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NSR database version of April 11, 2024.

Search: Author = F.F.Zeng

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2024WA12      Chin.Phys.C 48, 014106 (2024)

H.-K.Wang, Y.-L.Sun, B.-W.Jiang, F.-F.Zeng, M.-L.Liu

Further monopole effects in neutron-rich Sb isotopes

NUCLEAR STRUCTURE 133,134,135,136,137,139Sb; calculated energy levels, J, π, high-spin states within a shell-model space containing cross-shell excitations and the intruder orbit i13/2; deduced monopole effects. Comparison with available data.

doi: 10.1088/1674-1137/ad0b6b
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2022GU07      Phys.Rev.Lett. 128, 242502 (2022)

S.Guo, B.Ding, X.H.Zhou, Y.B.Wu, J.G.Wang, S.W.Xu, Y.D.Fang, C.M.Petrache, E.A.Lawrie, Y.H.Qiang, Y.Y.Yang, H.J.Ong, J.B.Ma, J.L.Chen, F.Fang, Y.H.Yu, B.F.Lv, F.F.Zeng, Q.B.Zeng, H.Huang, Z.H.Jia, C.X.Jia, W.Liang, Y.Li, N.W.Huang, L.J.Liu, Y.Zheng, W.Q.Zhang, A.Rohilla, Z.Bai, S.L.Jin, K.Wang, F.F.Duan, G.Yang, J.H.Li, J.H.Xu, G.S.Li, M.L.Liu, Z.Liu, Z.G.Gan, M.Wang, Y.H.Zhang

Probing 93mMo Isomer Depletion with an Isomer Beam

RADIOACTIVITY 93Mo(IT) [from 12C(86Kr, 5n), E=559 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, lack of isomer depletion, excitation probability. Comparison with available data. Nuclear excitation by electron capture (NEEC).

doi: 10.1103/PhysRevLett.128.242502
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2022HU09      Phys.Lett. B 833, 137345 (2022)

H.Huang, W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, Z.H.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, J.G.Li, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Yu, F.F.Zeng, X.H.Zhou

First observation of the decay of the 13/2+ isomer in 183Hg and B(M2) systematics of neutron transitions across the nuclear chart

RADIOACTIVITY 183Hg(α) [from 187Pb α decay]; 187mPb(α) [from 142Nd(50Cr, 3n2pγ), E=255 MeV, followed by separation of fragments using Argonne gas-filled analyzer (AGFA) at the ATLAS-ANL facility]; measured reaction products, evaporation residues (EVRs), Eα, Iα, (EVR)α-correlations, αγ(t), Eγ, Iγ, x rays, T1/2 using double-sided silicon strip detector (DSSD), and four HPGe clover detectors. 183,183mHg; deduced levels, isomer, J, π, T1/2 of g.s. and isomer, α branching ratio, K-conversion coefficient, multipolarity, B(M2), Nilsson configurations. 187mPb; deduced T1/2. Systematics of decay schemes of 13/2+ isomers in 175,177,179,181,183,185Hg. Systematics of B(M2) values for 7/2-, 9/2+, 11/2- and 13/2+ isomers in even-Z, odd-N nuclei: 25Mg, 33Si, 33,35S, 37Ar, 39Ca, 59Cr, 61Fe, 63,67Ni, 63,65,67Zn, 67,69,71Ge, 69,71Se, 97,99Mo, 99,101,103Ru, 103,105Pd, 107,109Cd, 109,111,113,115Sn, 153Yb, 161Hf, 163W, 163Os, 171,189,191Pt, 181,183,201,203,205Hg, 209Pb, 205,207,211Po, 207,209,213Rn, 209,211Ra, 211,213Th.

doi: 10.1016/j.physletb.2022.137345
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2022ZE02      Phys.Rev. C 106, 034307 (2022)

Q.B.Zeng, S.Guo, Z.Liu, J.G.Li, H.H.Li, J.G.Wang, Z.Y.Zhang, L.Ma, Y.H.Qiang, M.H.Huang, G.S.Li, Y.D.Fang, M.L.Liu, B.Ding, Y.Zheng, J.H.Li, H.Y.Lu, W.Q.Zhang, K.L.Wang, X.Y.Liu, H.Huang, F.F.Zeng, X.H.Yu, A.Rohilla, J.F.Huang, H.L.Fan, C.Qi, C.X.Yuan, C.M.Petrache, E.A.Lawrie, W.Zuo, Z.G.Gan, X.H.Zhou

Configurations of the low-lying states in 146Eu

RADIOACTIVITY 146mEu(IT) [from 124Sn(27Al, 5n), E=127 MeV, followed by mass-separation of evaporation residues (ERs) using the SHANS separator at the Sector-Focusing Cyclotron (SFC) of HIRFL-Lanzhou]; measured Eγ, Iγ, γγ-coin, isomer and level T1/2 by γ(t) and γγ(t) fast-timing method using three LaBr3(Ce) detectors, one coaxial and one Clover HPGe detectors, and analyzed using mirror symmetric centroid difference (MSCD) method. 146Eu; deduced levels, J, π, T1/2 of 6- levels and a 9+ isomer, multipolarities, upper limits of multipole mixing ratios, B(M1), spherical configurations. 146Sm; measured level T1/2 of the first 2+ state as a test case for measurements of short half-lives for levels in 146Eu. Comparison with shell model calculations using several different effective interactions, and with previous experimental results. Systematics of levels and B(M1) values in N=83 isotones 142Pr, 144Pm, 146Eu.

doi: 10.1103/PhysRevC.106.034307
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