms of successive β--decays via Fermi-surface.
doi: 10.1143/JPSJ.78.074201
2009NA02 Phys.Rev. C 79, 025210 (2009) T.Nakano, N.Muramatsu, D.S.Ahn, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, S.Fukui, H.Hasegawa, K.Hicks, K.Horie, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, Y.Kato, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsuda, N.Matsuoka, T.Matsumura, T.Mibe, M.Miyabe, Y.Miyachi, M.Niiyama, M.Nomachi, Y.Ohashi, H.Ohkuma, T.Ooba, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, P.M.Shagin, Y.Shiino, A.Shimizu, H.Shimizu, Y.Sugaya, M.Sumihama, Y.Toi, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yoshimura, M.Yosoi, R.G.T.Zegers Evidence for theΘ+ in the γd → K+K- pn reaction by detecting K+K- pairs
doi: 10.1103/PhysRevC.79.025210
2007SU23 Phys.Lett. B 657, 32 (2007) M.Sumihama, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsumura, N.Matsuoka, T.Mibe, M.Miyabe, Y.Miyachi, M.Morita, N.Muramatsu, T.Nakano, M.Niiyama, M.Nomachi, Y.Ohashi, H.Ohkuma, T.Ooba, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, T.Sato, P.M.Shagin, Y.Shiino, H.Shimizu, Y.Sugaya, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yosoi, R.G.T.Zegers Backward-angle photoproduction of π0 mesons on the proton at Eγ = 1.5-2.4 GeV NUCLEAR REACTIONS 1H(polarized γ, π0), E=1.5-2.4 GeV; measured missing mass spectra, σ(E, θ), beam asymmetry.
doi: 10.1016/j.physletb.2007.10.032
2006EJ01 Prog.Part.Nucl.Phys. 57, 153 (2006) MOON for double beta decays and X-rays from WIMP nuclear interactions
doi: 10.1016/j.ppnp.2005.11.005
2006EJ02 Czech.J.Phys. 56, 459 (2006) Nuclear responses for double-beta decays by hadron, photon, and neutrino probes and MOON experiment
doi: 10.1007/s10582-006-0109-3
2006EJ03 Phys.Lett. B 639, 218 (2006) H.Ejiri, Ch.C.Moustakidis, J.D.Vergados Dark matter search by exclusive studies of X-rays following WIMPs nuclear interactions
doi: 10.1016/j.physletb.2006.03.037
2005KO02 Nucl.Phys. B(Proc.Supp.) S139, 72 (2005) K.Kobayashi, Y.Itow, M.Shiozawa, M.Yosoi, H.Toyokawa, H.Akimune, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hara, K.Y.Hara, T.Ishikawa, M.Itoh, T.Kawabata, M.Nakamura, H.Sakaguchi, Y.Sakemi, H.Takeda, M.Uchida, T.Yamada, Y.Yasuda, H.P.Yoshida, R.G.T.Zegers Detection of nuclear de-excitation gamma-rays in water Cherenkov detector NUCLEAR REACTIONS 16O(p, 2p), E=392 MeV; measured Ep, Eγ, pp-, pγ-coin. 15N levels deduced γ-emission probabilities.
doi: 10.1016/j.nuclphysbps.2004.11.206
2005NA36 Phys.Rev. C 72, 041001 (2005) S.Nakayama, T.Yamagata, H.Akimune, Y.Arimoto, H.Daito, H.Ejiri, H.Fujimura, Y.Fujita, M.Fujiwara, K.Fushimi, M.B.Greenfield, H.Kohri, N.Koori, K.Takahisa, T.Takeuchi, M.Tanaka, K.Yonehara, H.P.Yoshida M1 cross section for the photodisintegration of deuterium using the 2H(7Li, 7Be) reaction NUCLEAR REACTIONS 2H, C(7Li, 7Be), E=65 MeV/nucleon; measured spin-flip and spin-nonflip particle spectra; deduced charge-exchange spin-flip σ. 2H(γ, n), E ≈ 1.5-10 MeV; deduced magnetic dipole σ. Comparison with previous results, model predictions.
doi: 10.1103/PhysRevC.72.041001
2005NO02 Nucl.Phys. B(Proc.Supp.) S138, 221 (2005) M.Nomachi, P.Doe, H.Ejiri, S.R.Elliott, J.Engel, M.Finger, J.A.Formaggio, K.Fushimi, V.Gehman, A.Gorin, M.Greenfield, R.Hazama, K.Ichihara, Y.Ikegami, H.Ishii, T.Itahashi, P.Kavitov, V.Kekelidze, K.Kuroda, V.Kutsalo, I.Manouilov, K.Matsuoka, H.Nakamura, T.Ogama, A.Para, K.Rielage, A.Rjazantsev, R.G.H.Robertson, Y.Shichijo, T.Shima, Y.Shimada, G.Shirkov, A.Sissakian, Y.Sugaya, A.Titov, V.Vatulin, O.E.Vilches, V.Voronov, J.F.Wilkerson, D.I.Will, S.Yoshida MOON (Mo Observatory Of Neutrinos) for double beta decay
doi: 10.1016/j.nuclphysbps.2004.11.053
2005TI03 Phys.Rev. C 71, 035203 (2005) A.I.Titov, H.Ejiri, H.Haberzettl, K.Nakayama Some aspects of Θ+ parity determination in the reaction γN → Θ+ (K-bar) → NK(K-bar) NUCLEAR REACTIONS 1n, 1H(γ, K+K-), E ≈ threshold; calculated pentaquark production associated invariant mass spectra, spin observables. Implications for parity determination discussed.
doi: 10.1103/PhysRevC.71.035203
2004OG01 Nucl.Phys. A730, 215 (2004) I.Ogawa, R.Hazama, H.Miyawaki, S.Shiomi, N.Suzuki, Y.Ishikawa, G.Kunitomi, Y.Tanaka, M.Itamura, K.Matsuoka, S.Ajimura, T.Kishimoto, H.Ejiri, N.Kudomi, K.Kume, H.Ohsumi, K.Fushimi Search for neutrino-less double beta decay of 48Ca by CaF2 scintillator RADIOACTIVITY 48Ca(2β-); measured 0ν-accompanied 2β-decay T1/2 lower limit; deduced neutrino mass limits.
doi: 10.1016/j.nuclphysa.2003.10.015
2004YO06 Nucl.Phys. A738, 451 (2004) M.Yosoi, H.Akimune, I.Daito, H.Ejiri, H.Fujimura, M.Fujiwara, K.Fushimi, K.Hara, K.Y.Hara, H.Hashimoto, T.Ishikawa, M.Itoh, Y.Itow, S.Kishi, T.Kawabata, K.Kawase, M.Kinoshita, K.Kobayashi, M.Nakamura, K.Nakanishi, Y.Nakatsugawa, S.Nakayama, T.Noro, E.Obayashi, S.Okumura, H.Sakaguchi, Y.Sakemi, M.Shiozawa, H.Takeda, T.Taki, A.Tamii, M.Tanaka, S.Terashima, H.Toyokawa, N.Tsukahara, M.Uchida, T.Yamada, T.Yamagata, Y.Yasuda, H.P.Yoshida, R.G.T.Zegers, J.Zenihiro Cluster fragmentations of deep (1s)-hole states in light nuclei NUCLEAR REACTIONS 7Li, 12C, 16O(p, 2p), E=392 MeV; measured excitation energy spectra, decay fragment spectra from deep-hole states. 6He, 11B, 15N deduced cluster structure features.
doi: 10.1016/j.nuclphysa.2004.04.084
2004YO08 Yad.Fiz. 67, 1838 (2004); Phys.Atomic Nuclei 67, 1810 (2004) M.Yosoi, H.Akimune, I.Daito, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hara, K.Y.Hara, T.Ishikawa, M.Itoh, Y.Itow, T.Kawabata, K.Kobayashi, M.Nakamura, T.Noro, E.Obayashi, H.Sakaguchi, Y.Sakemi, M.Shiozawa, H.Takeda, T.Taki, A.Tamii, H.Toyokawa, N.Tsukahara, M.Uchida, T.Yamada, Y.Yasuda, H.P.Yoshida, R.G.T.Zegers Structures and Decay of Deep-Hole States in Light Nuclei Populated by the (p, 2p) Reactions NUCLEAR REACTIONS 12C, 16O(p, 2p), E=392 MeV; measured particle spectra, σ(E, θ). 11B, 15N deduced excited states particle decay branching ratios. Comparison with model predictions.
doi: 10.1134/1.1811183
2003CI01 Eur.Phys.J. A 16, 353 (2003) O.Civitarese, J.Suhonen, H.Ejiri Perturbative analysis of the 2νββ decays of 100Mo and 116Cd RADIOACTIVITY 100Mo, 116Cd(2β-); calculated 2ν-accompanied 2β-decay matrix elements. Perturbative approach, quasiparticle RPA.
doi: 10.1140/epja/i2002-10100-3
2003DO13 Nucl.Phys. A721, 517c (2003) P.Doe, H.Ejiri, S.R.Elliott, J.Engel, M.Finger, K.Fushimi, V.Gehman, A.Gorine, M.Greenfield, R.Hazama, K.Ichihara, T.Itahashi, P.Kavitov, V.Kekelidze, K.Kuroda, V.Kutsalo, K.Matsuoka, I.Manouilov, M.Nomachi, A.Para, A.Rjazantsev, R.G.H.Robertson, Y.Shichijo, L.C.Stonehill, T.Shima, G.Shirkov, A.Sissakian, Y.Sugaya, A.Titov, V.Vatulin, V.Voronov, O.E.Vilches, J.F.Wilkerson, D.I.Will, S.Yoshida Neutrino Studies in 100Mo and MOON - Mo Observatory of Neutrinos -
doi: 10.1016/S0375-9474(03)01113-8
2003IT04 Nucl.Phys. A718, 466c (2003) T.Itahashi, M.Komori, N.Kudomi, K.Kume, Y.Nagai, M.Ohsumi, K.Takahisa, H.Toki, H.Ejiri, H.Ueda, S.Yoshida Cross section of 3He(3He, 2p)4He measured near the Gamow energy NUCLEAR REACTIONS 3He(3He, 2p), E(cm)=31.2-45.3 keV; measured σ; deduced astrophysical S-factors.
doi: 10.1016/S0375-9474(03)00853-4
2003NA08 Phys.Rev.Lett. 91, 012002 (2003) T.Nakano, D.S.Ahn, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsumura, N.Matsuoka, T.Mibe, K.Miwa, M.Miyabe, Y.Miyachi, M.Morita, N.Muramatsu, M.Niiyama, M.Nomachi, Y.Ohashi, T.Ooba, H.Ohkuma, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, T.Sasaki, P.M.Shagin, Y.Shiino, H.Shimizu, Y.Sugaya, M.Sumihama, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yoshimura, M.Yosoi, R.G.T.Zegers Evidence for a Narrow S = +1 Baryon Resonance in Photoproduction from the Neutron NUCLEAR REACTIONS 12C(γ, K+K-), E ≈ 1.5-2.4 GeV; measured kaon missing mass spectra; deduced baryon resonance features.
doi: 10.1103/PhysRevLett.91.012002
2003OG05 Nucl.Phys. A721, 525c (2003) I.Ogawa, R.Hazama, S.Ajimura, K.Matsuoka, N.Kudomi, K.Kume, H.Ohsumi, K.Fushimi, N.Suzuki, T.Nitta, H.miyawaki, S.Shiomi, Y.Tanaka, Y.Ishikawa, M.Itamura, K.Kishimoto, A.Katsuki, H.Sakai, D.Yokoyama, S.Umehara, S.Tomii, K.Mukaida, S.Yoshida, H.Ejiri, T.Kishimoto Double beta decay study of 48Ca by CaF2 scintillator RADIOACTIVITY 48Ca(2β-); measured 0ν-accompanied 2β decay T1/2 lower limit.
doi: 10.1016/S0375-9474(03)01115-1
2003YO01 Phys.Lett. 551B, 255 (2003) M.Yosoi, H.Akimune, I.Daito, H.Ejiri, H.Fujimura, M.Fujiwara, T.Ishikawa, M.Itoh, T.Kawabata, M.Nakamura, T.Noro, E.Obayashi, H.Sakaguchi, H.Takeda, T.Taki, A.Tamii, H.Toyokawa, N.Tsukahara, M.Uchida, T.Yamada, H.P.Yoshida Structure and decay of the s-hole state in 11B studied via the 12C(p, 2p)11B* reaction NUCLEAR REACTIONS 12C(p, 2p), E=392 MeV; measured particle spectra following compound nucleus decay. 11B level deduced configuration, decay branching ratios. Comparison with shell model predictions.
doi: 10.1016/S0370-2693(02)03062-9
2003YO09 Nucl.Phys. A721, 1056c (2003) S.Yoshida, H.Ejiri, K.Fushimi, K.Hayashi, T.Kishimoto, N.Kudomi, K.Kume, H.Kuramoto, K.Matsuoka, H.Ohsumi, K.Takahisa, Y.Tsujimoto, S.Umehara Search for WIMPs with NaI(Tl) Detectors at Oto Cosmo Observatory
doi: 10.1016/S0375-9474(03)01284-3
2003ZE04 Phys.Rev.Lett. 91, 092001 (2003) R.G.T.Zegers, M.Sumihama, D.S.Ahn, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsumura, N.Matsuoka, T.Mibe, K.Miwa, M.Miyabe, Y.Miyachi, M.Morita, N.Muramatsu, T.Nakano, M.Niiyama, M.Nomachi, Y.Ohashi, T.Ooba, H.Ohkuma, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, T.Sasaki, P.M.Shagin, Y.Shiino, H.Shimizu, Y.Sugaya, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yoshimura, M.Yosoi Beam-Polarization Asymmetries for the p(γ(pol), K+)Λ and p(γ(pol), K+)Σ0 Reactions for Eγ = 1.5-2.4 GeV NUCLEAR REACTIONS 1H(polarized γ, K+X), E=1.5-2.4 GeV; measured hyperon production associated beam polarization asymmetries. Comparison with model predictions.
doi: 10.1103/PhysRevLett.91.092001
2002EJ01 Acta Phys.Pol. B33, 173 (2002) Neutrino Studies in Nuclei and Nuclear Responses for Neutrinos
2002EJ02 Phys.Lett. 530B, 27 (2002) Supernova-Neutrino Studies with 100Mo NUCLEAR REACTIONS 100Mo(ν, e), E=0-100 MeV; calculated σ, electron energy spectrum for ν originating in a supernova event. Effects of spin-isospin resonances discussed, possible detector design for supernova neutrinos proposed.
doi: 10.1016/S0370-2693(02)01349-7
2002EJ03 Czech.J.Phys. 52, 637 (2002) Nuclear Responses for Neutrinos and Mo Observatory of Neutrinos
doi: 10.1023/A:1015386016538
2002EJ04 Prog.Part.Nucl.Phys. 48, 185 (2002) Double Beta Decays and Neutrino Masses
doi: 10.1016/S0146-6410(02)00124-2
2002EJ05 Nucl.Phys. B(Proc.Supp.) S110, 375 (2002) H.Ejiri, J.Engel, K.Fushimi, K.Hayashi, R.Hazama, T.Kishimoto, P.Krastev, N.Kudomi, K.Kume, H.Kuramoto, K.Matsuoka, R.G.H.Robertson, K.Takahisa, S.Yoshida Double Beta Decays of 100Mo and Molybdenum Observatory of Neutrinos RADIOACTIVITY 100Mo(2β-); measured β-spectra, 2ν-accompanied 2β-decay T1/2, 0ν-accompanied 2β-decay T1/2 lower limit.
doi: 10.1016/S0920-5632(02)01514-1
2002FU05 Phys.Lett. 531B, 190 (2002) K.Fushimi, N.Kudomi, S.Yoshida, H.Ejiri, K.Hayashi, T.Kishimoto, K.Kume, H.Kuramoto, K.Matsuoka, H.Ohsumi, K.Takahisa Limits on Majoron Emitting Neutrinoless Double-Beta Decay of 100Mo RADIOACTIVITY 100Mo(2β-); measured 0ν-accompanied 2β-decay T1/2 lower limit; deduced coupling constant.
doi: 10.1016/S0370-2693(02)01484-3
2001EJ01 Nucl.Phys. B(Proc.Supp.) S91, 255 (2001) Double Beta Decays and Neutrinos RADIOACTIVITY 76Ge, 100Mo, 116Cd, 128,130Te, 136Xe(2β-); analyzed data, sensitivity to neutrino mass.
doi: 10.1016/S0920-5632(00)00949-X
2001EJ02 Nucl.Phys. A687, 350c (2001) Nuclear Responses for Neutrinos and Spin Isospin Giant Resonances
doi: 10.1016/S0375-9474(01)00641-8
2001EJ03 Phys.Rev. C63, 065501 (2001) H.Ejiri, K.Fushimi, K.Hayashi, T.Kishimoto, N.Kudomi, K.Kume, H.Kuramoto, K.Matsuoka, H.Ohsumi, K.Takahisa, S.Yoshida Limits on the Majorana Neutrino Mass and Right-Handed Weak Currents by Neutrinoless Double β Decay of 100Mo RADIOACTIVITY 100Mo(2β-); measured neutrinoless 2β decay T1/2 lower limits; deduced neutrino mass limits.
doi: 10.1103/PhysRevC.63.065501
2001EJ04 Pramana 57, 371 (2001) Nuclear Responses for Neutrinos and Neutrino Studies by Double Beta Decays and Inverse Beta Decays
doi: 10.1007/s12043-001-0046-4
2001FU11 Nucl.Phys. A690, 243c (2001) Y.Fujita, T.Adachi, G.P.A.Berg, B.A.Brown, H.Ejiri, H.Fujimura, H.Fujita, M.Fujiwara, K.Hara, M.N.Harakeh, K.Hatanaka, F.Hofmann, J.Kamiya, K.Katori, T.Kawabata, S.Mizutori, P.von Neumann-Cosel, T.Noro, B.Reitz, A.Richter, Y.Shimbara, T.Shinada, H.Ueno, M.Yoshifuku, M.Yosoi Decomposition of M1 Transitions into Isoscalar and Isovector, Spin and Orbital Contributions NUCLEAR REACTIONS 24Mg, 28Si, 27Al(3He, t), E=150 MeV; analyzed B(M1), B(GT). 24Mg, 28Si, 27Al deduced orbital contributions to M1 strengths.
doi: 10.1016/S0375-9474(01)00950-2
2001JA10 Nucl.Phys. A687, 270c (2001) J.Janecke, H.Akimune, H.Ejiri, R.Fox, Y.Fujita, M.Fujiwara, M.B.Greenfield, M.N.Harakeh, R.Hazama, T.Inomata, N.Kudomi, K.Pham, D.A.Roberts, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi Direct and Statistical Proton Decay from Isovector Giant Resonances in 90Nb NUCLEAR REACTIONS 90Zr(3He, t), E=150 MeV; measured σ at small angles, Ep, (proton)(triton)-coin. 90Nb deduced 1+ level energy, isobaric analog state, Gamow-Teller spin resonances, spin-dipole resonances parameters. Statistical model calculations.
doi: 10.1016/S0375-9474(01)00631-5
2000AJ02 Phys.Rev.Lett. 84, 4052 (2000) S.Ajimura, K.Ikeda, M.Ishikawa, T.Kishimoto, A.Okusu, N.Shinkai, Y.Tanaka, H.Ejiri, T.Nakano, K.Manabe, T.Nagae, H.Noumi, M.Sekimoto, T.Shibata, O.Hashimoto, K.Maeda, T.Takahashi, T.Hasegawa, H.Bhang, Y.D.Kim, H.Park, M.Youn Asymmetry in the Nonmesonic Weak Decay of Polarized Λ5He Hypernuclei NUCLEAR REACTIONS 6Li(π+, K+), E not given; measured pion, proton spectra, asymmetry following hypernucleus decay. 5He deduced hypernucleus asymmetry parameter for nonmesonic decay.
doi: 10.1103/PhysRevLett.84.4052
2000AJ03 Nucl.Phys. A663-664, 493c (2000) S.Ajimura, H.Bhang, H.Ejiri, T.Hasegawa, O.Hashimoto, M.Ishikawa, K.Ikeda, Y.Kim, T.Kishimoto, K.Maeda, K.Manabe, T.Nagae, T.Nakano, H.Noumi, A.Okusu, H.Park, M.Sekimoto, T.Shibata, N.Shinkai, T.Takahashi, Y.Tanaka, M.Youn Asymmetry in Nonmesonic Decay of Polarized Λ5He Hypernucleus NUCLEAR REACTIONS 6Li(π+, K+p), E at 1.05 GeV/c; measured excitation energy spectra, asymmetry; deduced polarized hypernucleus decay features.
doi: 10.1016/S0375-9474(99)00639-9
2000AJ04 Nucl.Phys. A670, 285c (2000) S.Ajimura, H.Bhang, H.Ejiri, T.Hasegawa, O.Hashimoto, M.Ishikawa, K.Ikeda, Y.Kim, T.Kishimoto, K.Maeda, K.Manabe, T.Nagae, T.Nakano, H.Noumi, A.Okusu, H.Park, M.Sekimoto, T.Shibata, N.Shinkai, T.Takahashi, Y.Tanaka, M.Youn Asymmetric Weak Decay of Polarized Hypernuclei NUCLEAR REACTIONS 6Li(π+, K+p), E at 1.05 GeV/c; measured excitation energy spectra, asymmetry; deduced polarized hypernucleus decay features.
doi: 10.1016/S0375-9474(00)00114-7
2000EJ01 Phys.Rev.Lett. 85, 2917 (2000) H.Ejiri, J.Engel, R.Hazama, P.Krastev, N.Kudomi, R.G.H.Robertson Spectroscopy of Double-Beta and Inverse-Beta Decays from 100Mo for Neutrinos RADIOACTIVITY 100Mo(2β-); calculated 0ν-, 2ν-accompanied 2β decay spectra, correlation features. Detector design, solar neutrino detection discussed.
doi: 10.1103/PhysRevLett.85.2917
2000EJ02 Phys.Rep. 338, 265 (2000) Nuclear Spin Isospin Responses for Low-Energy Neutrons
doi: 10.1016/S0370-1573(00)00044-2
2000FU13 Phys.Rev. C62, 044314 (2000) Y.Fujita, B.A.Brown, H.Ejiri, K.Katori, S.Mizutori, H.Ueno Separation of Isoscalar, Isovector, Orbital, and Spin Contributions in M1 Transitions in Mirror Nuclei NUCLEAR STRUCTURE 27Al, 27Si; calculated transitions B(M1); deduced isovector, isoscalar, orbital, spin components. Shell model, comparisons with data.
doi: 10.1103/PhysRevC.62.044314
2000FU15 Phys.Rev.Lett. 85, 4442 (2000) M.Fujiwara, H.Akimune, A.M.van den Berg, M.Cribier, I.Daito, H.Ejiri, H.Fujimura, Y.Fujita, C.D.Goodman, K.Hara, M.N.Harakeh, F.Ihara, T.Ishikawa, J.Janecke, T.Kawabata, R.S.Raghavan, K.Schwarz, M.Tanaka, T.Yamanaka, M.Yosoi, R.G.T.Zegers Gamow-Teller Strengths of the Inverse Beta Transition 176Yb → 176Lu for Spectroscopy of Proton-Proton and Other Sub-MeV Solar Neutrinos NUCLEAR REACTIONS 176Yb(3He, t), E=450 MeV; measured triton spectra; deduced Gamow-Teller transition strengths. 176Lu deduced levels, IAS excitation strength. Application to solar neutrino detection discussed.
doi: 10.1103/PhysRevLett.85.4442
2000HA25 Nucl.Phys. A663-664, 1087c (2000) K.Hatanaka, S.Ninomiya, M.Nomachi, H.Ejiri Design Study of a 10 GeV Electron Accumulator Ring for the PEARL Project at RCNP
doi: 10.1016/S0375-9474(99)00783-6
2000KU21 Nucl.Phys. B(Proc.Supp.) S87, 301 (2000) N.Kudomi, H.Ejiri, K.Fushimi, K.Hayashi, R.Hazama, T.Kishimoto, K.Kume, H.Kuramoto, T.Matsuoka, H.Ohsumi, K.Takahisa, Y.Tsujimoto, S.Yoshida Double Beta Decay of 100Mo by ELEGANT V at Oto Cosmo Observatory RADIOACTIVITY 100Mo(2β-); measured 0ν-accompanied 2β-decay T1/2 lower limit; deduced neutrino mass limits.
doi: 10.1016/S0920-5632(00)00686-1
2000NA15 Nucl.Phys. A670, 332c (2000) T.Nakano, J.K.Ahn, H.Ejiri, M.Fujiwara, T.Hotta, N.Matsuoka, T.Matsumura, T.Mibe, M.Nomachi, H.Toki, C.W.Wang, S.C.Wang, H.Kawai, T.Ooba, T.Iwata, Y.Miyachi, T.Toyama, A.Wakai, K.Hicks, H.Akimune, Y.Asano, Y.Sugaya, S.Date, N.Kumagai, Y.Ohashi, H.Toyokawa, K.Imai, M.Yosoi, A.Ichikawa, T.Kishimoto, A.Sakaguchi, M.Sumihama, S.Makino, H.Shimizu Experiment at SPring-8
doi: 10.1016/S0375-9474(00)00124-X
2000OG02 Nucl.Phys. A663-664, 869c (2000) I.Ogawa, T.Kishimoto, R.Hazama, S.Ajimura, K.Matsuoka, N.Suzuki, T.Nitta, H.Miyawaki, S.Shiomi, Y.Tanaka, H.Ejiri, N.Kudomi, K.Kume, H.Ohsumi, K.Fushimi Dark Matter Search with CaF2 Scintillators in Osaka
doi: 10.1016/S0375-9474(99)00734-4
1999EJ01 Nucl.Phys. A649, 288c (1999) Spin Isospin Giant Resonances and Neutrino Nuclear Responses
doi: 10.1016/S0375-9474(99)00074-3
1998AJ01 Phys.Rev.Lett. 80, 3471 (1998) S.Ajimura, M.Ishikawa, K.Ikeda, T.Kishimoto, A.Okusu, N.Shinkai, Y.Tanaka, H.Ejiri, T.Nakano, T.Nagae, H.Noumi, K.Manabe, M.Sekimoto, T.Shibata, O.Hashimoto, K.Maeda, T.Takahashi, T.Hasegawa, H.Bhang, H.Park, Y.Kim, M.Youn, T.Motoba, K.Itonaga Polarization of (Λ)5He Produced by the (π+, K+) Reaction NUCLEAR REACTIONS 6Li(π+, K+), (π+, K+p), E at 1.05 GeV/c; measured excitation energy spectra, asymmetry; deduced 5He hypernucleus formation, polarization.
doi: 10.1103/PhysRevLett.80.3471
1998EJ02 Nucl.Phys. A629, 487c (1998) Neutrino Nuclear Responses and Neutrino Masses in Inverse Beta and Double Beta Decays
doi: 10.1016/S0375-9474(97)00727-6
1998EJ03 Phys.Lett. 433B, 257 (1998) H.Ejiri, H.Akimune, Y.Arimoto, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, K.Fushimi, M.B.Greenfield, M.N.Harakeh, F.Ihara, T.Inomata, K.Ishibashi, J.Janecke, H.Kohri, S.Nakayama, C.Samanta, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi Spin-Isospin Responses of 71Ga for Solar Neutrinos Studied by 71Ga(3He, tγ)71Ge Reaction NUCLEAR REACTIONS 71Ga(3He, t), E=450 MeV; measured Eγ, Iγ, forward-angle triton spectra, tγ-coin. 71Ge deduced γ-decay branching from levels above neutron threshold. Implications for solar neutrino absorption rates.
doi: 10.1016/S0370-2693(98)00673-X
1998EJ05 Prog.Part.Nucl.Phys. 40, 307 (1998) Neutrinos and Nuclear Responses in Nuclear Double-β and Inverse-β Processes NUCLEAR REACTIONS 71Ga, 100Mo(3He, t), E=450 MeV; analyzed triton spectra; deduced spin isospin strengths for neutrino capture, related features. RADIOACTIVITY 100Mo(2β-); analyzed 2ν accompanied 2β decay sum spectra; deduced supersymmetry parameters.
doi: 10.1016/S0146-6410(98)00040-4
1998HO04 Nucl.Phys. A629, 160c (1998) Baryon Resonances in a Deformed Oscillator Quark Model
doi: 10.1016/S0375-9474(97)00681-7
1998IN02 Phys.Rev. C57, 3153 (1998) T.Inomata, H.Akimune, I.Daito, H.Ejiri, H.Fujimura, Y.Fujita, M.Fujiwara, M.N.Harakeh, K.Ishibashi, H.Kohri, N.Matsuoka, S.Nakayama, A.Tamii, M.Tanaka, H.Toyokawa, M.Yoshimura, M.Yosoi Particle Decays from 12B and 12N Mirror Nuclei NUCLEAR REACTIONS 12C(d, 2p), E=200 MeV; 12C(3He, t), E=450 MeV; measured excitation energy spectra, proton, neutron σ(θ) following residual nucleus decay. 12B, 12N deduced spin-isospin excitation modes, particle decay features.
doi: 10.1103/PhysRevC.57.3153
1998KU09 Nucl.Phys. A629, 527c (1998) N.Kudomi, H.Ejiri, K.Fushimi, K.Hayashi, R.Hazama, T.Kishimoto, M.Komori, K.Kume, G.Kunitomi, T.Matsuoka, H.Miyawaki, K.Nagata, H.Ohsumi, K.Okada, T.Shima, S.Shiomi, K.Takahisa, J.Tanaka, K.Tasaka, T.Watanabe Double Beta Decays and ELEGANT V and VI at Oto Cosmo Observatory RADIOACTIVITY 100Mo(2β); measured 0ν-associated T1/2 lower limits.
doi: 10.1016/S0375-9474(97)00732-X
1998NA09 Nucl.Phys. A629, 559c (1998) T.Nakano, H.Ejiri, M.Fujiwara, T.Hotta, K.Takanashi, H.Toki, S.Hasegawa, T.Iwata, K.Okamoto, T.Murakami, J.Tamii, K.Imai, K.Maeda, K.Maruyama, S.Date, M.M.Obuti, Y.Ohashi, H.Ohkuma, N.Kumagai New Projects at SPring-8 with Multi-GeV Polarized Photons
doi: 10.1016/S0375-9474(97)00737-9
1997AK02 Phys.Lett. 394B, 23 (1997); Erratum Phys.Lett. 665B, 424 (2008) H.Akimune, H.Ejiri, M.Fujiwara, I.Daito, T.Inomata, R.Hazama, A.Tamii, H.Toyokawa, M.Yosoi GT Strengths Studied by (3He, t) Reactions and Nuclear Matrix Elements for Double Beta Decays NUCLEAR REACTIONS 100Mo, 116Cd(3He, t), E=450 MeV; measured triton energy spectra. 100Tc, 116In deduced Gamow-Teller strengths. 100Mo, 116Cd deduced 2ν-accompanied 2β-decay matrix elements.
doi: 10.1016/S0370-2693(96)01659-0
1997EJ01 Int.J.Mod.Phys. E6, 1 (1997) Nuclear Spin Responses for Neutrinos in Astroparticle Physics RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te(2β); analyzed 2ν-accompanied 2β-decay T1/2; deduced 2β-decay matrix elements. 100Tc(β-); analyzed log ft; deduced β-decay matrix element. Othernuclei, other aspects discussed in terms of nuclear spin responses. NUCLEAR REACTIONS 71Ga, 100Mo(3He, t), E=450 MeV; analyzed σ(Et). 100Tc deduced β-decay associated Gamow-Teller matrix element. 71Ge deduced total Gamow-Teller strength. Other aspects also discussed in terms of nuclear spin responses.
doi: 10.1142/S0218301397000020
1996EJ01 Nucl.Phys. A599, 179c (1996) Double Beta Decays and Spin Isospin Giant Resonances
doi: 10.1016/0375-9474(96)00059-0
1996EJ02 J.Phys.Soc.Jpn. 65, 7 (1996) Nuclear Matrix Elements for Two-Neutrino Double Beta Decays RADIOACTIVITY 76Se, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te(2β); calculated 2ν-accompanied 2β-decay T1/2 matrix element, decomposition in single β-decays.
doi: 10.1143/JPSJ.65.7
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