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NSR database version of May 24, 2024.

Search: Author = M.Bao

Found 21 matches.

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2023LI38      Chin.Phys.C 47, 084104 (2023)

G.-S.Li, C.Xu, M.Bao

Predictions of nuclear charge radii

NUCLEAR STRUCTURE N>20; calculated nuclear charge radii at competitive accuracy. Comparison with he CR2013 database.

doi: 10.1088/1674-1137/acdb54
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2021JI13      Chin.Phys.C 45, 094103 (2021)

H.Jiang, Y.-j.Zhou, Y.Lei, J.-J.Shen, M.Bao

Symmetric and asymmetric structural evolutions of Te isotopes across the N=82 shell closure

NUCLEAR STRUCTURE 128,130,132,134,136,138,140Te; calculated low-lying energy levels, B(E2), g factors via the nucleon-pair approximation (NPA) of the shell model with phenomenological multipole-multipole interactions. Comparison with available data.

doi: 10.1088/1674-1137/ac0ce1
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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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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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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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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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2017QI03      Phys.Rev. C 96, 024307 (2017)

Z.Z.Qin, M.Bao, Y.Lei

From local correlations to regional systematics

NUCLEAR STRUCTURE A=120-230, Z=38-104; analyzed correlations between the energies and B(E2) values for the first 2+ states in even-even nuclei using logarithmically scaled NpNn products. Z=82-104, N=126-155; analyzed Q(α), S(n), and S(p) experimental data by decoupling into their proton and neutron contributions.

doi: 10.1103/PhysRevC.96.024307
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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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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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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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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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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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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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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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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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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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