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NSR database version of May 20, 2024.

Search: Author = K.Yanase

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2023SA49      Phys.Rev. A 108, 042811 (2023)

B.K.Sahoo, N.Yamanaka, K.Yanase

Revisiting theoretical analysis of the electric dipole moment of 129Xe

NUCLEAR MOMENTS 129Xe; analyzed available data; deduced contributions from the parity and time-reversal violating pseudoscalar-scalar (Ps-S) and scalar-pseudoscalar (S-Ps) electron-nucleus interactions along with electric dipole moments (EDMs) of electrons (de) interacting with internal electric and magnetic fields.

doi: 10.1103/PhysRevA.108.042811
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2023YA13      Phys.Lett. B 841, 137897 (2023)

K.Yanase, N.Shimizu, K.Higashiyama, N.Yoshinaga

Correlations between nuclear Schiff moment and electromagnetic measurements

NUCLEAR MOMENTS 129Xe, 199Hg; calculated the nuclear Schiff moments induced by the nucleon electric dipole moment using large-scale shell model; deduced the next-to-leading-order contribution arises from parity and time-reversal violation in the nucleus, that these secondary effects do not induce any significant disturbance to the correlation. Comparison with available data.

doi: 10.1016/j.physletb.2023.137897
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2021YA10      Phys.Rev. C 103, 035501 (2021)


Screening of nucleon electric dipole moments in atomic systems

doi: 10.1103/PhysRevC.103.035501
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2021YO03      Prog.Theor.Exp.Phys. 2021, 063D01 (2021)

N.Yoshinaga, K.Yanase, C.Watanabe, K.Higashiyama

Large-scale nuclear shell-model calculations of isotopes in the southwest region of 208Pb

NUCLEAR STRUCTURE 202,203,204,205,206Tl, 201,202,203,204,205,206Hg, 200,201,202,203,204,205Au, 199,200,201,202,203,204Pt; calculated energy levels, J, π, B(Eλ). Large-scale nuclear shell model, comparison with experimental data.

doi: 10.1093/ptep/ptab039
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2020HI12      J.Phys.(London) G47, 035102 (2020)

K.Higashiyama, K.Yanase, N.Yoshinaga, A.Umeya, A.Uehara, E.Teruya

Nuclear matrix elements of neutrinoless double beta decay for masses 130 and 136 in the shell model

RADIOACTIVITY 130Te, 136Xe(2β-); calculated nuclear matrix elements of neutrinoless double beta decay using the nuclear shell model.

doi: 10.1088/1361-6471/ab5400
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2020YA27      Phys.Rev. C 102, 065502 (2020)

K.Yanase, N.Shimizu

Large-scale shell-model calculations of nuclear Schiff moments of 129Xe and 199Hg

NUCLEAR STRUCTURE 129Xe, 199Hg; calculated levels, J, π, magnetic moments, B(E2), configurations, nuclear Schiff moments and electric dipole moments (EDM). Large-scale shell-model calculations with realistic effective interactions, and using one particle-one-hole approximation to the intermediate states. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.065502
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2019KA36      Phys.Rev. C 100, 024323 (2019)

L.Kaya, A.Vogt, P.Reiter, M.Siciliano, N.Shimizu, Y.Utsuno, H.-K.Wang, A.Gargano, L.Coraggio, N.Itaco, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, A.Esmaylzadeh, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kornwebel, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, K.Schomacker, M.Seidlitz, B.Siebeck, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, E.Teruya, C.Ur, J.J.Valiente-Dobon, K.Wolf, K.Yanase, N.Yoshinaga, K.O.Zell

Isomer spectroscopy in 133Ba and high-spin structure of 134Ba

NUCLEAR REACTIONS 124Sn(13C, X)133Ba/134Ba, E=55 MeV from FN tandem accelerator at Cologne; 208Pb(136Xe, X)134Ba, E=6.84 MeV/nucleon from PIAVE+ALPI accelerator complex at LNL-Legnaro; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of isomers by γγ(t) using eight HPGe and 12 LaBr3(ce) detectors at Cologne, and magnetic spectrometer PRISMA with AGATA array at Legnaro. 133,134Ba; deduced high-spin levels, isomers, J, π, multipolarities, alignments, bands, backbending, configurations, B(E1), B(E2). Comparison with shell-model calculations for 134Ba, and with previous experimental results. Systematics of positive- and negative-parity yrast states in N=78 nuclei: 130Te, 132Xe, 134Ba, 136Ce, 138Nd, 140Sm, 142Gd, and Z=56 nuclei: 126,128,130,132,134,136,138Ba.

NUCLEAR STRUCTURE 134Ba; calculated levels, J, π using GCN50:82, SN100PN, SNV, PQM130, and realistic SM interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024323
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2018YA13      Phys.Rev. C 98, 014308 (2018)

K.Yanase, E.Teruya, K.Higashiyama, N.Yoshinaga

Shell-model study of Pb, Bi, Po, At, Rn, and Fr isotopes with masses from 210 to 217

NUCLEAR STRUCTURE 210,211,212Pb, 210,211,212,213Bi, 211,212,213,214Po, 212,213,214,215At, 213,214,215,216Rn, 214,215,216,217Fr; calculated level energies, B(E2), magnetic dipole and electric quadrupole moments, isomeric states, and expected number of neutron and proton pairs in 212,214Po and 214,216Rn states using large scale shell-model calculations. Comparison with available experimental data.

doi: 10.1103/PhysRevC.98.014308
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2018YO01      Prog.Theor.Exp.Phys. 2018, 023D02 (2018)

N.Yoshinaga, K.Yanase, K.Higashiyama, E.Teruya, D.Taguchi

Structure of nuclei with masses 76 and 82 and nuclear matrix elements of neutrinoless double beta decay

NUCLEAR STRUCTURE 82Se, 82Kr, 76Ge, 76Se; calculated energy levels, J, π, B(E2) values, nuclear matrix elements, T1/2. Comparison with available data.

doi: 10.1093/ptep/ptx174
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2018YO12      Phys.Rev. C 98, 044321 (2018)

N.Yoshinaga, K.Yanase, K.Higashiyama, E.Teruya

Octupole phonon model based on the shell model for octupole vibrational states

NUCLEAR STRUCTURE 200,202,204,206,208,210,212,214,216Pb, 200,202,204,206,208,210,212,214,216,218Po, 200,202,204,206,208,210,212,214,216,218,220,222Rn, 206,208,210,212,214,216,218,220,222,224,226,228,230,232Ra, 216,218,220,222,224,226,228,230,232,234,236Th; calculated E(first 4+)/E(first 2+) ratios, and energies of first 3- states. 206,210Pb, 210,212,214Po, 214,216Rn, 212At, 214Fr; calculated levels, J, π, B(E3). Shell model calculations with one-octupole-phonon representing collective octupole vibration across the magic core. Comparison with experimental values.

doi: 10.1103/PhysRevC.98.044321
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