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NSR database version of May 24, 2024.

Search: Author = Y.M.Zhao

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2024YI02      Phys.Rev. C 109, 024322 (2024)

X.Yin, C.Ma, Y.M.Zhao

Alternating-parity doublets of even-even Ba isotopes

doi: 10.1103/PhysRevC.109.024322
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2023MA17      Phys.Rev. C 107, 034316 (2023)

C.Ma, Y.Lu, Y.Lei, Y.M.Zhao

β-decay half-lives of the r-process waiting-point isotones of N=8 and 82 nuclei

RADIOACTIVITY 131,130In, 130,129Cd, 129,128Ag, 128,127Pd, 127,126Rh, 126,125Ru, 125,124Tc, 124,123Mo, 123,122Nb, 122,121Zr, 121,120Y, 120,119Sr(β-); calculated T1/2, Gamow-Teller decay rates from the ground state. 125mTc, 123mNb, 129mCd, 127mPd, 125mRu, 123mMo, 121mZr, 119mSr(β-); calculated isomers states T1/2. Nucleon-pair approximation (NPA) method assuming S pair condensation in the ground state of parent nuclei. Comparison to available experimental data and other theoretical calculation (shell-model, QRPA, RQRPA+RHB).

NUCLEAR STRUCTURE 130Sn, 129,130Cd, 130,131In, 129Ag, 127Rh, 125Tc, 123Nb, 121Y; calculated levels J, π, occupation probability of the proton orbits. Shell-model calculations.

NUCLEAR MOMENTS 131,129In, 131Sn, 129,127Ag, 129Cd, 127,125Rh, 127Pd, 125Ru, 125,123Tc, 123,121Nb, 123Mo, 121Zr, 121,119Y, 119Sr; calculated electrical quadrupole moments, magnetic moments. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.034316
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2023MA42      Phys.Rev. C 108, 034308 (2023)

C.Ma, X.Yin, Y.M.Zhao

State-of-the-art nucleon-pair approximation to the nuclear shell model

doi: 10.1103/PhysRevC.108.034308
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2023PA19      Chin.Phys.C 47, 064102 (2023)

Y.-F.Pan, Y.-Y.Cheng, Y.Lu, H.Jiang, X.-R.Zhou, Y.-M.Zhao

Robustness of pair structures for nuclear yrast states

NUCLEAR STRUCTURE 28Si, 50Cr, 132Xe; calculated energy levels, J, π, quadrupole moments, yrast states using the nucleon-pair approximation (NPA) and shell-model effective interactions. Comparison with available data.

doi: 10.1088/1674-1137/acc1cc
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2022LI07      Phys.Rev. C 105, L021305 (2022)

M.Q.Lin, C.Ma, Y.M.Zhao

Evolution of collectivity and neutron-proton interactions

NUCLEAR STRUCTURE Z=28-82, N=50-82; Z=50-82, N=82-126; analyzed energies of first 2+, 4+ states, integrated neutron-proton interactions Vnp; deduced correlation between the evolution of collective motions and Vnp.

doi: 10.1103/PhysRevC.105.L021305
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2022SH45      Phys.Rev. C 106, L061304 (2022)

R.Shou, X.Yin, C.Ma, M.Q.Lin, Y.M.Zhao

Simple corrections in theoretical models of atomic masses and nuclear charge radii

ATOMIC MASSES Z=29-110; N=20-160; A=49-270; analyzed systematic root mean square deviations of mass excesses, S(n), and S(p) between their experimental values from AME2020, and theoretical values from Hartree-Fock-Bogoliubov (HFB31), relativistic mean field (RMF), Duflo-Zuker (DZ), and Weizsaker-Skyrme (WS4+RBF) models using strong and specific correlations of these deviations, and deducing Pearson correlation coefficients for 3258 neutron- and proton-rich nuclei listed in the Supplemental Material of the paper.

NUCLEAR STRUCTURE Z=29-59; Z=61-64; Z=66; Z=68-76; Z=78, 79; Z=81-84; Z=86-88; Z=90, 92, 95, 96; analyzed systematic root mean square deviations of charge radii between their experimental values taken from 2021Li25 (Atomic Data and Nuclear Data Tables 140, 101440 (2021)), and theoretical values from Hartree-Fock-Bogoliubov (HFB31), relativistic mean field (RMF), relativistic continuum Hartree-Bogoliubov (RCHB), and Weizsaker-Skyrme (WS*) models using strong and specific correlations of these deviations, and deducing Pearson correlation coefficients for neutron- and proton-rich nuclei listed in the Supplemental Material of the paper.

doi: 10.1103/PhysRevC.106.L061304
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2022YI02      Phys.Rev. C 105, 064304 (2022)

X.Yin, R.Shou, Y.M.Zhao

Atomic masses of nuclei with neutron numbers N < 126 and proton numbers Z < 82

ATOMIC MASSES 186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209Bi, 186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210Po, 190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211At, 190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212Rn, 196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213Fr, 195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214Ra, 203,204,205,206,207,208,209,210,211,212,213,214,215Ac, 201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216Th, 209,210,211,212,213,214,215,216,217Pa, 207,208,209,210,211,212,213,214,215,216,217,218U; calculated mass excess, S(p), S(2p), α-decay Q-value. Empirical formula with neutron-proton residual interaction extracted from AME2021 data. Comparison to AME2021 values.

doi: 10.1103/PhysRevC.105.064304
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2022ZO01      Phys.Rev. C 105, 034321 (2022)

Y.Y.Zong, C.Ma, M.Q.Lin, Y.M.Zhao

Mass relations of mirror nuclei for both bound and unbound systems

ATOMIC MASSES 3He, 6,7Be, 8,9B, 8,9,10,11C, 11,12,13N, 11,12,13,14,15O, 14,15,16,17F, 14,15,16,17,18,19Ne, 17,18,19,20,21Na, 17,18,19,20,21,22,23Mg, 20,21,22,23,24,25Al, 21,22,23,24,25,26,27Si, 23,24,25,26,27,28,29P, 24,25,26,27,28,29,30,31S, 27,28,29,30,31,32,33Cl, 28,29,30,31,32,33,34,35Ar, 31,32,33,34,35,36,37K, 32,33,34,35,36,37,38,39Ca, 35,36,37,38,39,40,41Sc, 36,37,38,39,40,41,42,43Ti, 39,40,41,42,43,44,45V, 40,41,42,43,44,45,46,47Cr, 43,44,45,46,47,48,49Mn, 44,45,46,47,48,49,50,51Fe, 47,48,49,50,51,52,53Co, 48,49,50,51,52,53,54,55Ni, 50,51,52,53,54,55,56,57Cu, 52,53,54,55,56,57,58,59Zn, 54,55,56,57,58,59,60,61Ga, 56,57,58,59,60,61,62,63Ge, 60,61,62,63,64,65As, 62,63,64,65,66,67Se, 65,66,67,68,69Br, 67,68,69,70,71Kr, 70,71,72,73Rb, 71,72,73,74,75Sr, 74,75,76,77Y, 75,76,77,78,79Zr, 78,79,80,81Nb, 79,80,81,82,83Mo, 82,83,84,85Tc, 84,85,86,87Ru, 86,87,88,89Rh, 88,89,90,91Pd, 90,91,92,93Ag, 92,93,94,95Cd, 94,95,96,97In, 96,97,98,99Sn; calculated S(p), S(2p), mass excesses for proton-rich systems, both inside and outside the proton drip line, in terms of mass relations for mirror nuclei, based on Weizsacker mass formula. Comparison with available evaluated experimental data from AME2020, and deduced root-mean-square deviations (RMSD).

doi: 10.1103/PhysRevC.105.034321
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2021MA33      Phys.Rev. C 103, 054326 (2021)

C.Ma, Y.Y.Zong, S.Q.Zhang, J.Li, K.Wang, Y.M.Zhao, A.Arima

Mass relations of mirror nuclei in terms of Coulomb energies based on relativistic continuum Hartree-Bogoliubov calculations

ATOMIC MASSES 18,19Ne, 19,20,21Na, 20,21,22,23Mg, 21,22,23,24,25Al, 22,23,24,25,26,27Si, 24,25,26,27,28,29P, 27,28,29,30,31S, 29,30,31,32,33Cl, 32,33,34,35Ar, 33,34,35,36,37K, 35,36,37,38,39Ca, 38,39,40,41Sc, 40,41,42,43Ti, 41,42,43,44,45V, 43,44,45,46,47Cr, 44,45,46,47,48,49Mn, 46,47,48,49,50,51Fe, 49,50,51,52,53Co, 50,51,52,53,54,55Ni, 53,54,55,56,57Cu, 56,57,58,59Zn, 59,60,61Ga, 60,61,62,63Ge, 62,63,64,65As, 65,66,67Se, 67,68,69Br, 69,70,71Kr, 71,72,73Rb, 73,74,75Sr, 75,76,77Y, 78,79Zr, 81Nb, 83Mo, 85Tc, 87Ru; calculated mass excesses, S(p), S(2p) of mirror nuclei, including masses of 61 unknown proton-rich nuclei, in terms of Coulomb energies based on relativistic continuum Hartree-Bogoliubov (RCHB) method. Numerical values listed in Supplemental material of the paper. Comparison with values in AME2016 database.

doi: 10.1103/PhysRevC.103.054326
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2021MA43      Phys.Rev. C 104, 014303 (2021)

C.Ma, Y.Y.Zong, Y.M.Zhao, A.Arima

Evaluation of nuclear charge radii based on nuclear radii changes

NUCLEAR STRUCTURE N=8-160; analyzed evaluated experimental data for nuclear charge-radii changes for two isotopes taken from 2013An02 database and later experimental results, and compared with the theoretical calculations based on HFB-31, RCHB, RMF+BCS and WS* models; deduced root-mean-square deviations (RMSD). Z=12, N=21-26, 30; Z=16, N=21-32, 34; Z=17, N=21-34; Z=18, N=20-36; Z=19, N=20-36; Z=20, N=20-38; Z=21, N=20-40; Z=22, N=20-43; Z=23, N=21-26, 27, 29-43; Z=24, N=20-43; Z=25, N=22-45; Z=26, N=21-46; Z=27, N=24-31, 33-46; Z=28, N=22-51; Z=29, N=28-51; Z=30, N=26-55; Z=31, N=30-64; Z=32, N=29-59; Z=33, N=33-41, 43-57; Z=34, N=31-63; Z=35, N=35-61; Z=36, N=33-71; Z=37, N=37-67; Z=38, N=36-72, 75-77; Z=39, N=39-78; Z=40, N=38-77; Z=41, N=41-77; Z=42, N=40-81; Z=44, N=42-75; Z=45, N=45-57, 59-73; Z=46, N=44-79; Z=47, N=47-77; Z=48, N=46-87; Z=49, N=50-93; Z=50, N=49-96; Z=51, N=57-87; Z=52, N=54-99; Z=53, N=59-89; Z=54, N=56-107; Z=55, N=61-106; Z=56, N=58-107; Z=57, N=63-97; Z=58, N=63-105; Z=59, N=67-81, 83-97; Z=60, N=63-105; Z=62, N=67-87, 90-107; Z=63, N=71-87, 90-111; Z=64, N=69-87, 90-111; Z=66, N=90-113; Z=67, N=78-87, 90-113; Z=68, N=76-117; Z=69, N=81-118; Z=70, N=78-122; Z=71, N=84-123; Z=72, N=83-125; Z=73, N=123; Z=74, N=91-127; Z=75, N=95-127; Z=76, N=93-131; Z=78, N=108-135; Z=79, N=108-135; Z=80, N=94-141; Z=81, N=103-142; Z=82, N=98-147; Z=84, N=105-149; Z=86, N=108-151; Z=87, N=115-155; Z=88, N=111-155; Z=90, N=122-155; Z=92, N=126-155; Z=94, N=132-155; Z=95, N=131-155; Z=96, N=131-155; calculated nuclear charge radii by using δRk values based on empirical formula in the present work and the WS* model for 1647 nuclei listed in the Supplemental Material of the paper.

doi: 10.1103/PhysRevC.104.014303
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2020BA04      Phys.Rev. C 101, 014316 (2020)

M.Bao, H.Jiang, Y.M.Zhao, A.Arima

Low-lying states of even-even N=80 isotones within the nucleon-pair approximation

NUCLEAR STRUCTURE 130Sn, 132Te, 134Xe, 136Ba, 138Ce; calculated levels, J, π, B(E2), g factors, configurations and wave functions, Matrix elements for nucleon-pair basis states, overlap squared between the proton and neutron excitation configuration, and the NPA wave function using nucleon-pair approximation (NPA) of the shell model. Comparison with experimental data, and with other theoretical predictions.

doi: 10.1103/PhysRevC.101.014316
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2020BA34      Phys.Rev. C 102, 014306 (2020)

M.Bao, Y.Y.Zong, Y.M.Zhao, A.Arima

Local relations of nuclear charge radii

NUCLEAR STRUCTURE Z=28-96;N=28-126; calculated nuclear charge radii using three approaches: δRin-jp relations based on the independent particle shell model, δRnn relation from nonpairing interaction δVnn in nuclear binding energies, and linear dependence of nuclear charge radii in terms of valence nucleon numbers. Comparison with experimental data evaluated in CR2013 database of 944 nuclei. Z=28, A=56-81; Z=29, A=57-86; Z=30, A=58-86; Z=31, A=59-88; Z=32, A=60-89; Z=33, A=65-90; Z=34, A=65-91; Z=35, A=69-92; Z=36, A=69-96; Z=37, A=72-98; Z=38, A=72-100; Z=39, A=76-102; Z=40, A=77-102; Z=41, A=80-103; Z=42, A=80-108; Z=44, A=86-126; Z=45, A=93-130; Z=46, A=92-130; Z=47, A=94-133; Z=48, A=95-134; Z=49, A=98-135; Z=50, A=99-136; Z=51, A=111-137; Z=52, A=106-138; Z=53, A=117-139; Z=54, A=109-146; Z=55, A=115-146; Z=56, A=115-148; Z=57, A=125-143; Z=58, A=126-148; Z=59, A=131-145; Z=60, A=128-150; Z=62, A=131-154; Z=63, A=133-159; Z=64, A=135-160; Z=65, A=147-159; Z=66, A=146-173; Z=67, A=151-173; Z=68, A=150-177; Z=69, A=153-184; Z=70, A=152-188; Z=71, A=161-189; Z=72, A=163-196; Z=73, A=171-203; Z=74, A=170-204; Z=75, A=185-207; Z=76, A=175-208; Z=77, A=182-209; Z=78, A=178-210; Z=79, A=183-211; Z=80, A=181-214; Z=81, A=183-209; Z=82, A=182-216; Z=83, A=202-213; Z=84, A=192-220; Z=86, A=195-227; Z=87, A=206-228; Z=88, A=205-232; Z=90, A=226-236; Z=92, A=229-238; Z=94, A=235-244; Z=95, A=241-245; Z=96, A=242-248; calculated unknown nuclear charge radii for 830 nuclei using the same three approaches, and listed in a data file in the Supplementary material of the paper.

doi: 10.1103/PhysRevC.102.014306
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2020LI06      Phys.Rev. C 101, 024305 (2020)

P.F.Liang, L.J.Sun, J.Lee, S.Q.Hou, X.X.Xu, C.J.Lin, C.X.Yuan, J.J.He, Z.H.Li, J.S.Wang, D.X.Wang, H.Y.Wu, Y.Y.Yang, Y.H.Lam, P.Ma, F.F.Duan, Z.H.Gao, Q.Hu, Z.Bai, J.B.Ma, J.G.Wang, F.P.Zhong, C.G.Wu, D.W.Luo, Y.Jiang, Y.Liu, D.S.Hou, R.Li, N.R.Ma, W.H.Ma, G.Z.Shi, G.M.Yu, D.Patel, S.Y.Jin, Y.F.Wang, Y.C.Yu, Q.W.Zhou, P.Wang, L.Y.Hu, X.Wang, H.L.Zang, P.J.Li, Q.Q.Zhao, H.M.Jia, L.Yang, P.W.Wen, F.Yang, G.L.Zhang, M.Pan, X.Y.Wang, H.H.Sun, Z.G.Hu, R.F.Chen, M.L.Liu, W.Q.Yang, Y.M.Zhao

Simultaneous measurement of β-delayed proton and γ emission of 26P for the 25Al(p, γ)26Si reaction rate

RADIOACTIVITY 26P(β+), (β+p)[from 9Be(32S, X), E=806 MeV/nucleon, followed by in-flight separation by the RIBLL1 fragment separator at HIRFL-Lanzhou]; measured E(p), I(p), Eγ, Iγ, βp- and βγ-coin, half-life of the decay of 26P from correlated events of 26P implants and successive decays using three double-sided silicon strip detectors (DSSDs), five Clover-type HPGe detectors, and five quadrant silicon detectors (Q SDs). 26Si; deduced levels, J, π, Γp and Γγ of 5929, 3+ state. Comparison with previous experimental data, and with shell-model calculations.

NUCLEAR REACTIONS 9Be(32S, X)22Na/23Mg/24Al/25Si/26P, E=806 MeV/nucleon; measured reaction products and TOF-ΔE spectrum using in-flight separation by the RIBLL1 fragment separator at HIRFL-Lanzhou. 25Al(p, γ)26Si, T=0.03-1.1 GK; deduced energies and strengths of resonances, corresponding astrophysical reaction rates, and compared with data in JINA REACLIB database.

doi: 10.1103/PhysRevC.101.024305
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020MA19      Phys.Rev. C 101, 045204 (2020)

C.Ma, M.Bao, Z.M.Niu, Y.M.Zhao, A.Arima

New extrapolation method for predicting nuclear masses

ATOMIC MASSES 121Rh, 123Pd, 129,131Cd, 138Sb, 141I, 149Ba, 150,151La, 137Eu, 190Tl, 215Pb, 194Bi, 198At, 197,198,202,232,233Fr, 201Ra, 205,206Ac, 215,216,221,222U, 219Np, 229Am, 259No; A=20-260; Z=36-106, N=56-160; calculated mass excesses using method based on the Garvey-Kelson mass relations and the Jannecke mass formulas. Comparison with evaluated data in AME2016, and other theoretical predictions over the entire chart of nuclides. Z=43-106, A=120-273; predicted masses in Supplemental material for about 600 nuclei for which no experimental data exist. Z=8-106, N=10-157; deduced parameters for each prediction of masses based on AME2016, listed in Supplemental material.

doi: 10.1103/PhysRevC.101.045204
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2020MA35      Phys.Rev. C 102, 024330 (2020)

C.Ma, Y.Y.Zong, Y.M.Zhao, A.Arima

Mass relations of mirror nuclei with local correlations

ATOMIC MASSES 41Ti, 43,44V, 45Cr, 47,48Mn, 49Fe, 51,52Co, 53Ni, 55,56Cu; calculated extrapolated mass excesses by analyzing correlations between deviations between theoretical results and experimental data, the latter from AME1995 and AME2016. 34Ca, 38,39Ti, 42Cr, 59Ge, 66Kr, 70,71Sr; calculated Q(2p) and Q(p) for proton-rich nuclei. Z=12-38, N=6-38; predicted proton and diproton drip lines based on predicted masses in the present work. 34Ca, 38,39Ti, 42Cr, 59Ge, 66Kr, 70,71Sr; predicted 2p emitters. 19Mg, 45Fe, 48Ni, 54Zn, 67Kr; experimentally suggested to be 2p emitters, consistent with predictions in the present work. Z=10-44, N=8-37, A=18-81; calculated mass excesses of 292 proton-rich nuclei and compared with available mass excesses in AME2016. Examined mass relations of mirror nuclei with local correlations, with odd-even staggering of Coulomb energy.

doi: 10.1103/PhysRevC.102.024330
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2020ZO03      Phys.Rev. C 102, 024302 (2020)

Y.Y.Zong, C.Ma, Y.M.Zhao, A.Arima

Mass relations of mirror nuclei

ATOMIC MASSES Z=11-47, N=10-43, A=21-90; analyzed mass relations of mirror nuclei by comparing theoretical values and AME2016 evaluated data through root-mean squared deviations (RMSD); predicted mass excesses of experimentally inaccessible proton-rich nuclei.

doi: 10.1103/PhysRevC.102.024302
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2019CH32      Phys.Rev. C 100, 014318 (2019)

Y.-Y.Cheng, J.-Ji.Shen, G.-J.Fu, X.-R.Zhou, Y.-M.Zhao, A.Arima

Nucleon-pair wave functions in a single-J shell

doi: 10.1103/PhysRevC.100.014318
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2019CH35      Phys.Rev. C 100, 024321 (2019)

Y.-Y.Cheng, H.Wang, J.-J.Shen, X.-R.Zhou, Y.-M.Zhao, A.Arima

Nucleon-pair picture of low-lying states in semi-magic and open-shell nuclei

NUCLEAR STRUCTURE 43,44,45,46,47,48Ca, 130Pd, 131Ag, 132Cd; calculated level energies vs spin for negative-parity yrast states of odd-mass Ca and positive-parity yrast states for even mass Ca isotopes, overlaps between one-dimensional nucleon-pair wave functions and corresponding shell-model wave functions, nucleon-pair wave functions using the framework of nucleon-pair approximation (NPA) of the shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024321
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2019YU03      Phys.Rev. C 100, 014314 (2019)

H.C.Yu, M.Q.Lin, M.Bao, Y.M.Zhao, A.Arima

Empirical formulas for nuclear separation energies

NUCLEAR STRUCTURE 70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100Zn, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137Mo, 151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186Ba, 204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239W; calculated S(n) and S(p) using empirical formulas. Comparison with AME-2016 evaluation, and with other theoretical model predictions.

doi: 10.1103/PhysRevC.100.014314
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2019ZO02      Phys.Rev. C 100, 054315 (2019)

Y.Y.Zong, M.Q.Lin, M.Bao, Y.M.Zhao, A.Arima

Mass relations of corresponding mirror nuclei

ATOMIC MASSES 21Na, 22,23Mg, 23,24,25Al, 24,25,26,27Si, 26,27,28,29P, 28,29,30,31S, 30,31,32,33Cl, 32,33,34,35Ar, 34,35,36,37K, 36,37,38,39Ca, 38,39,40,41Sc, 40,41,42,43Ti, 42,43,44,45V, 44,45,46,47Cr, 46,47,48,49Mn, 48,49,50,51Fe, 50,51,52,53Co, 52,53,54,55Ni, 54,55,56,57Cu, 56,57,58,59Zn, 58,59,60,61Ga, 60,61,62,63Ge, 62,63,64,65As, 64,65,66,67Se, 66,67,68,69Br, 68,69,70,71Kr, 70,71,72,73Rb, 72,73,74,75Sr, 74,75,76,77Y, 76,77,78,79Zr, 79,80Nb, 81,83Mo, 83,85Tc, 85,86,87Ru, 87,88Rh, 89Pd; calculated mass excesses, S(n), S(p) using mass relations for corresponding mirror nuclei, and compared with AME2016 values; deduced regularities related to neutron-proton interactions, and to separation energies for mirror nuclei.

doi: 10.1103/PhysRevC.100.054315
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2018CH05      Phys.Rev. C 97, 024303 (2018)

Y.Y.Cheng, Y.M.Zhao, A.Arima

Nucleon-pair approximation with particle-hole excitations

NUCLEAR STRUCTURE 100Sn; calculated energies and B(E2) of the yrast states up to 6+ with both proton and neutron particle-hole excitations up to 4p-4h. Multiple-major-shell nucleon pair approximation (NPA) calculations with particle-hole excitations, where particles and holes are treated simultaneously.

doi: 10.1103/PhysRevC.97.024303
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2018FU04      Phys.Rev. C 97, 024337 (2018)

G.J.Fu, Y.M.Zhao, A.Arima

Pair correlations in low-lying T=0 states of odd-odd nuclei with six nucleons

NUCLEAR STRUCTURE 22Na, 34Cl, 46V, 62Ga, 94Ag; calculated overlaps between the pair-truncated wave functions and the shell-model wave functions, level energies, J, π, electric quadrupole moments of T=0 yrast states for N=Z nuclei, total isovector and isoscalar correlation energies. Shell-model calculations with USDB interaction for 22Na and 34Cl, GXPF1 for 46V, and JUN45 for 62Ga and 94Ag, and S-broken-pair approximation, the isoscalar spin-1 pair condensation, and the isoscalar spin-aligned pair condensation, using schematic interactions.

doi: 10.1103/PhysRevC.97.024337
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2018FU06      Phys.Rev. C 97, 024339 (2018)

G.J.Fu, Y.Y.Cheng, Y.H.Zhang, P.Zhang, P.Shuai, Y.M.Zhao, M.Wang

New local mass relation for isobaric analogue states and isospin-nonconserving forces

ATOMIC MASSES A=20-60; A=41-52; derived a new local mass relation for isobaric analog states of four neighboring nuclei, and compared with AME-2012 and IAS-2014 evaluations; discussed empirical Coulomb energy formula and the isobaric multiplet mass equation (IMME), and odd-even staggering of the IMME coefficients.

doi: 10.1103/PhysRevC.97.024339
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2018FU13      Phys.Rev. C 98, 034301 (2018)

G.J.Fu, Y.Zhang, Y.M.Zhao, A.Arima

Collective modes of low-lying states in the interacting boson model with random interactions

doi: 10.1103/PhysRevC.98.034301
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2017BA11      Phys.Rev. C 95, 044310 (2017)

M.Bao, Y.Y.Cheng, Y.M.Zhao, A.Arima

Local mass relations and the NpNn scheme

NUCLEAR STRUCTURE Z=82-104, N=126-155; analyzed Casten¬Ěs NpNn scheme for nuclear masses, and charge radii of four neighboring nuclei. N=10-160; analyzed energies and B(E2) for the first 2+ states of four neighboring even-even nuclei.

doi: 10.1103/PhysRevC.95.044310
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2017CH44      J.Phys.(London) G44, 115102 (2017)

Y.Y.Cheng, H.Jiang, Y.M.Zhao, A.Arima

Improved mass extrapolations by the Garvey-Kelson relations

NUCLEAR STRUCTURE N=1-160; calculated binding energy uncertainties, separation energies. Comparison with AME95, AME03 mass tables.

doi: 10.1088/1361-6471/aa8a25
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2017FU09      Phys.Rev. C 96, 044306 (2017)

G.J.Fu, L.Y.Jia, Y.M.Zhao, A.Arima

Monopole pairing correlations with random interactions

doi: 10.1103/PhysRevC.96.044306
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2016BA03      Phys.Rev. C 93, 014307 (2016)

M.Bao, Y.M.Zhao, A.Arima

Number of states for identical particles

doi: 10.1103/PhysRevC.93.014307
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2016BA54      Phys.Rev. C 94, 044323 (2016)

M.Bao, Y.Lu, Y.M.Zhao, A.Arima

Simple relations between masses of mirror nuclei

ATOMIC MASSES A=3-110; Z=2-56, N=1-54; deduced a relation between difference of neutron and proton separation energies, and difference of Coulomb energies between two mirror nuclei; deduced mass excesses of nuclei and compared with AME-2012 values.

doi: 10.1103/PhysRevC.94.044323
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2016BA64      Phys.Rev. C 94, 064315 (2016)

M.Bao, Y.Lu, Y.M.Zhao, A.Arima

Predictions of nuclear charge radii

NUCLEAR STRUCTURE Z=6-95, N=10-150; analyzed charge radii for nuclei using empirical formulas and CR1999, CR2004 and CR2013 databases for charge radii; predicted values for unknown charge radii of ground states of 1085 nuclei.

doi: 10.1103/PhysRevC.94.064315
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2016CH31      Phys.Rev. C 94, 024307 (2016)

Y.Y.Cheng, Y.M.Zhao, A.Arima

Nucleon-pair states of even-even N=82 isotones

NUCLEAR STRUCTURE 134Te, 136Xe, 138Ba, 140Ce, 142Nd; calculated levels, J, π, B(E2), B(E3), magnetic dipole moments, first and second 6+ states. Framework of the nucleon-pair approximation (NPA) of the shell model, with full shell-model (SM) space and truncated NPA space. Comparison with experimental values taken from the ENSDF database.

doi: 10.1103/PhysRevC.94.024307
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2016CH32      Phys.Rev. C 94, 024321 (2016)

Y.Y.Cheng, C.Qi, Y.M.Zhao, A.Arima

Nucleon-pair states of even-even Sn isotopes based on realistic effective interactions

NUCLEAR STRUCTURE 104,106,108,128,126,124Sn; calculated levels, yrast states, J, π, B(E2), magnetic dipole moments, neutron-hole occupation number of the pseudo 13/2+ and 17/2- shells. Discussed seniority scheme. Monopole-optimized effective interactions based on the realistic CD-Bonn nucleon-nucleon potential, within the frameworks of the nucleon-pair approximation (NPA) and shell model (SM). Comparison with experimental values taken mainly from the ENSDF database.

doi: 10.1103/PhysRevC.94.024321
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2016FU05      Phys.Rev. C 94, 024312 (2016)

G.J.Fu, Y.Y.Cheng, H.Jiang, Y.M.Zhao, A.Arima

Odd-even staggering of binding energy for nuclei in the sd shell

NUCLEAR STRUCTURE 18,19,20,21,22,23,24,25F, 20,21,22,23,24,25,26,27,28Ne, 22,23,24,25,26,27,28,29Na, 24,25,26,27,28,29,30Mg, 26,27,28,29,30,31Al, 28,29,30,31,32,33,34Si, 30,31,32,33,34,35P, 32,33,34,35,36S, 34,35,36,37Cl, 36,37,38Ar, 38,39K; calculated ground-state energies, empirical proton-neutron interactions, Wigner energy coefficients, S(n); deduced odd-even staggering phenomena of nuclear binding energies. Shell model with the USDB interaction.

doi: 10.1103/PhysRevC.94.024312
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2016FU06      Phys.Rev. C 94, 024336 (2016)

G.J.Fu, Y.Y.Cheng, Y.M.Zhao, A.Arima

Shell model study of T=0 states for 96Cd by the nucleon-pair approximation

NUCLEAR STRUCTURE 96Cd; calculated low-lying isospin=0, levels, J, π, B(E2), magnetic dipole and electric quadrupole moments using several different approaches: shell model with JUN45 interaction, lowest seniority scheme, spin-aligned pair approximation, Jmax pair approximation, spin-one pair approximation, isovector and isoscalar pair approximations.

doi: 10.1103/PhysRevC.94.024336
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2016JI16      Phys.Rev. C 94, 064301 (2016)

H.Jiang, Y.Y.Cheng, N.Wang, Li.-W.Chen, Y.M.Zhao, A.Arima

Robustness of the I4 symmetry energy coefficient

ATOMIC MASSES A=16-300, Z>8, N>8; analyzed I4 symmetry energy coefficient extracted from popular mass models and corresponding databases improved by the radial basis function (RBF) approach and the RBF with odd-even correction; deduced robust linear correlation between present I4 symmetry energy coefficients and the corresponding rms deviations from experimental masses of these theoretical databases.

doi: 10.1103/PhysRevC.94.064301
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2015CH10      Phys.Rev. C 91, 024313 (2015)

Y.Y.Cheng, M.Bao, Y.M.Zhao, A.Arima

Wigner energy and nuclear mass relations

ATOMIC MASSES A=5-80; 58Cu, 98In; calculated Wigner energy, pairing and symmetry energies, binding-energy difference between the lowest T=0 and T=1 states of odd-odd N=Z nuclei by using local mass relations, in the first-order approximation. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.024313
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2015CH11      Phys.Rev. C 91, 024314 (2015)

Y.Y.Cheng, Y.M.Zhao, A.Arima

Odd-even staggering in the neutron-proton interaction and nuclear mass models

ATOMIC MASSES A=60-250; analyzed odd-even staggering of the empirical neutron-proton interaction between the last neutron and the last proton δV1n-1p between even-even, odd-odd, even-odd and odd-even nuclei, and their consequences in Garvey-Kelson (GKs), Duflo-Zuker (DZ) and Weizsacker-Skyrme (WS) mass models. Description of binding energies and S(n), using AME-2012 mass data.

doi: 10.1103/PhysRevC.91.024314
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2015CH63      Phys.Rev. C 92, 064320 (2015)

Y.Y.Cheng, Y.Lei, Y.M.Zhao, A.Arima

Low-lying states of the 132Ba nucleus within the nucleon-pair approximation

NUCLEAR STRUCTURE 132Ba; calculated levels, J, π, bands, B(E2), g factors, configurations, band crossings and backbends. Nucleon-pair approximation of the shell model with five neutron configuration spaces. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.064320
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2015FU05      Phys.Rev. C 91, 054318 (2015)

G.J.Fu, Y.M.Zhao, A.Arima

Quartet structure in atomic nuclei

NUCLEAR STRUCTURE 92Pd; calculated quartet correlation in the ground state in the p1/2p3/2f5/2g9/2 shell using JUN45 effective interaction; deduced validity of the stretch scheme, tightly bound cluster character of quartet, and weak interaction between the two quartets.

doi: 10.1103/PhysRevC.91.054318
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2015FU06      Phys.Rev. C 91, 054319 (2015)

G.J.Fu, J.J.Shen, Y.M.Zhao, A.Arima

Regularities in low-lying states of atomic nuclei with random interactions

doi: 10.1103/PhysRevC.91.054319
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2015FU07      Phys.Rev. C 91, 054322 (2015)

G.J.Fu, Y.M.Zhao, A.Arima

Nucleon-pair approximations for low-lying states of even-even N=Z nuclei

NUCLEAR STRUCTURE 20Ne, 24Mg, 32S, 36Ar, 44Ti, 48Cr, 60Zn, 64Ge, 92Pd, 96Cd; calculated ground-state energies, overlaps between the pair-condensation wave function and the shell-model wave function for N=Z nuclei. Isovector and isoscalar pair approximation calculations for low-lying T=0 states of an eight-nucleon system, with both schematic and realistic interactions. Effect of spin-orbit coupling potential on the isovector and isoscalar pair condensations.

doi: 10.1103/PhysRevC.91.054322
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2015JI06      Phys.Rev. C 91, 054302 (2015)

H.Jiang, N.Wang, L.-W.Chen, Y.M.Zhao, A.Arima

Model dependence of the I4 term in the symmetry energy for finite nuclei

doi: 10.1103/PhysRevC.91.054302
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2015LU01      Phys.Rev. C 91, 027301 (2015)

Y.Lu, Y.M.Zhao, A.Arima

Spin I ground state probabilities of integrable systems under random interactions

doi: 10.1103/PhysRevC.91.027301
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2015WA14      Phys.Rev. C 91, 044308 (2015)

N.Wang, M.Liu, H.Jiang, J.L.Tian, Y.M.Zhao

Mass dependence of symmetry energy coefficients in the Skyrme force

ATOMIC MASSES A=160; A=20-300; A=20-106; analyzed properties of nuclear symmetry energy as function of mass using the extended Thomas-Fermi (ETF2) approximation and 36 different Skyrme forces. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.91.044308
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2015YD01      Phys.Rev. C 91, 014307 (2015)

E.Ydrefors, J.Suhonen, Y.M.Zhao

Neutrino-nucleus scattering off 136Xe

NUCLEAR REACTIONS 136Xe(ν, X), (ν-bar, X), E=5.0-100.0 MeV; calculated σ(E) for the neutral-, and charge-current neutrino and antineutrino scatterings. 136Xe(ν, ν)136Xe; 136Xe(ν, e-)136Cs; 136Xe(ν-bar, e+)136I; E not given; calculated σ(J) from the dominant multipole channels to the averaged cross section. Quasiparticle random-phase approximation (QRPA), and the pnQRPA to construct the initial and final nuclear states. Relevance to experiments on search for neutrinoless double β decay of 136Xe, and studies of supernova or solar neutrinos.

doi: 10.1103/PhysRevC.91.014307
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2014BA36      Phys.Rev. C 90, 024314 (2014)

M.Bao, Z.He, Y.M.Zhao, A.Arima

Simple relations for α-decay energies of neighboring nuclei

RADIOACTIVITY N=110-180, A>200(α); deduced simple relationships of α-decay energies for four neighboring nuclei based on the longitudinal Garvey-Kelson relation, and its odd-even features; deduced deviations of predicted Q(α) values in comparison with experimental data from AME-2012. 275,276,277,278,279,280,281Ds, 276,277,279,280,281,282,283,284,285Rg, 278,279,280,281,282,283,284,285,286,287Cn, 280,282,283,284,285,286,287,288,289Nh, 283,284,285,286,287,288,289,290,291Fl, 285,286,287,288,289,290,291,292Mc, 287,288,289,290,291,292,293Lv, 290,291,292,293,294Ts, 292,293,294,295Og(α); deduced Q(α) using derived formula and half-lives from Viola-Seaborg-Sobiczewski (VSS) formula. Improved predictions for Q(α) values of nuclei in the superheavy element (SHE) region. Comparison with available experimental data.

doi: 10.1103/PhysRevC.90.024314
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2014CH25      Phys.Rev. C 89, 061304 (2014)

Y.Y.Cheng, Y.M.Zhao, A.Arima

Strong correlations of the Garvey-Kelson mass relations

ATOMIC MASSES N=40-160; analyzed odd-even staggering with respect to experimental data from AME-2012; deduced strong correlations in Garvey-Kelson mass relations originating from statistical odd-even feature of the interaction between the last proton and the last neutron in atomic nuclei.

doi: 10.1103/PhysRevC.89.061304
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2014CH53      Phys.Rev. C 90, 064304 (2014)

Y.Y.Cheng, Y.M.Zhao, A.Arima

Reconstitution of local mass relations

NUCLEAR STRUCTURE A>16; analyzed two-neutron separation energies using AME-2003 and AME-2012 evaluations; deduced new local mass relations and compared with Garvey-Kelson relations.

doi: 10.1103/PhysRevC.90.064304
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2014FU11      Phys.Rev. C 90, 054333 (2014)

G.J.Fu, Y.M.Zhao, A.Arima

Nucleon-pair approximation of low-lying states for N=Z nuclei

NUCLEAR STRUCTURE 20Ne, 24Mg; calculated levels, ground-state bands, J, π, B(E2). Shell model calculations with nucleon pair approximation, schematic and effective interactions and isospin symmetry Comparison with experimental results.

doi: 10.1103/PhysRevC.90.054333
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2014FU12      Phys.Rev. C 90, 064320 (2014)

G.J.Fu, Y.M.Zhao, A.Arima

Regularities of low-lying states with random interactions in the fermion dynamical symmetry model

doi: 10.1103/PhysRevC.90.064320
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2014HE31      Phys.Rev. C 90, 054320 (2014)

Z.He, M.Bao, Y.M.Zhao, A.Arima

Improved Janecke mass formula

ATOMIC MASSES Z>5, N>9; analyzed masses for 2275 nuclei with a new version of the Janecke formula. Comparison with predicted results of other mass models.

doi: 10.1103/PhysRevC.90.054320
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2014JI01      Phys.Rev. C 89, 014320 (2014)

H.Jiang, Y.Lei, C.Qi, R.Liotta, R.Wyss, Y.M.Zhao

Magnetic moments of low-lying states in tin isotopes within the nucleon-pair approximation

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; calculated energies, magnetic moments, and B(E2) of first 2+ states. 101,103,105,107,109,123,125,127,129,131Sn; calculated low-lying yrast levels, J, π, magnetic moment. Spin and orbital angular momentum contributions to magnetic moment. Nucleon-pair approximation (NPA) of shell model using standard multipole-multipole interaction. Comparisons with experimental data.

doi: 10.1103/PhysRevC.89.014320
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2014JI16      Phys.Rev. C 90, 064303 (2014)

H.Jiang, M.Bao, L.-W.Chen, Y.M.Zhao, A.Arima

I4 dependence in nuclear symmetry energy

doi: 10.1103/PhysRevC.90.064303
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2014LU03      Phys.Rev. C 89, 017301 (2014)

Y.Lu, Y.M.Zhao, A.Arima

Simple correction of nuclear mass models

ATOMIC MASSES A=40-260; analyzed deviations of calculated masses by popular theoretical models such as the Skyrme-Hartree-Fock-Bogoliubov approach, the Duflo-Zuker model, the finite range droplet model, and the Weizsacker-Skyrme model from experimental and evaluated values in AME-2012. Odd-even staggering in deviations.

doi: 10.1103/PhysRevC.89.017301
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2014LU15      Phys.Rev. C 90, 064313 (2014)

Y.Lu, Y.M.Zhao, N.Yoshida, A.Arima

Correlations between low-lying yrast states for sd bosons with random interactions

doi: 10.1103/PhysRevC.90.064313
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2014SU20      Phys.Rev. C 90, 054318 (2014)

B.H.Sun, Y.Lu, J.P.Peng, C.Y.Liu, Y.M.Zhao

New charge radius relations for atomic nuclei

NUCLEAR STRUCTURE A=20-225; analyzed rms charge radii for 296 stable isotopes; proposed simple relations for charge radii. Comparisons between predictions and experimental data, and with available theoretical calculations. Shape transition shape coexistence.

doi: 10.1103/PhysRevC.90.054318
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2013BA14      Phys.Rev. C 87, 044313 (2013)

M.Bao, Z.He, Y.M.Zhao, A.Arima

Empirical formulas for nucleon separation energies

NUCLEAR STRUCTURE N=20-160, Z=10-110; calculated deviations in S(n) and S(p) values with respect to experimental data in AME-2012. 70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105Zn, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142Mo, 151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191Ba, 229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269Au; calculated Sn using an empirical formula with symmetry energy corrections. Comparison with previous theoretical calculations, and with mass evaluations in AME-2003 and AME-2012.

doi: 10.1103/PhysRevC.87.044313
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2013BA60      Phys.Rev. C 88, 064325 (2013)

M.Bao, Z.He, Y.Lu, Y.M.Zhao, A.Arima

Generalized Garvey-Kelson mass relations

ATOMIC MASSES A>16; analyzed Garvey-Kelson mass relations with deviations from experimental data with a different parity of proton and neutron numbers; deduced eight new generalized Garvey-Kelson mass relations; odd-even staggering.

doi: 10.1103/PhysRevC.88.064325
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2013FU02      Phys.Rev. C 87, 044309 (2013)

G.J.Fu, J.J.Shen, Y.M.Zhao, A.Arima

Regularities of proton-neutron interactions for nuclei in the sd shell

NUCLEAR STRUCTURE 18,19,20,21,22,23,24,25F, 20,21,22,23,24,25,26,27,28Ne, 22,23,24,25,26,27,28,29Na, 24,25,26,27,28,29,30Mg, 26,27,28,29,30,31Al, 28,29,30,31,32,33,34Si, 30,31,32,33,34,35P, 32,33,34,35,36S, 34,35,36,37Cl, 36,37,38Ar, 38,39K, 58,59,60,61,62,63,64,65Cu, 60,61,62,63,64,65,66Zn, 62,63,64,65,66,67Ga, 64,65,66,67,68Ge, 66,67,68,69As, 68,69,70Se, 210,211,212,213,214,215Bi, 211,212,213,214,215,216Po, 212,213,214,215,216,217At, 213,214,215,216,217,218Rn, 214,215,216,217,218,219Fr, 215,216,217,218,219,220Ra, 216,217,218,219,220,221Ac, 217,218,219,220,221,222Th; calculated isoscalar and isovector valence proton-neutron interactions (Vpn) using the shell model, and comparison with empirical extraction from experimental binding energies. Odd-even staggering, Wigner effect. Discusses possible origin of the anomaly of proton-neutron interactions.

doi: 10.1103/PhysRevC.87.044309
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2013FU03      Phys.Rev. C 87, 044310 (2013)

G.J.Fu, Y.Lei, Y.M.Zhao, S.Pittel, A.Arima

Nucleon-pair approximation of the shell model with isospin symmetry

doi: 10.1103/PhysRevC.87.044310
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2013FU04      Phys.Rev. C 87, 044312 (2013)

G.J.Fu, J.J.Shen, Y.M.Zhao, A.Arima

Spin-aligned isoscalar pair correlation in 96Cd, 94Ag, and 92Pd

NUCLEAR STRUCTURE 92Pd, 94Ag, 96Cd; calculated wave functions of T=0 states, levels, J, π, isomers. Nucleon-pair approximation (NPA) of the shell model with JUN45 interaction for the p1/2p3/2f5/2g9/2 shell. Discussed level-inversion isomerism in 94Ag and 96Cd.

doi: 10.1103/PhysRevC.87.044312
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2013FU12      Phys.Rev. C 88, 037302 (2013)

G.J.Fu, Y.M.Zhao, J.L.Ping, A.Arima

Excited states of many-body systems in the fermion dynamical symmetry model with random interactions

doi: 10.1103/PhysRevC.88.037302
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2013FU14      Phys.Rev. C 88, 054303 (2013)

G.J.Fu, Y.M.Zhao, A.Arima

Spin-J nucleon-pair approximation with a J-pairing interaction for a single-j shell

doi: 10.1103/PhysRevC.88.054303
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2013HE12      Phys.Rev. C 87, 057304 (2013)

Z.He, M.Bao, Y.M.Zhao, A.Arima

New features of the Garvey-Kelson mass relations

doi: 10.1103/PhysRevC.87.057304
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2013JI03      Phys.Rev. C 87, 034313 (2013)

H.Jiang, F.Pan, Y.M.Zhao, A.Arima

Number of spin-I states for three identical particles in a single-j shell

doi: 10.1103/PhysRevC.87.034313
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2013JI16      Phys.Rev. C 88, 044332 (2013)

H.Jiang, C.Qi, Y.Lei, R.Liotta, R.Wyss, Y.M.Zhao

Nucleon pair approximation description of the low-lying structure of 108, 109Te and 109I

NUCLEAR STRUCTURE 104,106,108,109Te, 109I; calculated low-lying levels, J, π, ground-state bands of even-even nuclei, ground- and excited bands of odd-A nuclei, B(E2), B(M1), magnetic dipole moments, nucleon-pair wave functions using framework of nucleon pair approximation (NAP) of the nuclear shell model. Weak coupling and residual quadrupole-quadrupole interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.044332
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2013LE11      Phys.Rev. C 87, 039801 (2013)

Y.Lei, H.Jiang, Y.M.Zhao

Comment on "Pair-truncated shell-model analysis of nuclei around mass 130"

NUCLEAR STRUCTURE A=130; discussed previous literature on the structure of low-lying levels in A AP 130 nuclei.

doi: 10.1103/PhysRevC.87.039801
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2013LE13      Phys.Rev. C 87, 044331 (2013)

Y.Lei, G.J.Fu, Y.M.Zhao

Kπ=8- isomers of the N=74 isotones with the nucleon-pair approximation

NUCLEAR STRUCTURE 128Xe, 130Ba, 132Ce; calculated levels, J, π, B(E1), B(E2), B(E3), B(M1), B(M2), T1/2, magnetic moment, configurations of Kπ=8- isomers. Nucleon-pair approximation (NPA) calculations. Octupole vibration or quadrupole-octupole coupling. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.044331
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2013PI08      J.Phys.:Conf.Ser. 445, 012031 (2013)

S.Pittel, Y.Lei, G.J.Fu, Y.M.Zhao

Spherical to deformed shape transitions in the nucleon pair shell model

NUCLEAR STRUCTURE 142,144,146,148Ce; calculated levels, J, π, deformation, deformation energy, binding energy using nucleon-pair approximation of the shell model. Compared with available data.

doi: 10.1088/1742-6596/445/1/012031
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2012DI14      Phys.Rev. C 86, 034302 (2012)

B.Ding, H.X.Wang, H.Jiang, Y.H.Zhang, X.H.Zhou, Y.M.Zhao, S.T.Wang, M.L.Liu, G.S.Li, Y.Zheng, N.T.Zhang, H.B.Zhou, Y.J.Ma, Y.Sasakiz, K.Yamada, H.Ohshima, S.Yokose, M.Ishizuka, T.Komatsubara, K.Furuno

High-spin level scheme of doubly odd 128I

NUCLEAR REACTIONS 124Sn(7Li, 3n), E=28, 32 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO). 128I; deduced levels, J, π, bands, multipolarity, configurations. Comparison with nucleon pair approximation, and empirical shell-model calculations. Systematics of levels in doubly odd A=116-128 Iodine isotopes, and 11/2- states in A=117-127 Iodine, A=117-127 Te, and A=119-129 Xe isotopes.

doi: 10.1103/PhysRevC.86.034302
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2012FU11      Phys.Rev. C 86, 054303 (2012)

G.J.Fu, M.Bao, Z.He, H.Jiang, Y.M.Zhao, A.Arima

Pairing interactions and one-nucleon separation energies

NUCLEAR STRUCTURE Z=4-104, N=4-160; analyzed empirical proton-neutron, proton-proton, and neutron-neutron pairing and nonpairing interactions using binding energies and separation energies from 2011-AME pre-review database. Discussed Odd-even staggering of one-nucleon separation energies.

doi: 10.1103/PhysRevC.86.054303
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2012JI05      Phys.Rev. C 85, 024301 (2012)

H.Jiang, G.J.Fu, Y.M.Zhao, A.Arima

Volume and surface symmetry energy coefficients

NUCLEAR STRUCTURE A=2-290; analyzed double differences in experimental symmetry energies, volume and surface symmetry energy coefficients. Evidence of odd-even staggering.

doi: 10.1103/PhysRevC.85.024301
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2012JI07      Phys.Rev. C 85, 054303 (2012)

H.Jiang, G.J.Fu, B.Sun, M.Liu, N.Wang, M.Wang, Y.G.Ma, C.J.Lin, Y.M.Zhao, Y.H.Zhang, Z.Ren, A.Arima

Predictions of unknown masses and their applications

ATOMIC MASSES Z=1-184, N=1-184; analyzed masses for 1566 nuclei using extrapolation approach and shell correction term, S(n), S(2n), S(p), and S(2p); one-neutron and one-proton drip nuclei, R-process nucleosynthesis and astrophysical implications. Comparison with AME-2011 interim mass evaluation, and with Duflo-Zuker model. 85Mo, 87,88,89Tc, 123Ag, 140I, 222Po, 226,227,228Rn, 233,234Ra, 235Ac; compared predicted masses with measured values.

RADIOACTIVITY 248,249,250,251,252,253,254,255,256,257No, 251,252,253,254,255,256,257,258,259Lr, 253,254,255,256,257,258,259,260,261Rf, 255,256,257,258,259,260,261,262Db, 256,257,258,259,260,261,262,263Sg(α); calculated Q(α), half-life. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.054303
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2012JI09      Phys.Rev. C 86, 014327 (2012)

H.Jiang, G.J.Fu, M.Bao, Z.He, Y.M.Zhao, A.Arima

Nucleon separation energies in the valence correlation scheme

ATOMIC MASSES Z=29-104, N=39-154; analyzed S(n), S(p), S(2n), S(2p) using AME-2011; deduced linear relations between separation energies, odd-even staggering. Discussed predictive power of the simple relations.

doi: 10.1103/PhysRevC.86.014327
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2012JI13      Phys.Rev. C 86, 054304 (2012)

H.Jiang, Y.Lei, G.J.Fu, Y.M.Zhao, A.Arima

B(E2;0+1 → 2+1) values of even-even Sn isotopes

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; calculated energies and B(E2) values of first 2+ levels within the framework of the nucleon pair approximation (NPA) of the shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.054304
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2012LE21      J.Phys.:Conf.Ser. 381, 012107 (2012)

Y.Lei, S.Pittel, N.Sandulescu, A.Poves, B.Thakur, Y.M.Zhao

Systematic study of proton-neutron pairing correlations in the nuclear shell model

NUCLEAR STRUCTURE 44,46Ti, 48Cr; calculated levels, J, π, rotational ground-state band, mass excess. 48Cr calculated yrast band. Shell model including deformation, spin-orbit effects, isoscalar, isovector pairing. Compared to available data.

doi: 10.1088/1742-6596/381/1/012107
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2012LE22      J.Phys.:Conf.Ser. 387, 012018 (2012)

Y.Lei, S.Pittel, N.Sandulescu, A.Poves, B.Thakur, Y.M.Zhao

Systematic study of isoscalar and isovector pairing in the 2p1f shell

NUCLEAR STRUCTURE 44,46Ti, 48Cr; calculated levels, J, π, mass excess, ground band, yrast, yrare bands with isovector, isoscalar and SU(4) pairing. Levels compared with data.

doi: 10.1088/1742-6596/387/1/012018
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2012SH19      Phys.Rev. C 85, 064325 (2012)

J.J.Shen, Y.M.Zhao, A.Arima

New perturbation method of diagonalizing the nuclear shell model Hamiltonian

NUCLEAR STRUCTURE 24Mg, 28Si, 45,46Ti, 48Cr; calculated low-lying levels, J, π, B(E2), magnetic dipole and electric quadrupole moments. New perturbation method for obtaining the lowest eigenvalues of the nuclear-shell-model Hamiltonian.

doi: 10.1103/PhysRevC.85.064325
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2011FU09      Phys.Rev. C 84, 034311 (2011)

G.J.Fu, Y.Lei, H.Jiang, Y.M.Zhao, B.Sun, A.Arima

Description and evaluation of nuclear masses based on residual proton-neutron interactions

ATOMIC MASSES A>15; analyzed systematics of residual proton-neutron interactions; evaluated nuclear masses and predicted unknown masses. Comparison of experimental data with AME-2003.

doi: 10.1103/PhysRevC.84.034311
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2011FU10      Phys.Rev. C 84, 037305 (2011)

G.J.Fu, H.Jiang, Y.M.Zhao, A.Arima

Effective valence proton numbers for nuclei with Z ∼ 64

NUCLEAR STRUCTURE 142,144,146,148Ce, 144,146,148,150Nd, 146,148,150,152Sm, 148,150,152,154Gd; analyzed systematics of energies and deformation parameters of first 2+, 4+ and 6+ states, B(E2), g factors of first 2+ states in NpNn scheme; deduced effective valence proton numbers for nuclei relevant for Z=64 subshell closure.

doi: 10.1103/PhysRevC.84.037305
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2011JI01      Chin.Phys.Lett. 28, 032101 (2011)

H.Jiang, J.-J.Shen, Y.-M.Zhao

Benford's Law in Nuclear Structure Physics

doi: 10.1088/0256-307X/28/3/032101
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2011JI02      J.Phys.(London) G38, 045103 (2011)

H.Jiang, J.J.Shen, Y.M.Zhao, A.Arima

Low-lying states of valence-hole nuclei in the 208Pb region

NUCLEAR STRUCTURE 197,198,199,200,201,202Ir, 198,199,200,201,202,203Pt, 199,200,201,202,203,204Au, 200,201,202,203,204,205Hg, 201,202,203,204,205,206Tl; calculated low-lying energy levels, J, π, wavefunctions, quadrupole and magnetic moments. Comparison with experimental data.

doi: 10.1088/0954-3899/38/4/045103
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2011JI08      Phys.Rev. C 84, 034302 (2011)

H.Jiang, G.J.Fu, Y.M.Zhao, A.Arima

Low-lying structure of neutron-rich Zn and Ga isotopes

NUCLEAR STRUCTURE 72,74,76,78,80Zn, 73,75,77,79,81Ga; calculated levels, J, π, configurations, magnetic dipole and electric quadrupole moments, B(E2), B(M1) in the framework of SDG-pair approximation of shell model. Monopole and quadrupole pairing plus quadrupole-quadrupole interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.034302
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2011LE07      Phys.Rev. C 83, 024302 (2011)

Y.Lei, Z.Y.Xu, Y.M.Zhao, S.Pittel, A.Arima

Emergence of generalized seniority in low-lying states with random interactions

NUCLEAR STRUCTURE 22O, 46Ca; calculated generalized seniority properties of the low-lying spin 0, 2 and 4 states using one and two body random interactions. S-pair correlation structure including two-body random ensemble (TBRE) and random Quasi-particle ensemble (RQE).

doi: 10.1103/PhysRevC.83.024302
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2011LE16      Phys.Rev. C 83, 044302 (2011)

Y.Lei, Y.M.Zhao, N.Yoshida, A.Arima

Correlations of excited states for sd bosons in the presence of random interactions

doi: 10.1103/PhysRevC.83.044302
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2011LE26      Phys.Rev. C 84, 044301 (2011)

Y.Lei, Y.M.Zhao, A.Arima

Validity of pair approximations for nuclei in open shells

NUCLEAR STRUCTURE 130Te, 131Te, 134Te, 130Sn, 132I; calculated levels, J, π, B(E2). Nucleon pair approximation (NPA), shell-model space configuration (SM), and spin-zero, spin-two (SD) pairs, favored pairs. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.044301
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2011LE27      Phys.Rev. C 84, 044318 (2011)

Y.Lei, S.Pittel, N.Sandulescu, A.Poves, B.Thakur, Y.M.Zhao

Systematic study of proton-neutron pairing correlations in the nuclear shell model

NUCLEAR STRUCTURE 42Sc, 44,45,46Ti, 46V, 48Cr; calculated level energies, energy splittings, yrast and yrare bands, E2 transition matrix elements, proton-neutron pairing modes, isoscalar and isovector pairs. Parameterized Hamiltonian, shell-model framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.044318
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2011SH15      Phys.Rev. C 83, 044322 (2011)

J.J.Shen, Y.M.Zhao, A.Arima, N.Yoshinaga

New extrapolation method for low-lying states of nuclei in the sd and the pf shells

NUCLEAR STRUCTURE 24,26Mg, 28Si, 45,46Ti; calculated levels, J, π, Quadrupole moment, magnetic moment, B(E2) using an extrapolation method for shell-model Hamiltonian.

doi: 10.1103/PhysRevC.83.044322
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2010FU03      Phys.Rev. C 82, 014307 (2010)

G.J.Fu, H.Jiang, Y.M.Zhao, A.Arima

Residual proton-neutron interactions and the NpNn scheme

NUCLEAR STRUCTURE Z=28-50, N=50-82; Z=50-82, N=82-126; analyzed correlation between integrated proton-neutron interactions using experimental binding energies and NpNn product of valence nucleons.

doi: 10.1103/PhysRevC.82.014307
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2010FU10      Phys.Rev. C 82, 034304 (2010)

G.J.Fu, H.Jiang, Y.M.Zhao, S.Pittel, A.Arima

Nuclear binding energies and empirical proton-neutron interactions

ATOMIC MASSES Z=24-102, N=30-160; calculated binding energies and atomic masses using a local mass formula derived from exponential function to simulate the residual proton-neutron interactions. Comparison with AME-2003 mass evaluation.

doi: 10.1103/PhysRevC.82.034304
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2010JI16      Phys.Rev. C 82, 054317 (2010)

H.Jiang, G.J.Fu, Y.M.Zhao, A.Arima

Nuclear mass relations based on systematics of proton-neutron interactions

ATOMIC MASSES A>60; analyzed proton-neutron interaction between the last proton and the last two neutrons, and that between the last two protons and the last neutron; deduced nuclear mass relation between neighboring nuclides. Data from AME-2003 used in the analysis.

doi: 10.1103/PhysRevC.82.054317
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2010LE16      Phys.Rev. C 82, 034303 (2010)

Y.Lei, Z.Y.Xu, Y.M.Zhao, A.Arima

Validity of pair truncations with effective interaction in Ca isotopes

NUCLEAR STRUCTURE 43,44,45,46Ca; calculated levels, J, π, B(E2), wave function overlaps using Shell Model with GXPF1A interaction for the pf shell nuclei. Pair approximations.

doi: 10.1103/PhysRevC.82.034303
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2010SH13      Phys.Rev. C 82, 014309 (2010)

J.J.Shen, Y.M.Zhao, A.Arima

Lowest eigenvalue of the nuclear shell model Hamiltonian

NUCLEAR STRUCTURE 24Mg, 28Si; calculated matrix elements of the nuclear shell model Hamiltonian, levels, J, π. Exact diagonalization procedures.

doi: 10.1103/PhysRevC.82.014309
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2009LE33      Phys.Rev. C 80, 064316 (2009)

Y.Lei, Z.Y.Xu, Y.M.Zhao, A.Arima

Validity of pair truncation of the nuclear shell model in 46Ca

NUCLEAR STRUCTURE 46Ca; calculated energy levels and E2 transition rates using shell-model. Comparison with nucleon pair approximation (NPA) and broken-pair calculations, and with experimental data.

doi: 10.1103/PhysRevC.80.064316
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2009XU05      Phys.Rev. C 79, 054315 (2009)

Z.Y.Xu, Y.Lei, Y.M.Zhao, S.W.Xu, Y.X.Xie, A.Arima

Low-lying states of heavy nuclei within the nucleon pair approximation

NUCLEAR STRUCTURE 202,203,204,205,206Pb, 203,205,207Bi, 204,205,206,207,208,209,210Po, 206,207,208,209,210,211,212Rn, 205,207,209,211At, 208,210,211,212,213,214Ra, 209,211,213Fr; calculated levels, J, π, binding energies, electric quadrupole and magnetic dipole moments, B(E2) using phenomenological shell-model Hamiltonian calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.054315
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2009YO02      Phys.Rev. C 79, 017301 (2009)

N.Yoshinaga, A.Arima, J.J.Shen, Y.M.Zhao

Correlation between eigenvalues and sorted diagonal elements of a large dimensional matrix

NUCLEAR STRUCTURE 24Mg, 28Si; calculated eigenvalues and diagonal matrix elements of a large dimensional matrix using nuclear shell model.

doi: 10.1103/PhysRevC.79.017301
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2009YO10      Phys.Rev. C 80, 064324 (2009)

N.Yoshida, Y.M.Zhao, A.Arima

Proton-neutron interacting boson model under random two-body interactions

doi: 10.1103/PhysRevC.80.064324
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2009ZH48      Chin.Phys.C 33, Supplement 1, 137 (2009)

L.-H.Zhang, Y.-M.Zhao

Number of spin I states for bosons

doi: 10.1088/1674-1137/33/S1/043
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2008SH14      Phys.Rev. C 77, 054312 (2008)

J.J.Shen, Y.M.Zhao, A.Arima, N.Yoshinaga

Lowest eigenvalues of random Hamiltonians

doi: 10.1103/PhysRevC.77.054312
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2008SH22      Phys.Rev. C 78, 044305 (2008)

J.J.Shen, A.Arima, Y.M.Zhao, N.Yoshinaga

Strong correlation between eigenvalues and diagonal matrix elements

NUCLEAR STRUCTURE 24,26Mg, 28Si; calculated levels, J, π using eigenvalues of many-body systems using USD interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.78.044305
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