NSR Query Results
Output year order : Descending NSR database version of May 10, 2024. Search: Author = W.B.He Found 20 matches. 2024YA02 Phys.Rev. C 109, 014908 (2024) Fifth- and sixth-order net baryon number fluctuations in nuclear matter at low temperature
doi: 10.1103/PhysRevC.109.014908
2023HE02 Phys.Rev. C 107, 014903 (2023) Speed of sound and liquid-gas phase transition in nuclear matter
doi: 10.1103/PhysRevC.107.014903
2023WA21 Phys.Rev. C 108, 014609 (2023) S.S.Wang, Y.G.Ma, W.B.He, D.Q.Fang, X.G.Cao Influences of α-clustering configurations on the giant dipole resonance in hot compound systems NUCLEAR REACTIONS ^{12}C(^{16}O, γ)^{28}Si, E=125 MeV;^{27}Al(^{20}Ne, γ)^{47}V, E=160 MeV;^{12}C(^{20}Ne, γ), E=145 MeV; calculated giant dipole resonance (GDR) spectra in hot nucleus, effects of projectile polarization on the GDR spectra. Investigated the sensitivity of GDR lineshape to the α-clustering configurations of projectile, including the linear chain, kite, square, and tetrahedron configurations. Calculations in the framework of an extended quantum molecular dynamics (EQMD) model. Comparison to experimental data.
doi: 10.1103/PhysRevC.108.014609
2021HE27 Phys.Rev. C 104, 044902 (2021) Machine-learning-based identification for initial clustering structure in relativistic heavy-ion collisions NUCLEAR REACTIONS ^{197}Au(^{12}C, X), (^{16}O, X), E=200 GeV; analyzed three-α clustered triangular structure for ^{12}C and four-α clustered tetrahedral structure for ^{16}O using Bayesian convolutional neural network (BCNN) for nonclustered and clustered configurations; predicted proportion of Woods-Saxon configuration versus true proportion of Woods-Saxon configuration with different predicted times (NPred) and amounts of mixed samples. ^{12}C, ^{16}O; calculated nucleon distributions in the transverse plane for clustered ^{12}C and ^{16}O, two-dimensional azimuthal angle and transverse momentum distributions of charged pions for nonclustered and clustered ^{12}C from a single multiphase transport model (AMPT)-generated ^{12}C+^{197}Au collision events.
doi: 10.1103/PhysRevC.104.044902
2020DE30 Phys.Rev. C 102, 031301 (2020) B.Dey, S.-S.Wang, D.Pandit, S.Bhattacharya, X.-G.Cao, W.-B.He, Y.-G.Ma, N.Quang Hung, N.Dinh Dang Exotic nuclear shape due to cluster formation at high angular momentum NUCLEAR REACTIONS ^{12}C(^{16}O, X)^{28}Si^{*,12}C(^{20}Ne, X)^{32}S^{*}, E not given; calculated density distributions using extended quantum molecular dynamics (EQMD) model, considering ^{12}C as a triangle, ^{16}O as a square, and ^{20}Ne as a pentagonal. ^{28}Si, ^{32}S; calculated neutron and proton pairing gaps as functions of temperature and angular momenta within the finite-temperature BCS (FTBCS) theory; analyzed experimental data for giant dipole resonance (GDR) strength functions for Eγ=5 to 30 MeV, and compared with EQMD calculations, and with TSFM calculations with and without shell corrections. Discussed effects of cluster shapes of ^{32}S and ^{28}Si in the GDR strength function at high angular momentum and temperature.
doi: 10.1103/PhysRevC.102.031301
2020SH11 Eur.Phys.J. A 56, 115 (2020) Fluctuations, criticality and nonequilibrium effect of the QCD matter
doi: 10.1140/epja/s10050-020-00130-y
2020SH15 Phys.Rev. C 102, 014601 (2020) C.Z.Shi, Y.G.Ma, X.G.Cao, D.Q.Fang, W.B.He, C.Zhong Direct photon emission and influence of dynamical wave packets in an extended quantum molecular dynamics model NUCLEAR REACTIONS ^{12}C(^{14}N, X), E=20, 30, 40 MeV/nucleon; C, Zn(α, X), E=53 MeV/nucleon; calculated hard photon production rate, photon energy spectra, angular distributions of photons, double differential σ(Eγ, θ) of direct photon emission from first proton-neutron collision, proton and neutron momentum distributions, invariant photon cross section versus rapidity and transverse energy. Extended quantum molecular dynamics (EQMD) model with embedded hard photon production channel. Comparison with predictions of unmodified extended quantum molecular dynamics model.
doi: 10.1103/PhysRevC.102.014601
2018WA20 Eur.Phys.J. A 54, 107 (2018) Y.-T.Wang, D.-Q.Fang, K.Wang, X.-X.Xu, L.-J.Sun, Z.Bai, P.-F.Bao, X.-G.Cao, Z.-T.Dai, B.Ding, W.-B.He, M.-R.Huang, S.-L.Jin, Y.Li, C.-J.Lin, L.-X.Liu, M.Lv, J.-B.Ma, P.Ma, H.-W.Wang, J.-G.Wang, J.-S.Wang, S.-T.Wang, Y.-Y.Yang, S.-Q.Ye, H.-Q.Zhang, M.-H.Zhao, C.-L.Zhou, Y.-G.Ma, W.-Q.Shen β-delayed particle emission from ^{21}Mg RADIOACTIVITY ^{21}Mg(EC), (β^{+}), (ECp), (ECα), (β^{+}p), (β^{+}α); measured Eg, Ig, E(particle), I(particle), pγ-coin, charged particles using RIBBL1 (Radioactive Ion Beam Line) at Lanzhou, ^{21}Mg decay-time spectrum, γ-ray energy spectrum correlated with β-delayed charged particles; deduced β-delayed charged particles energy spectrum, new partial decay scheme, levels, J, π, T_{1/2}, log ft, branching ratios of individual states.
doi: 10.1140/epja/i2018-12543-1
2018WA24 Phys.Lett. B 784, 12 (2018) Y.T.Wang, D.Q.Fang, K.Wang, X.X.Xu, L.J.Sun, P.F.Bao, Z.Bai, X.G.Cao, Z.T.Dai, B.Ding, W.B.He, M.R.Huang, S.L.Jin, C.J.Lin, M.Lv, L.X.Liu, Y.Li, P.Ma, J.B.Ma, J.S.Wang, S.T.Wang, J.G.Wang, H.W.Wang, S.Q.Ye, Y.Y.Yang, C.L.Zhou, M.H.Zhao, H.Q.Zhang, Y.G.Ma, W.Q.Shen Observation of β-delayed ^{2}He emission from the proton-rich nucleus ^{22}Al RADIOACTIVITY ^{22}Al(β^{+}2p) [from Be(^{28}Si, X), E=76 MeV/nucleon]; measured decay products, Eγ, Iγ. ^{22}Mg; deduced the momentum and emission angle of the two protons, Ep, Ip. Comparison with Monte Carlo simulations.
doi: 10.1016/j.physletb.2018.07.034
2018ZH44 Eur.Phys.J. A 54, 161 (2018) S.Zhang, Y.G.Ma, J.H.Chen, W.B.He, C.Zhong Collective flows of α-clustering ^{12}C + ^{197}Au by using different flow analysis methods NUCLEAR REACTIONS ^{197}Au(^{12}C, x), E at √ s_{NN}=200 GeV; measured reaction products, flow; deduced elliptic flow using different configurations of ^{12}C structure.
doi: 10.1140/epja/i2018-12597-y
2017GU14 Phys.Rev. C 95, 054622 (2017) C.Q.Guo, Y.G.Ma, W.B.He, X.G.Cao, D.Q.Fang, X.G.Deng, C.L.Zhou Isovector dipole resonance and shear viscosity in low energy heavy-ion collisions NUCLEAR REACTIONS ^{100}Mo(^{40}Ca, X), E=5, 7.5, 10, 12.5, 15 MeV/nucleon; calculated time evolution of nuclear matter density and kinetic-energy density, temperature, chemical potential, and the entropy density of the compound nucleus, post equilibration time evolution of the stress tensor, ratio of shear viscosity over entropy density as function of temperature, giant dipole moment in coordinate space, isovector giant dipole resonance (IVGDR) photon spectra and centroid energies. Green-Kubo method in the framework of an extended quantum molecular dynamics model (EQMD).
doi: 10.1103/PhysRevC.95.054622
2017GU22 Chin.Phys.Lett. 34, 092101 (2017) Collective Flows of ^{16}O+^{16}O Collisions with α-Clustering Configurations NUCLEAR REACTIONS ^{16}O(^{16}O, X), E=40-60 MeV/nucleon; calculated flow parameters. An extended quantum molecular dynamics model, four α-clustering (linear chain, kite, square and tetrahedron) configurations.
doi: 10.1088/0256-307X/34/9/092101
2017HU05 Phys.Rev. C 95, 034606 (2017) Photonuclear reaction as a probe for α-clustering nuclei in the quasi-deuteron region NUCLEAR REACTIONS ^{12}C(γ, np)^{10}B, E=70-140 MeV; calculated recoil momentum spectra, missing energy spectra of ^{12}C, pair momentum of emitted proton and neutron with three configurations, and compared with experimental data for photonuclear reaction and α-clustering in the quasi-deuteron region. Transport model frame, with an extended quantum molecular dynamics (QMD) model. NUCLEAR STRUCTURE ^{12}C; calculated different configurations, rms radii and binding energies in EQMD model: chain 3α structure, triangle 3α structure; spherical structure with no cluster.
doi: 10.1103/PhysRevC.95.034606
2017HU07 Eur.Phys.J. A 53, 119 (2017) Alpha-clustering effects on ^{16}O(γ , np)^{14}N in the quasi-deuteron region NUCLEAR REACTIONS ^{2}H(γ, p), E=60-600 MeV;^{4}He(γ, np), E=20-240 MeV; calculated σ, σ(θ). ^{16}O(γ, np), E=70-120 MeV; calculated σ, ^{16}O recoil momentum spectra, missing energy spectra, emitted n-p pair momentum, opening n-p angular distribution, hyper-angular distribution of residual ^{14}N relative to cm of neutron-proton, hyper-radius distribution using EQMD (Extended Quantum Molecular Dynamics). Compared with data and other calculations.
doi: 10.1140/epja/i2017-12300-0
2017WA05 Phys.Rev. C 95, 014608 (2017) K.Wang, Y.G.Ma, G.Q.Zhang, X.G.Cao, W.B.He, W.Q.Shen Giant dipole resonance in proton capture reactions using an extended quantum molecular dynamics model NUCLEAR REACTIONS ^{11}B(p, γ)^{12}C, E=30-60 MeV; ^{27}Al(p, γ)^{28}Si, E=30-90 MeV; ^{39}K(p, γ)^{40}Ca, E=25-80 MeV; , ^{67}Co(p, γ)^{68}Ni, E=20-90 MeV; calculated GDR γ spectra, GDR parameters such as peak energies, strengths, and FWHM, dipole moments and temperature of the proton-capture systems as functions of incident energies, GDR width as a function of temperature. Extended quantum molecular dynamics (EQMD) model for giant dipole resonance in proton capture reactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.014608
2017WA15 Phys.Rev. C 95, 054615 (2017) S.S.Wang, Y.G.Ma, X.G.Cao, W.B.He, H.Y.Kong, C.W.Ma Investigation of giant dipole resonances in heavy deformed nuclei with an extended quantum molecular dynamics model NUCLEAR STRUCTURE ^{130,132,134,142,144,146,148,150}Nd, ^{134,136,138,144,148,150,152,154}Sm; calculated β_{2}, energies, dipole strengths, spectra of giant dipole resonances (GDR), dependence of GDR spectra on symmetry energy coefficient for ^{150}Nd. Deformation evolution of giant dipole resonance. Extended quantum molecular dynamics model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.054615
2017ZH28 Phys.Rev. C 95, 064904 (2017) S.Zhang, Y.G.Ma, J.H.Chen, W.B.He, C.Zhong Nuclear cluster structure effect on elliptic and triangular flows in heavy-ion collisions
doi: 10.1103/PhysRevC.95.064904
2016HE07 Phys.Rev. C 94, 014301 (2016) W.B.He, Y.G.Ma, X.G.Cao, X.Z.Cai, G.Q.Zhang Dipole oscillation modes in light α-clustering nuclei NUCLEAR STRUCTURE ^{8}Be, ^{12}C, ^{16}O; calculated centroid energies and spectra of giant dipole resonances (GDR), average binding energy for different α cluster structures, Gaussian wave packets in different clustering states: ^{8}Be as two-α cluster structure, ^{12}C as triangle and chain structures, and ^{16}O as chain, kite and square structures. Extended quantum molecular dynamics (EQMD) model. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.014301
2015LI10 Phys.Rev. C 91, 044302 (2015) Y.D.Liu, H.W.Wang, Y.G.Ma, X.G.Cao, G.Q.Zhang, D.Q.Fang, M.Lyu, W.B.He, Z.T.Dai, C.Li, C.L.Zhou, S.Q.Ye, C.Tao, J.Wang, S.Kumar, J.L.Han, Y.Y.Yang, P.Ma, J.B.Ma, S.L.Jin, Z.Bai, L.Jin, D.Yan, J.S.Wang New measurement of the excited states in ^{11}B via elastic resonance scattering of ^{10}Be +p NUCLEAR REACTIONS ^{1}H(^{10}Be, p), E=7.2 MeV/nucleon, [secondary ^{10}Be beam produced in ^{9}Be(^{16}O, X), E=59.62 MeV/nucleon primary reaction]; measured particle spectra using TOF method, angular distribution of scattered particles using ΔE-E telescope, Ep, Ip at HIRFL-Lanzhou facility. ^{11}B; deduced levels, resonances, J, π, l-value, Γ_{p}, widths of Wigner limit. R-matrix analysis of proton spectra from elastic resonance scattering. Comparison with previous experimental results, and with evaluated data.
doi: 10.1103/PhysRevC.91.044302
2014HE13 Phys.Rev.Lett. 113, 032506 (2014) W.B.He, Y.G.Ma, X.Z.Cai, G.Q.Zhang Giant Dipole Resonance as a Fingerprint of α Clustering Configurations in ^{12}C and ^{16}O NUCLEAR STRUCTURE ^{12}C, ^{16}O; calculated giant dipole resonance spectra, σ(E); deduced α configurations impact on collective motion. Microscopic dynamical framework.
doi: 10.1103/PhysRevLett.113.032506
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