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NSR database version of May 3, 2024.

Search: Author = He Zejun

Found 32 matches.

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2023HE16      Eur.Phys.J. C 83, 1092 (2023)

Z.He, M.Li, W.Bu, C.Xiao, X.Wei, Y.Yang, Z.Qin, S.He, T.Qiu, P.Ma, C.Lu, L.Duan, B.Hu, Y.Zhang, H.Yang

Development of a semi-cylindrical time projection chamber prototype for (³He, t) charge exchange reaction experiment

NUCLEAR REACTIONS ^13,17C(³He, t), E ∼ 450 MeV; analyzed available data; deduced rough σ estimate.

doi: 10.1140/epjc/s10052-023-12170-x
Citations: PlumX Metrics

2022YA16      Astrophys.J. 933, 112 (2022)

Y.Yamazaki, Z.He, T.Kajino, G.J.Mathews, M.A.Famiano, X.Tang, J.Shi

Possibility to Identify the Contributions from Collapsars, Supernovae, and Neutron Star Mergers from the Evolution of the r-process Mass Abundance Distribution

doi: 10.3847/1538-4357/ac721c
Citations: PlumX Metrics

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. ^{275,276,277,278,279,280,281}Ds, ^{276,277,279,280,281,282,283,284,285}Rg, ^{278,279,280,281,282,283,284,285,286,287}Cn, ^{280,282,283,284,285,286,287,288,289}Nh, ^{283,284,285,286,287,288,289,290,291}Fl, ^{285,286,287,288,289,290,291,292}Mc, ^{287,288,289,290,291,292,293}Lv, ^{290,291,292,293,294}Ts, ^{292,293,294,295}Og(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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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. ^{70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105}Zn, ^{112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142}Mo, ^{151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191}Ba, ^{229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269}Au; calculated S_n 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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2009GU18      Phys.Rev. C 80, 014908 (2009)

N.Guan, Z.He, J.Long, X.Cai, Y.Ma, J.Li, W.Shen

Viscosity and dilepton production of a chemically equilibrating quark-gluon plasma at finite baryon density

doi: 10.1103/PhysRevC.80.014908
Citations: PlumX Metrics

2006LO03      Nucl.Phys. A766, 201 (2006)

J.Long, Z.He, Y.Ma, B.Liu

Photon emission from a chemically non-equilibrated parton gas at finite baryon density

NUCLEAR REACTIONS ¹⁹⁷Au(¹⁹⁷Au, X), E=high; calculated photon spectra from quark-gluon plasma. Finite baryon density.

doi: 10.1016/j.nuclphysa.2005.11.022
Citations: PlumX Metrics

2003HE13      Phys.Rev. C 68, 024902 (2003)

Z.He, J.Long, W.Jiang, Y.Ma, B.Liu

Dileptons from a chemically equilibrating quark-gluon plasma

doi: 10.1103/PhysRevC.68.024902
Citations: PlumX Metrics

2003HE14      Nucl.Phys. A724, 477 (2003)

Z.He, J.Long, W.Jiang, Y.Ma, B.Liu

Intermediate mass dileptons from a chemically non-equilibrated quark-gluon plasma

NUCLEAR REACTIONS ¹⁹⁷Au(¹⁹⁷Au, X), E=high; calculated dilepton spectra from chemically equilibrating quark-gluon plasma.

doi: 10.1016/S0375-9474(03)01516-1
Citations: PlumX Metrics

2000HE22      Phys.Lett. 495B, 317 (2000)

Z.He, W.Zhou, W.Jiang, J.Zhang, B.Liu

Enchancement of Intermediate Mass Dileptons from Expanding Hot Quark-Gluon Matter

NUCLEAR REACTIONS ¹⁹⁷Au(¹⁹⁷Au, X), E=high; calculated dilepton mass spectra, related features; deduced quark-gluon plasma contributions.

doi: 10.1016/S0370-2693(00)01265-X
Citations: PlumX Metrics

1998HE21      Eur.Phys.J. C 4, 301 (1998)

Z.He, X.Yao, C.Duan, G.Li, H.Peng

Double Q²-Rescaling Model and the Nuclear Effect of the Parton Distribution Functions

NUCLEAR STRUCTURE ¹²C, ⁴⁰Ca, ⁵⁶Fe, ¹¹⁹Sn; calculated parton distribution, average structure functions F₂. Double Q²-rescaling model. Comparison with lepton-nucleus deep inelastic scattering data.

doi: 10.1007/s100520050208
Citations: PlumX Metrics

1998LI55      Nucl.Instrum.Methods Phys.Res. A416, 328 (1998)

Z.Li, Z.He, G.Jin, L.Duan, H.Wang, B.Zhang, H.Wu, G.Dai

A BGO Hodoscope for Intermediate Mass Fragments

NUCLEAR REACTIONS ¹⁵⁹Tb(⁴⁰Ar, X), E=30 MeV/nucleon; measured intermediate mass fragments σ(Z, θ). BGO hodoscope.

doi: 10.1016/S0168-9002(98)00669-X
Citations: PlumX Metrics

1997HE03      Nucl.Phys. A614, 552 (1997)

Z.He, J.Zhang, X.Qiu, J.Chen

Dilepton Production in an Expanding Baryon-Rich Quark-Gluon Fireball

doi: 10.1016/S0375-9474(96)00443-5
Citations: PlumX Metrics

1997WU02      Nucl.Phys. A617, 385 (1997)

H.Wu, G.Jin, Z.Li, G.Dai, Y.Qi, Z.He, Q.Luo, L.Duan, W.Wen, B.Zhang

Temperature and Excitation Energy of Hot Nuclei in the Reaction of ⁴⁰Ar + ¹⁹⁷Au at 25 MeV/nucleon

NUCLEAR REACTIONS ¹⁹⁷Au(⁴⁰Ar, F), E=25 MeV/nucleon; measured fission (fragment)(fragment)-coin; deduced nuclear temperature, excitation energy relationship. Different statistical models.

doi: 10.1016/S0375-9474(97)00038-9
Citations: PlumX Metrics

1996HE26      J.Phys.(London) G22, 1751 (1996)

Z.He, J.Zhang, X.Qiu

Dilepton Distribution for the Baryon-Rich Quark-Gluon Fireball

doi: 10.1088/0954-3899/22/12/005
Citations: PlumX Metrics

1996LI58      Nucl.Instrum.Methods Phys.Res. A373, 198 (1996)

Z.Li, G.Jin, Z.He, L.Duan, H.Wu, Y.Qi, Q.Luo, B.Zhang, W.Wen, G.Dai

A BGO Detector Array and Its Application in Intermediate Energy Heavy Ion Experiments

NUCLEAR REACTIONS ¹⁹⁷Au(⁴⁰Ar, X), E=25 MeV/nucleon; measured αα-, dα, dd-correlation function, (fragment)(fragment)-, (dd)-coin. BGO crystal as the E-detector of ΔE-E array.

doi: 10.1016/0168-9002(96)00007-1
Citations: PlumX Metrics

1995HE33      Chin.Phys.Lett. 12, 521 (1995)

Z.He, L.Duan, Z.Li, G.Jin, Q.Luo, H.Wu, B.Zhang, W.Wen, Y.Qi, B.Dang, G.Dai

Triton-Triton Correlation and Emission Times in Intermediate Energy Nucleus-Nucleus Collisions

NUCLEAR REACTIONS ¹⁹⁷Au(⁴⁰Ar, X), E=25 MeV/nucleon; measured tt-correlations; deduced average emission times. Three-body trajectory calculations.

1995HE34      Chin.Phys.Lett. 12, 657 (1995)

Z.He

Dilepton Production in the Central Rapidity Region

1994BI22      Nucl.Instrum.Methods Phys.Res. A353, 46 (1994)

A.J.Bird, T.Carter, Z.He, A.J.Dean, D.Ramsden

Pulse Shape Analysis of Signals from a CsI(Tl)/Photodiode Detector

doi: 10.1016/0168-9002(94)91599-7
Citations: PlumX Metrics

1994DE63      Nucl.Instrum.Methods Phys.Res. A353, 588 (1994)

Y.K.Dewaraja, Z.He, R.F.Fleming, D.K.Wehe, S.V.Guru, J.C.Ferreira, R.H.Fleming

A Position Sensitive β-γ Coincidence Technique for Multiplexed Gamma Spectrometry of Many Small Samples

RADIOACTIVITY ⁶⁰Co(β^-); ¹⁹⁸Au(β^-); ^110mAg(IT), (β^-) [from ⁵⁹Co, ¹⁹⁷Au, ¹⁰⁹Ag(n, γ), E not given]; measured βγ-coin; deduced detector characteristics. Position sensitive photomultiplier tube/Ge detector system.

doi: 10.1016/0168-9002(94)91729-9
Citations: PlumX Metrics

1994GU23      Nucl.Instrum.Methods Phys.Res. A353, 328 (1994)

S.V.Guru, Z.He, J.C.Ferreria, D.K.Wehe, G.F.Knoll

A High Energy Gamma Camera using a Multiple Hole Collimator and PSPMT

RADIOACTIVITY ¹³⁷Cs(β^-); ⁵⁷Co(EC); measured γ spectra; deduced device resolution. High energy γ camera, multi-hole collimator, position sensitive photomultiplier tube.

doi: 10.1016/0168-9002(94)91668-3
Citations: PlumX Metrics

1994HE37      Chin.Phys.Lett. 11, 665 (1994)

Z.He, J.Chen, X.Xu, X.Qiu

Quark Deconfinement of a Hadron in Ultrarelativistic Nucleus-Nucleus Collisions

doi: 10.1088/0256-307X/11/11/003
Citations: PlumX Metrics

1994TR14      Nucl.Instrum.Methods Phys.Res. A353, 375 (1994)

A.Truman, A.J.Bird, D.Ramsden, Z.He

Pixellated CsI(Tl) Arrays with Position-Sensitive PMT Readout

RADIOACTIVITY ⁵⁷Co(EC); measured detector position, energy resolution characteristics. Pixellated CsI(Tl) arrays, position-sensitive photomultiplier tubes readout.

doi: 10.1016/0168-9002(94)91679-9
Citations: PlumX Metrics

1993HE22      Nucl.Instrum.Methods Phys.Res. A336, 236 (1993)

Z.He, A.J.Bird, D.Ramsden

A Ratio Pulse-Shape Discriminator

doi: 10.1016/0168-9002(93)91104-U
Citations: PlumX Metrics

1988HE18      Nucl.Phys. A489, 421 (1988)

Z.He, J.Wu, W.Norenberg

Evaporation of Particles from Hot Nuclei

NUCLEAR STRUCTURE ¹³³Cs; calculated neutron, proton evaporation spectra. Hot nucleus model.

doi: 10.1016/0375-9474(88)90004-8
Citations: PlumX Metrics

1987HE17      Nucl.Phys. A473, 342 (1987)

Z.He, P.Rozmej, J.Wu, W.Norenberg

Sharing of Excitation Energy in Dissipative Nucleus-Nucleus Collisions

NUCLEAR REACTIONS ¹⁴⁷Sm, ²³⁸U(⁹⁸Mo, X), E at 14.7 MeV/nucleon; calculated light, heavy fragment, total excitation energy. Dissipative collisions.

doi: 10.1016/0375-9474(87)90149-7
Citations: PlumX Metrics

1986HE29      Chin.J.Nucl.Phys. 8, 229 (1986)

He Zejun, Li Panlin, Zhang Jiaju

A Transport Model for Studying Heavy Nucleus Fission

NUCLEAR STRUCTURE ²³⁶U; calculated fission rate; deduced nuclear viscosity dependence. Fokker-Planck equation.

1985FE07      Chin.J.Nucl.Phys. 7, 11 (1985)

Feng Renfa, Ge Zhigang, He Zhongqian, Zhang Zhongping, Ying Xiaoguang

Energy Gaps Δ of Actinium Series ²³⁴U, ²³⁶U, ²³⁸U, ²⁴⁰Pu, ²⁴²Pu

NUCLEAR STRUCTURE ^234,236,238U, ^240,242Pu; calculated neutron, proton energy gap vs temperature, deformation. Quasiparticle model, Nilsson representation.