NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Omer Found 3 matches. 2024SH01 Phys.Rev. C 109, 014302 (2024) T.Shizuma, M.Omer, T.Hayakawa, F.Minato, S.Matsuba, S.Miyamoto, N.Shimizu, Y.Utsuno Parity assignment for low-lying dipole states in 58Ni
doi: 10.1103/PhysRevC.109.014302
2021SH08 Phys.Rev. C 103, 024309 (2021) T.Shizuma, F.Minato, M.Omer, T.Hayakawa, H.Ohgaki, S.Miyamoto Low-lying electric and magnetic dipole strengths in 207Pb NUCLEAR REACTIONS 207Pb(polarized γ, γ'), E(maximum)=5.8, 6.3, 6.8 MeV quasimonochromatic photon beam generated by laser Compton scattering (LCS) with relativistic electrons circulating in the NewSUBARU storage ring; measured Eγ, Iγ at azimuthal angles of 0° and 90° relative to the polarization plane, azimuthal intensity ratios using two HPGe detectors at the LASTI of the University of Hyogo. 207Pb; deduced levels, J, π, branching ratios Γ0/Γ, integrated scattering cross sections, gΓ02/Γ, B(E1)(up), B(M1)(up), E1 and M1 photoabsorption cross sections, coherent excitations of spin-flip 1p-1h states in the 206Pb core. Nuclear resonance fluorescence (NRF) study. Comparison with particle-vibration coupling (PVC), with the quasiparticle random-phase approximation (QRPA) calculations using SkM*, SGII, and SkP interactions, and with previous experimental results.
doi: 10.1103/PhysRevC.103.024309
2019SH26 Phys.Rev. C 100, 014307 (2019) T.Shizuma, M.Omer, R.Hajima, N.Shimizu, Y.Utsuno Spin and parity determination of the 3.004-MeV level in 27Al: Its low-lying multiplet structure NUCLEAR REACTIONS 27Al(polarized γ, γ'), E=2900-3100 quasimonochromatic, linearly polarized photon beam from the TUNL High Intensity γ-ray Source (HIγS); measured Eγ, Iγ, azimuthal asymmetry and γ-ray angular distributions. 27Al; deduced levels, J and π of 2.982- and 3.004-MeV levels, multipolarity and mixing ratio of γ transition, Γ0, integrated cross section, and B(E2) for 3.004-MeV level. Comparisons with Monte-Carlo shell model calculations, and with previous measurements.
doi: 10.1103/PhysRevC.100.014307
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