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NSR database version of May 20, 2024.

Search: Author = C.W.Ma

Found 81 matches.

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2023MA48      Phys.Rev. C 108, 044606 (2023)

C.-W.Ma, X.-X.Chen, X.-B.Wei, D.Peng, H.-L.Wei, Y.-T.Wang, J.Pu, K.-X.Cheng, Y.-F.Guo, C.-Y.Qiao

Systematic behavior of fragments in Bayesian neural network models for projectile fragmentation reactions

doi: 10.1103/PhysRevC.108.044606
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2023WA08      Phys.Rev. C 107, L041601 (2023)

Y.Wang, F.Guan, X.Diao, M.Wan, Y.Qin, Z.Qin, Q.Wu, D.Guo, D.Si, S.Xiao, B.Zhang, Y.Zhang, B.Tian, X.Wei, H.Yang, P.Ma, R.J.Hu, L.Duan, F.Duan, Q.Hu, J.Ma, S.Xu, Z.Bai, Y.Yang, J.Wang, W.Liu, W.Su, X.Wei, C.-W.Ma, X.Li, H.Wang, F.Wang, Y.Zhang, M.Warda, A.Dobrowolski, B.Nerlo-Pomorska, K.Pomorski, L.Ou, Z.Xiao

Observing the ping-pong modality of the isospin degree of freedom in cluster emission from heavy-ion reactions

NUCLEAR REACTIONS 208Pb(86Kr, X), E=25 MeV/nucleon; measured reaction products, A=3 isobars in coincidence with the intermediate mass fragments of A=6-11; deduced velocity spectra of 3H and 3He, yields ratios of 3H/3He correlate reversely to the neutron-to-proton ratio N/Z of the intermediate mass fragments. Comparison with ImQMD transport model. Yield ratio 3H/3He exhibits evident anticorrelation with the N/Z of the latter, suggesting the ping-pong modality of the N/Z of the emitted particles. Anti-correlation shows dependence on the slope of the symmetry energy at saturation density. Compact Spectrometer for Heavy IoN Experiment (CSHINE) at the final focal plane of the Radioactive Ion Beam Line at Lanzhou (RIBLL-I).

doi: 10.1103/PhysRevC.107.L041601
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2022LI72      Phys.Rev. C 106, 065804 (2022)

X.X.Li, L.X.Liu, W.Jiang, J.Ren, H.W.Wang, G.T.Fan, D.X.Wang, S.Y.Zhang, G.L.Yang, X.K.Li, Z.D.An, J.J.He, W.Luo, X.G.Cao, L.L.Song, Y.Zhang, X.R.Hu, Z.R.Hao, P.Kuang, B.Jiang, X.H.Wang, J.F.Hu, Y.D.Liu, C.W.Ma, Y.T.Wang, J.Su, L.Y.Zhang, Y.X.Yang, S.Feng, W.B.Liu, W.Q.Su, S.Jin, K.J.Chen

Experimental determination of the neutron resonance peak of 162Er at 67.8 eV

NUCLEAR REACTIONS 162Er(n, γ), E=20-100 eV; measured Eγ, Iγ; deduced neutron-capture yield, resonances, decay widths. Resonance parameters at 67.8 eV are extracted for the first time. R-matrix analysis. Comparison to other experimental results and ENDF/B-VIII.0 data. 4 C6D6 detectors. Neutron beam from Back-n Facility of the CSNS.

doi: 10.1103/PhysRevC.106.065804
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2022MA39      Chin.Phys.C 46, 074104 (2022)

C.-W.Ma, X.-B.Wei, X.-X.Chen, D.Peng, Y.-T.Wang, J.Pu, K.-X.Cheng, Y.-F.Guo, H.-L.Wei

Precise machine learning models for fragment production in projectile fragmentation reactions using Bayesian neural networks

doi: 10.1088/1674-1137/ac5efb
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2022PE09      J.Phys.(London) G49, 085102 (2022)

D.Peng, H.-L.Wei, X.-X.Chen, X.-B.Wei, Y.-T.Wang, J.Pu, K.-X.Cheng, C.-W.Ma

Bayesian evaluation of residual production cross sections in proton-induced nuclear spallation reactions

NUCLEAR REACTIONS 1H(36Ar, X), (40Ar, X), (40Ca, X), (56Fe, X), (93Nb, X), (93Zr, X), (107Pd, X), (90Sr, X), (136Xe, X), (137Cs, X), (138Ba, X), (197Au, X), E<2.6 GeV/nucleon; analyzed available data; deduced accurate and complete energy-dependent residual σ using a simplified EPAX formula (sEPAX), the Bayesian neural network (BNN) technique.

doi: 10.1088/1361-6471/ac7069
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2022ZH15      Phys.Rev. C 105, 034611 (2022)

X.Zhang, X.Liu, Y.Huang, W.Lin, H.Zheng, R.Wada, A.Bonasera, Z.Chen, L.Chen, J.Han, R.Han, M.Huang, Q.Hu, Q.Leng, C.W.Ma, G.Qu, P.Ren, G.Tian, Z.Xu, Z.Yang, L.Zhang

Determining impact parameters of heavy-ion collisions at low-intermediate incident energies using deep learning with convolutional neural networks

NUCLEAR REACTIONS 124Sn(124Sn, X), E=50, 70, 100 MeV/nucleon; calculated absolute transverse and longitudinal momentum per nucleon of all possible charged particles in exit channel with constrained molecular dynamics (CoMD) model, impact parameter values by convolutional neural network (CNN). Events generated by CoMD are used as input for CNN training. Comparison to impact parameter values obtained using the conventional methods with the impact-parameter sensitive observables.

doi: 10.1103/PhysRevC.105.034611
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2021HU24      Phys.Rev. C 104, 044611 (2021)

Y.Huang, W.Lin, H.Zheng, R.Wada, A.Bonasera, Z.Chen, J.Han, R.Han, M.Huang, K.Hagel, T.Keutgen, X.Liu, Y.G.Ma, C.W.Ma, Z.Majka, G.Qu, L.Qin, P.Ren, G.Tian, J.Wang, Z.Yang, J.B.Natowitz

Experimental investigation of abnormal transverse flow enhancement of α particles in heavy-ion collisions

NUCLEAR REACTIONS 27Al, 48Ti, 58Ni(40Ar, X), E=47 MeV/nucleon from Texas A and M K500 cyclotron facility; measured reaction products, σ(θ) using 4π array NIMROD-ISiS, consisting of a charged particle array and Neutron Ball; deduced normalized charged particle multiplicity distributions, reduced impact parameters, average in-plane fragment transverse momentum for Z=1-5 fragments as function of rapidity, flow as a function of atomic number, two-particle azimuthal correlation functions, relative flow magnitude as function of atomic number, monotonically increasing trend as a function of fragment charge number, evidences for the non-existence of the abnormal α flow behavior in the heavy-ion collisions. Comparison with improved antisymmetrized molecular dynamics model calculations with Fermi motion (AMD-FM).

doi: 10.1103/PhysRevC.104.044611
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2021LI61      Phys.Rev. C 104, 054302 (2021)

X.X.Li, L.X.Liu, W.Jiang, J.Ren, H.W.Wang, G.T.Fan, X.G.Cao, Y.Zhang, X.R.Hu, Z.R.Hao, P.Kuang, B.Jiang, X.H.Wang, J.F.Hu, J.C.Wang, D.X.Wang, S.Y.Zhang, Y.D.Liu, X.Ma, C.W.Ma, Y.T.Wang, Z.D.An, J.J.He, J.Su, L.Y.Zhang, Y.X.Yang, W.B.Liu, W.Q.Su

New experimental measurement of natEr(n, γ) cross sections between 1 and 100 eV

NUCLEAR REACTIONS 162,164,166,167,168,170Er, 12,13C, 197Au(n, γ), E=0.001-100 keV; measured E(n), I(n), Eγ, Iγ using C6D6 liquid scintillator and a silicon monitor and natural Er, C and Au targets at the China spallation neutron source (CSNS) facility; deduced neutron-capture σ(E), capture yields as function of E(n), neutron resonances in Er isotopes in the 1-100 eV region. 162,164,166,167,168Er; deduced energies of 43 neutron resonances (nine for 162Er, five for 164Er, three for 166Er, 25 for 167Er, one for 168Er), cross sections, widths Γγ and Γn by R-matrix analysis. Comparison with previous experimental data, and with data in evaluated databases ENDF/B-VIII.0, ENDF/B-VII.1, JENDL-4.0, and ROSFOND-2010.

doi: 10.1103/PhysRevC.104.054302
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2021MA60      Prog.Part.Nucl.Phys. 121, 103911 (2021)

C.-W.Ma, H.-L.Wei, X.-Q.Liu, J.Su, H.Zheng, W.P.Lin, Y.-X.Zhang

Nuclear fragments in projectile fragmentation reactions

doi: 10.1016/j.ppnp.2021.103911
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2020MA01      Chin.Phys.C 44, 014104 (2020)

C.-W.Ma, D.Peng, H.-L.Wei, Z.-M.Niu, Y.-T.Wang, R.Wada

Isotopic cross-sections in proton induced spallation reactions based on the Bayesian neural network method

NUCLEAR REACTIONS 36,40Ar, 40Ca, 56Fe, 136Xe, 197Au, 208Pb, 238U(p, X), E=200-1500 MeV/nucleon; analyzed available data; deduced σ using the Bayesian neural network (BNN) method.

doi: 10.1088/1674-1137/44/1/014104
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2020MA61      Chin.Phys.C 44, 124107 (2020)

C.-W.Ma, D.Peng, H.-L.Wei, Y.-T.Wang, J.Pu

A Bayesian-neural-network prediction for fragment production in proton induced spallation reaction

NUCLEAR REACTIONS 36,40Ar, 40Ca, 56Fe, 136Xe, 197Au, 208Pb, 238U(p, X), E<1000 MeV/nucleon; analyzed available data; deduced fragment production in spallation reactions yields key infrastructure data, σ, parameters using the empirical SPACS parameterizations, a Bayesian-neural-network (BNN) approach.

doi: 10.1088/1674-1137/abb657
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2020WA25      Phys.Rev. C 102, 024620 (2020)

S.S.Wang, Y.G.Ma, X.G.Cao, D.Q.Fang, C.W.Ma

Hard-photon production and its correlation with intermediate-mass fragments in a framework of a quantum molecular dynamics model

NUCLEAR REACTIONS 40Ca(40Ca, X), E=60 MeV/nucleon; calculated differential σ from inclusive events with and without Pauli blocking for hard photons, separation time between direct photons and thermal photons as a function of impact parameter, production probabilities of photons and IMFs and multiplicity correlation as function of time, hard-photon (Eγ=20-130 MeV) energy spectra, temperatures as a function of incident energy. 40Ca(40Ca, X), E=40-120 MeV/nucleon; calculated multiplicities of direct and thermal photons, multiplicity of intermediate-mass fragments (IMFs), and multiplicity correlations between the direct photons or thermal photons and the IMFs as function of incident energy and centrality. 12C(14N, X), E=20, 30, 40 MeV/nucleon; calculated high-energy photon spectra and compared with experimental data. Isospin-dependent quantum molecular dynamics (IQMD) model by embedding incoherent neutron-proton bremsstrahlung photon production channel to investigate high-energy photon production and correlation with fragments.

doi: 10.1103/PhysRevC.102.024620
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2020WA30      Eur.Phys.J. A 56, 254 (2020)

S.S.Wang, Y.G.Ma, X.G.Cao, D.Q.Fang, C.W.Ma

Azimuthal anisotropy and multiplicities of hard photons and free nucleons in intermediate-energy heavy-ion collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=60 MeV/nucleon; analyzed available data; calculated average density, hard photon production probability, directed flows, scale-invariant momentum vs scale-invariant rapidity using a framework of isospin-dependent quantum molecular dynamics (IQMD) model.

doi: 10.1140/epja/s10050-020-00264-z
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2019WE10      Chin.Phys.C 43, 074103 (2019)

H.-L.Wei, Y.-D.Song, C.-W.Ma, Z.-H.Li, J.Su

Cross-section prediction for isotopes near neutron drip line in 70, 80Zn projectile fragmentation reactions

NUCLEAR REACTIONS 9Be(70Zn, X)59Ca/60Ca, E=345 MeV/nucleon; analyzed available data. 66,70Ca; deduced parameters, σ for production of very neutron rich calcium nuclei.

doi: 10.1088/1674-1137/43/7/074103
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2018HU04      Phys.Rev. C 97, 034909 (2018)

L.Huang, C.-W.Ma, G.-L.Ma

Investigating the quark flavor dependence of the chiral magnetic effect with a multiphase transport model

doi: 10.1103/PhysRevC.97.034909
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2018MA02      J.Phys.(London) G45, 015102 (2018)

C.-W.Ma, T.-T.Ding, J.-L.Tian

Mass dependence of temperature for intermediate mass fragment in heavy-ion reactions

NUCLEAR REACTIONS 9Be(40Ca, X), (48Ca, X), E=140 MeV/nucleon; analyzed available data; deduced mass and temperature dependence in fragment distributions.

doi: 10.1088/1361-6471/aa8a24
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2018MA10      Prog.Part.Nucl.Phys. 99, 120 (2018)

C.-W.Ma, Y.-G.Ma

Shannon information entropy in heavy-ion collisions

doi: 10.1016/j.ppnp.2018.01.002
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2018NI02      Chin.Phys.C 42, 034102 (2018)

F.Niu, C.-W.Ma

Pairing-energy coefficients of neutron-rich fragments in spallation reactions

NUCLEAR REACTIONS 208Pb, 238U, 136Xe, 56Fe(p, X), E<1 GeV/nucleon; analyzed available data; deduced the ratio of pairing-energy coefficient to temperature of neutron-rich fragments.

doi: 10.1088/1674-1137/42/3/034102
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2018NI05      Phys.Rev. C 97, 034609 (2018)

F.Niu, P.-H.Chen, Y.-F.Guo, C.-W.Ma, Z.-Q.Feng

Effect of isospin diffusion on the production of neutron-rich nuclei in multinucleon transfer reactions

NUCLEAR REACTIONS 208Pb(58Ni, X), E=256 MeV; 208Pb(64Ni, X), E=268 MeV; 198Pt(78Kr, X), E=307 MeV; 198Pt(86Kr, X), E=302 MeV; 198Pt(91Kr, X), E=294 MeV; calculated potential energy surface for 58Ni+208Pb reaction as functions of the protons and neutrons of the projectile-like and target-like fragments, yields for projectile-like Z=22-27, N=24-42 and for target-like fragments Z=79-81, 83-85, N=104-130 fragments, charge and mass distributions of fragments in multinucleon transfers (MNT) in 58Ni+208Pb and 64Ni+208Pb reactions, yields of Z=71-78, N=90-130 fragments and N=126 isotonic distributions in 78,86,91Kr+198Pt reactions. Dinuclear system model for production cross sections of neutron-rich isotopes. Comparison with available experimental data.

doi: 10.1103/PhysRevC.97.034609
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2018SO08      Chin.Phys.C 42, 074102 (2018)

Y.-D.Song, H.-L.Wei, C.-W.Ma

Predictions for cross sections of light proton-rich isotopes in the 40Ca + 9Be reaction

NUCLEAR REACTIONS 9Be(40Ca, X), E=140 MeV/nucleon; calculated σ for Z = 10-19; deduced empirical formula to predict σ using binding energies in AME16 evaluation.

doi: 10.1088/1674-1137/42/7/074102
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2018SO17      Phys.Rev. C 98, 024620 (2018)

Y.-D.Song, H.-L.Wei, C.-W.Ma

Fragmentation binding energies and cross sections of isotopes near the proton dripline

NUCLEAR REACTIONS 9Be(58Ni, X)39Ti/40Ti/41Ti/42Ti/39Sc/40V/41V/42V/43V/42Cr/43Cr/44Cr/45Cr/44Mn/45Mn/46Mn/47Mn/45Fe/46Fe/47Fe/48Fe/49Fe/47Co/48Co/49Co/50Co/51Co/48Ni/49Ni/50Ni/51Ni/52Ni/53Ni, E=140, 650 MeV/nucleon; calculated production σ(E); deduced exponential empirical correlation between the cross section σ and the average binding energies of proton-rich nuclei, the latter taken from AME-2016 evaluation. Scaling phenomenon in mirror nuclei.

doi: 10.1103/PhysRevC.98.024620
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2017MA09      Phys.Rev. C 95, 024612 (2017)

C.-W.Ma, L.Huang, Y.-D.Song

Scaling phenomena of isobaric yields in projectile fragmentation, spallation, and fission reactions

NUCLEAR REACTIONS 9Be, 181Ta(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; 1,2H(136Xe, X), E=500 MeV/nucleon; Pb(124Xe, X), (136Xe, X), 1H(136Xe, X), (238U, X), (56Fe, X), (208Pb, X), 2H(208Pb, X), (238U, X), E=1 GeV/nucleon; analyzed experimental yields of fragments with A=10-160 produced in projectile fragmentation, spallation, and fission reactions; deduced isobaric ratio difference scaling parameter SΔ ln R21 to investigate properties of the equilibrium system at the time of fragment formation.

doi: 10.1103/PhysRevC.95.024612
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2017MA70      J.Phys.(London) G44, 125101 (2017)

C.-W.Ma, J.-L.Xu

An empirical formula for isotopic yield in Fe + p spallation reactions

NUCLEAR REACTIONS 56Fe(p, X)23Na/24Na/25Na/26Na/35Cl/36Cl/37Cl/38Cl/45V/46V/52V/53V, E=300, 500, 750, 1000, 1500 MeV; measured reaction fragments; deduced σ and formula.

doi: 10.1088/1361-6471/aa90e6
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2017NI17      Phys.Rev. C 96, 064622 (2017)

F.Niu, P.-H.Chen, Y.-F.Guo, C.-W.Ma, Z.-Q.Feng

Multinucleon transfer dynamics in heavy-ion collisions near Coulomb-barrier energies

NUCLEAR REACTIONS 124Sn(48Ca, X), (40Ca, X), E(cm)/VC=1.12; 232Th(40Ca, X), (40Ar, X), (58Ni, X), E(cm)/VC=1; 248Cm(40Ca, X), (40Ar, X), (58Ni, X), E(cm)/VC=1, 1.02, 1.11; calculated σ for projectile-like (PLF) and target-like fragment (TLF) production. 248Cm(58Ni, X), E(cm)/VC=0.90, 1.01, 1.20; calculated σ for target-like fragment (TLF) production. Multistep model based on dinuclear system (DNS) concept for multinucleon transfer reactions near the Coulomb barrier energies.

doi: 10.1103/PhysRevC.96.064622
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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 130,132,134,142,144,146,148,150Nd, 134,136,138,144,148,150,152,154Sm; calculated β2, energies, dipole strengths, spectra of giant dipole resonances (GDR), dependence of GDR spectra on symmetry energy coefficient for 150Nd. Deformation evolution of giant dipole resonance. Extended quantum molecular dynamics model. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.054615
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2017YU05      Chin.Phys.C 41, 094001 (2017)

M.Yu, H.-L.Wei, Y.-D.Song, C.-W.Ma

Experimental determination of one- and two-neutron separation energies for neutron-rich copper isotopes

NUCLEAR REACTIONS 9Be(86Kr, X)65Cu/66Cu/67Cu/68Cu/69Cu/70Cu/71Cu/72Cu/73Cu/74Cu/75Cu/76Cu, E=64 MeV/nucleon; analyzed available data; deduced the one-neutron or two-neutron separation energy of neutron-rich isotopes.

doi: 10.1088/1674-1137/41/9/094001
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2016MA15      J.Phys.(London) G43, 045102 (2016)

C.-W.Ma, Y.-D.Song, C.-Y.Qiao, S.-S.Wang, H.-L.Wei, Y.-G.Ma, X.-G.Cao

A scaling phenomenon in the difference of Shannon information uncertainty of fragments in heavy-ion collisions

NUCLEAR REACTIONS 9Be(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; analyzed available data using Shannon's information-entropy uncertainty; calculated scaling phenomenon in the manner of canonical ensemble theory. Antisymmetric molecular dynamics (AMD) and AMD + GEMINI models.

doi: 10.1088/0954-3899/43/4/045102
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2016MA51      Phys.Rev. C 94, 024615 (2016)

C.-W.Ma, F.Niu, C.-Y.Qiao, Y.-F.Niu, T.-Z.Yan

Pairing energy of fragments produced in intermediate-energy heavy-ion collisions

NUCLEAR REACTIONS 9Be, 181Ta(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; analyzed experimental data for isobaric yield ratios to obtain ratio of the pairing-energy coefficient for fragments to the temperature. AMD+GEMINI models in the framework of modified Fisher model (MFM).

doi: 10.1103/PhysRevC.94.024615
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2015MA04      Phys.Rev. C 91, 014615 (2015)

C.-W.Ma, Y.-L.Zhang, C.-Y.Qiao, S.-S.Wang

Target effects in isobaric yield ratio differences between projectile fragmentation reactions

NUCLEAR REACTIONS 9Be, 181Ta(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; analyzed experimental data to investigate target effects on the isobaric yield ratios (IYR) and isobaric yield ratio differences (IBD) in different reactions. Proposed as a probe to study the difference between the neutron and proton densities of the reaction systems.

doi: 10.1103/PhysRevC.91.014615
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2015MA40      Chin.Phys.Lett. 32, 072501 (2015)

C.-W.Ma, Y.-L.Zhang, S.-S.Wang, C.-Y.Qiao

A Model Comparison Study of Fragment Production in 140 A MeV 58, 64Ni+9Be Reactions

NUCLEAR REACTIONS 9Be(58Ni, X), (64Ni, X), E=140 MeV/nucleon; calculated σ for fragments production using the AMD and AMD+GEMINI models. Comparison with available data.

doi: 10.1088/0256-307X/32/7/072501
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2015MA64      Phys.Rev. C 92, 064601 (2015)

C.-W.Ma, T.-T.Ding, C.-Y.Qiao, X.-G.Cao

Improved thermometer for intermediate-mass fragments in heavy-ion collisions with isobaric yield ratio difference

NUCLEAR REACTIONS 9Be, 181Ta(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; Pb(124Xe, X), (136Xe, X), E=1 GeV/nucleon; 112,124Sn(112Sn, X), (124Sn, X), E=1 GeV/nucleon; analyzed experimental isobaric yield ratios (IYR) for intermediate mass fragments (IMFs) using residual binding energies; deduced improved isobaric ratio thermometer (TIB) for IMFs in heavy-ion collisions.

doi: 10.1103/PhysRevC.92.064601
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2015QI06      Phys.Rev. C 92, 014612 (2015)

C.Y.Qiao, H.L.Wei, C.W.Ma, Y.L.Zhang, S.S.Wang

Isobaric yield ratio difference between the 140 A MeV 58Ni + 9Be and 64Ni + 9Be reactions studied by the antisymmetric molecular dynamics model

NUCLEAR REACTIONS 58,64Ni(9Be, X), E=140 MeV/nucleon; calculated cross-sectional distributions of fragments, and isobaric yield ratios (IYRs) for large-A, N-Z=0-3 fragments. Isobaric yield ratio difference (IBD) method. Antisymmetric molecular dynamics (AMD) model plus the sequential decay model GEMINI. Comparison with experimental data, and with other theoretical calculations.

doi: 10.1103/PhysRevC.92.014612
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2014MA31      Phys.Rev. C 89, 057602 (2014)

C.W.Ma, J.Yu, X.M.Bai, Y.L.Zhang, H.L.Wei, S.S.Wang

Isobaric yield ratio difference and neutron density difference in calcium isotopes

NUCLEAR REACTIONS 40Ca(38Ca, X), (42Ca, X), (44Ca, X), (46Ca, X), (48Ca, X), (50Ca, X), (52Ca, X), E=80 MeV/nucleon; 9Be(40Ca, X), (48Ca, X), E=140 MeV/nucleon; calculated isobaric yield ratio difference, ratio of chemical potential difference between neutrons and protons to temperature (IB-(Δμ21/T)) for prefragments and final fragments. Modified statistical abrasion-ablation (SAA) model, assuming Fermi type neutron density distribution. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.057602
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2014MA75      Eur.Phys.J. A 50, 139 (2014)

C.-W.Ma, X.-M.Bai, J.Yu, H.-L.Wei

Neutron density distributions of neutron-rich nuclei studied with the isobaric yield ratio difference

doi: 10.1140/epja/i2014-14139-1
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2014MA78      Chin.Phys.C 38, 104101 (2014)

C.-W.Ma, R.-Y.Jing, X.Feng, X.-G.Cao, C.J.Lu, H.-W.Wang

Investigation of neutron induced reactions on 23Na by using Talys1.4

NUCLEAR REACTIONS 23Na(n, n), (n, 2n), (n, X), (n, γ), (n, np), 22Na(n, X), E<40 MeV; calculated σ, yields. Talys-1.4 nuclear model code, comparison with experimental data.

doi: 10.1088/1674-1137/38/10/104101
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2013MA07      Chin.Phys.C 37, 024102 (2013)

C.-W.Ma, H.-L.Song, J.Pu, T.-L.Zhang, S.Zhang, S.-S.Wang

Symmetry energy from neutron-rich fragments in heavy-ion collisions, and its dependence on incident energy, and impact parameters

NUCLEAR REACTIONS 12C(60Ni, X), E=80, 140 MeV/nucleon; calculated fragments yield, σ, isobaric yield ratios. Comparison with available data.

doi: 10.1088/1674-1137/37/2/024102
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2013MA24      Phys.Rev. C 87, 034618 (2013)

C.-W.Ma, S.-S.Wang, Y.-L.Zhang, H.-L.Wei

Isobaric yield ratio difference in heavy-ion collisions, and comparison to isoscaling

NUCLEAR REACTIONS 9Be(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; analyzed isotopic (Z=6-19) and isotonic (N=8-21) yield ratio, IB-Δμ/Temp and IS-Δμ/Temp distributions. Isobaric yield ratio difference (IBD) method in heavy-ion collisions.

doi: 10.1103/PhysRevC.87.034618
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2013MA56      Phys.Rev. C 88, 014609 (2013)

C.-W.Ma, X.-L.Zhao, J.Pu, S.-S.Wang, C.-Y.Qiao, X.Feng, R.Wada, Y.-G.Ma

Temperature determined by isobaric yield ratios in a grand-canonical ensemble theory

doi: 10.1103/PhysRevC.88.014609
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2013MA75      Phys.Rev. C 88, 044612 (2013)

C.W.Ma, Hu.-L.Wei, Y.-G.Ma

Neutron-skin effects in isobaric yield ratios for mirror nuclei in a statistical abrasion-ablation model

NUCLEAR REACTIONS 9Be(36Ca, X), (40Ca, X), (44Ca, X), (48Ca, X), (56Ca, X), (45Si, X), (45S, X), (45Ar, X), (45Ca, X), (45Ti, X), (45Cr, X), (24F, X), (30F, X), (25Na, X), (40Mg, X), (34Al, X), (35P, X), (50S, X), (44Cl, X), (60K, X), (54Sc, X), (70Ti, X), (64Mn, X), (80Fe, X), (65Cu, X), (74Cu, X), (85As, X), (85Sr, X), E=140 MeV/nucleon; calculated isobaric yield ratios for mirror nuclei (IYR-m) as function of impact parameter, dependence on neutron-skin thickness of projectile, projectile isospin dependence. Neutron skin effects. Modified statistical abrasion-ablation model.

doi: 10.1103/PhysRevC.88.044612
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2013MA79      J.Phys.(London) G40, 125106 (2013)

C.-W.Ma, S.-S.Wang, Y.-L.Zhang, H.-L.Wei

Chemical properties of colliding sources in 124, 136Xe and 112, 124Sn induced collisions in isobaric yield ratio difference and isoscaling method

NUCLEAR REACTIONS 124Sn(124Sn, X), 112Sn(112Sn, X), Pb(124Xe, X), (136Xe, X), E=1 GeV/nucleon; calculated isocaling phenomena and parameters between fragments, isoscaling and isobaric yield ratio difference. Comparison with available data.

doi: 10.1088/0954-3899/40/12/125106
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2013PU01      Phys.Rev. C 87, 047603 (2013)

J.Pu, J.H.Chen, S.Kumar, Y.G.Ma, C.W.Ma, G.Q.Zhang

Influence of the symmetry energy on isospin ratios from projectile and target fragmentations in intermediate-energy heavy-ion collisions

NUCLEAR REACTIONS 58,64Ni(40Ca, X), (48Ca, X), E=50, 600 MeV/nucleon; calculated single and double ratios of neutrons to protons as a function of kinetic energy, sensitivity factor of the symmetry energy. Isospin-dependent quantum molecular dynamics (IQMD) model.

doi: 10.1103/PhysRevC.87.047603
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2012MA17      Chin.Phys.Lett. 29, 062101 (2012)

C.-W.Ma, J.Pu, S.-S.Wang, H.-L.Wei

The Symmetry Energy from the Neutron-Rich Nucleus Produced in the Intermediate-Energy 40, 48Ca and 58, 64Ni Projectile Fragmentation

NUCLEAR REACTIONS 9Be(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; calculated isobaric yield ratios, production of neutron-rich isobars. Modified Fisher model.

doi: 10.1088/0256-307X/29/6/062101
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2012MA28      Eur.Phys.J. A 48, 78 (2012)

C.-W.Ma, J.Pu, H.-L.Wei, S.-S.Wang, H.-Li.Song, S.Zhang, L.Chen

Symmetry energy extracted from fragments in relativistic energy heavy-ion collisions induced by 124, 136Xe

NUCLEAR REACTIONS Pb(124Xe, X), E=1 GeV/nucleon;H, Pb(136Xe, X), E=1 GeV/nucleon; calculated, analyzed fragment yields; deduced symmetry energy coefficient vs mass for different isospin.

doi: 10.1140/epja/i2012-12078-5
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2012MA38      Chin.Phys.Lett. 29, 092101 (2012)

C.-W.Ma, J.-B.Yang, M.Yu, J.Pu, S.-S.Wang, H.-L.Wei

Surface and Volume Symmetry Energy Coefficients of a Neutron-Rich Nucleus

doi: 10.1088/0256-307X/29/9/092101
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2012MA52      Phys.Rev. C 86, 054611 (2012)

C.W.Ma, J.Pu, Y.G.Ma, R.Wada, S.S.Wang

Temperature determined by isobaric yield ratios in heavy-ion collisions

NUCLEAR REACTIONS 9Be(64Ni, X), E=140 MeV/nucleon; 208Pb(136Xe, X), E=1 GeV/nucleon; analyzed σ, temperature (T) of fragments, and ratio of difference between the chemical potential of neutron and proton and temperature in heavy ion collisions using isobaric yield ratio (IYR) method. Modified statistical abrasion-ablation (SAA) model.

doi: 10.1103/PhysRevC.86.054611
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2011FU11      Phys.Rev. C 84, 037603 (2011)

Y.Fu, D.Q.Fang, Y.G.Ma, X.Z.Cai, W.D.Tian, H.W.Wang, W.Guo, G.H.Liu, C.W.Ma, R.R.Fan, F.Fu, H.Gao, Q.Gao, W.T.Guo, J.L.Han, Z.G.Hu, T.H.Huang, F.Jia, B.Li, X.G.Lei, Z.Y.Sun, M.Wang, J.S.Wang, Z.G.Xiao, Z.G.Xu, X.W.Yao, H.B.Zhang, X.H.Zhang, C.Zheng, H.S.Xu, G.Q.Xiao, W.L.Zhan

Measurement of the longitudinal momentum distribution of 30S after one-proton removal from 31Cl

NUCLEAR REACTIONS 12C(31Cl, 30S), E=44 MeV/nucleon; measured particle, spectra, TOF at RIBLL facility. 30S; deduced longitudinal fragment momentum distribution. 31Cl; calculated proton density distributions; deduced configuration of valence proton Few-body Glauber model analysis.

doi: 10.1103/PhysRevC.84.037603
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2011MA41      Phys.Rev. C 83, 064620 (2011)

C.-W.Ma, F.Wang, Y.-G.Ma, C.Jin

Isobaric yield ratios in heavy-ion reactions, and symmetry energy of neutron-rich nuclei at intermediate energies

NUCLEAR REACTIONS 9Be(48Ca, X), (64Ni, X), E=140 MeV/nucleon; calculated isobaric yield ratios of the fragments using a modified Fisher model. Correlations between the isobaric yield ratios and the energy coefficients in the Weiszacker-Bethe semiclassical mass formula.

doi: 10.1103/PhysRevC.83.064620
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2011MA61      Chin.Phys.C 35, 1017 (2011)

C.-W.Ma, S.S.Wang

Isospin dependence of projectile fragmentation and neutron-skin thickness of neutron-rich nuclei

NUCLEAR REACTIONS 9Be(40Ca, X), (48Ca, X), E=140 MeV/nucleon; Pb(124Xe, X), (136Xe, X), E=1 GeV/nucleon; measured reaction products; deduced fragments σ. Comparison with statistical abrasion-ablation model calculations.

doi: 10.1088/1674-1137/35/11/007
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2010MA01      J.Phys.(London) G37, 015104 (2010)

C.-W.Ma, H.-L.Wei, G.-J.Liu, J.-Y.Wang

Systematic behavior in the isospin dependence of projectile fragmentation of mirror nuclei with A = 20-60

NUCLEAR REACTIONS 12C(20Mg, X), (20O, X), (24Si, X), (24Ar, X), (36Ca, X), (36S, X), (40Ti, X), (40Ar, X), (44Ca, X), (44Cr, X), (60Ni, X), (60Ge, X), E=80 MeV/nucleon; calculated fragment cross section distribution; deduced isospin dependence of projectile fragmentation.

doi: 10.1088/0954-3899/37/1/015104
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2010MA47      Nucl.Phys. A834, 581c (2010)

C.-W.Ma, H.-L.Wei, H.-Y.Wang, W.-F.Li, Y.-Q.Li

The isospin dependence of the projectile fragmentation of mirror nuclei at intermediate energy

NUCLEAR REACTIONS 12C(20O, X)Be/B/C/N/O, (20Mg, X)Be/B/C/N/O, E=80 MeV/nucleon; measured isotope yields; deduced σ. 12C(60Ni, X)N/Ne/Al/S/K/Ti/Mn/Ni, (60Ge, X)N/Ne/Al/S/K/Ti/Mn/Ni, E=80 MeV/nucleon; measured isotope yields; deduced σ; analyzed effect of mirror nuclei systems using statistical abrasion-ablation model.

doi: 10.1016/j.nuclphysa.2010.01.097
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2010MA63      Phys.Rev. C 82, 057602 (2010)

C.-W.Ma, H.-L.Wei, M.Yu

Reexamination of the neutron skin thickness using neutron removal cross sections

NUCLEAR REACTIONS 12C(44Ca, X), (46Ca, X), (48Ca, X), (50Ca, X), (52Ca, X), E=1 GeV/nucleon; calculated σ as function of fragment mass and charge, correlations between σ for different fragment isotopes and corresponding S(n) values for finite neutron-rich nuclei. Statistical abrasion-ablation model.

doi: 10.1103/PhysRevC.82.057602
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2010TI03      Int.J.Mod.Phys. E19, 1076 (2010)

W.D.Tian, H.W.Wang, Y.G.Ma, G.H.Liu, C.W.Ma, Q.M.Su, T.Z.Yan, Y.Shi, X.Z.Cai, D.Q.Fang, J.G.Chen, W.Guo, K.Wang, H.S.Xu, Z.G.Hu, Z.G.Xiao, Z.Y.Sun, Z.Y.Guo, G.Q.Xiao, X.G.Lei, B.Li, X.H.Yuan, H.B.Zhang, X.W.Yao, W.T.Guo, X.H.Zhang, Q.Gao, C.Zheng, H.Gao, Z.G.Xu, F.Fu, J.L.Han, R.R.Fan

Projectile fragmentation of 36, 40Ar induced reactions

NUCLEAR REACTIONS 64Ni(36Ar, X), (40Ar, X), E=50 MeV/nucleon; measured reaction products; deduced fragment yields, σ(θ), isoscaling parameters. Comparison with empirical models.

doi: 10.1142/S0218301310015515
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2010TI05      Int.J.Mod.Phys. E19, 1815 (2010)

W.D.Tian, Y.G.Ma, H.W.Wang, G.H.Liu, C.W.Ma, Q.M.Su, T.Z.Yan, X.Z.Cai, D.Q.Fang, J.G.Chen, W.Guo, Y.Shi, K.Wang, H.S.Xu, Z.G.Hu, Z.G.Xiao, Z.Y.Sun, Z.Y.Guo, G.Q.Xiao, X.G.Lei, B.Li, X.H.Yuan, H.B.Zhang, X.W.Yao, W.T.Guo, X.H.Zhang, Q.Gao, C.Zheng, H.Gao, Z.G.Xu, F.Fu, J.L.Han, R.R.Fan

Projectile fragmentation of 36-40Ar induced reactions

NUCLEAR REACTIONS 64Ni(36Ar, X), (40Ar, X), E=50 MeV/nucleon; measured reaction products; deduced fragment yields, σ. Comparison with EPAX and SAA models.

doi: 10.1142/S0218301310016247
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0182.


2009FU19      Chin.Phys.C 33, Supplement 1, 126 (2009)

Y.Fu, D.-Q.Fang, Y.-G.Ma, X.-Z.Cai, W.Guo, C.-W.Ma, W.-D.Tian, H.-W.Wang, K.Wang

Isoscaling behavior studied by HIPSE model

NUCLEAR REACTIONS 9Be(58Ni, X), (64Ni, X), E=140 MeV/nucleon; calculated isotopic distribution, yield ratios; deduced HIPSE parameters dependence of isoscaling parameters. Heavy-ion phase-space exploration (HIPSE) model.

doi: 10.1088/1674-1137/33/S1/040
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2009MA13      Phys.Rev. C 79, 034606 (2009)

C.-W.Ma, H.-L.Wei, J.-Y.Wang, G.-J.Liu, D.-Q.Fang, W.-D.Tian, X.-Z.Cai, H.-W.Wang, Y.-G.Ma

Isospin dependence of projectile-like fragment production at intermediate energies

NUCLEAR REACTIONS 9Be(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), E=140 MeV/nucleon; calculated σ. Discussed isospin dependence of projectile fragmentation, shapes of fragment isotopic and isotonic distributions of different asymmetric projectiles. Statistical abration-ablation model. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.034606
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2008MA13      Chinese Physics B 17, 1216 (2008)

C.-W.Ma, Y.Fu, D.-Q.Fang, Y.-G.Ma, X.-Z.Cai, W.Guo, W.-D.Tian, H.-W.Wang

A possible experimental observable for the determination of neutron skin thickness

doi: 10.1088/1674-1056/17/4/011
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2008MA47      Int.J.Mod.Phys. E17, 1669 (2008)

C.W.Ma, Y.Fu, D.Q.Fang, Y.G.Ma, X.Z.Cai, W.D.Tian, K.Wang, C.Zhong

Isospin effect and isoscaling phenomenon in projectile fragmentation

doi: 10.1142/S0218301308010684
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2008TI10      Int.J.Mod.Phys. E17, 1705 (2008)

W.D.Tian, Y.G.Ma, X.Z.Cai, D.Q.Fang, W.Guo, C.W.Ma, G.H.Liu, W.Q.Shen, Y.Shi, H.W.Wang, K.Wang, T.Z.Yan

Dynamical and sequential decay effects on isoscaling and density dependence of the symmetry energy

doi: 10.1142/S0218301308010714
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2007FA14      J.Phys.(London) G34, 2173 (2007)

D.Q.Fang, Y.G.Ma, C.Zhong, C.W.Ma, X.Z.Cai, J.G.Chen, W.Guo, Q.M.Su, W.D.Tian, K.Wang, T.Z.Yan, W.Q.Shen

Systematic study of isoscaling behavior in projectile fragmentation by the statistical abrasion-ablation model

NUCLEAR REACTIONS 27Al(86Kr, X), E=44 MeV/nucleon; 27Al(129Xe, X), E=790 MeV/nucleon; 112Sn(112Sn, X), (124Sn, X), E=60 MeV/nucleon; calculated calculated fragment yields and isotopic distributions using a modified statistical abrasion-ablation model. Compared results to available data.

doi: 10.1088/0954-3899/34/10/007
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2007FA16      Phys.Rev. C 76, 031601 (2007)

D.Q.Fang, W.Guo, C.W.Ma, K.Wang, T.Z.Yan, Y.G.Ma, X.Z.Cai, W.Q.Shen, Z.Z.Ren, Z.Y.Sun, J.G.Chen, W.D.Tian, C.Zhong, M.Hosoi, T.Izumikawa, R.Kanungo, S.Nakajima, T.Ohnishi, T.Ohtsubo, A.Ozawa, T.Suda, K.Sugawara, T.Suzuki, A.Takisawa, K.Tanaka, T.Yamaguchi, I.Tanihata

Examining the exotic structure of the proton-rich nucleus 23Al

NUCLEAR REACTIONS 12C(23Al, p), E=74 MeV/nucleon; measured fragment longitudinal momentum distributions. 12C(23Al, X), (24Al, X), (24Al, X), E=74 MeV/nucleon; measured reaction cross sections. Compared results to model calculations.

doi: 10.1103/PhysRevC.76.031601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2047.


2007MA53      Nucl.Phys. A790, 299c (2007)

Y.G.Ma, X.Z.Cai, J.G.Chen, D.Q.Fang, W.Guo, G.H.Liu, C.W.Ma, E.J.Ma, W.Q.Shen, Y.Shi, Q.M.Su, W.D.Tian, H.W.Wang, K.Wang, Y.B.Wei, T.Z.Yan

Nucleon-nucleon momentum correlation function for light nuclei

NUCLEAR STRUCTURE 11Li; calculated binding energies, neutron-neutron correlation functions. 6,7,8,9,11Li, 13,14,15,16,17,18,19C, 14,15,16,17N; calculated binding energies, proton-neutron correlation functions. 27,28,29,30S; calculated binding energies, proton-proton correlation functions. Isospin-dependent quantum molecular dynamics.

doi: 10.1016/j.nuclphysa.2007.03.146
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2007MA56      Nucl.Phys. A787, 611c (2007)

Y.G.Ma, T.Z.Yan, X.Z.Cai, J.G.Chen, D.Q.Fang, W.Guo, G.H.Liu, C.W.Ma, E.J.Ma, W.Q.Shen, Y.Shi, Q.M.Su, W.D.Tian, H.W.Wang, K.Wang

Scaling of anisotropy flows in intermediate energy heavy ion collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), 58Ni, 124Sn(86Kr, X), E=25 MeV/nucleon; calculated directed flow vs rapidity, elliptic flow and 4th momentum anisotropy vs transverse momentum. Quantum molecular dynamics model. Nucleonic coalescence and reaction mechanism features discussed.

doi: 10.1016/j.nuclphysa.2006.12.091
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2007TI01      Chin.Phys.Lett. 24, 385 (2007)

W.-D.Tian, Yu.-G.Ma, X.-Z.Cai, D.-Q.Fang, W.Guo, C.-W.Ma, G.-H.Liu, W.-Q.Shen, Yu.Shi, Q.-M.Su, H.-W.Wang, K.Wang, T.-Z.Yan

Isoscaling in Statistical Sequential Decay Model

NUCLEAR STRUCTURE 150,168Re; calculated isotope yield ratios, isoscaling parameters from decay of excited nuclides. Sequential decay model.

doi: 10.1088/0256-307X/24/2/023
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2006GU28      Int.J.Mod.Phys. E15, 1523 (2006)

W.Guo, D.Q.Fang, Y.G.Ma, C.W.Ma, K.Wang, T.Z.Yan, X.Z.Cai, W.Q.Shen, Z.Y.Sun, Z.Z.Ren, J.G.Chen, J.H.Chen, G.H.Liu, E.J.Ma, G.L.Ma, Y.Shi, Q.M.Su, W.D.Tian, H.W.Wang, C.Zhong, J.X.Zuo, M.Hosoi, T.Izumikawa, R.Kanungo, S.Nakajima, T.Ohnishi, T.Ohtsubo, A.Ozawa, T.Suda, K.Sugawara, T.Suzuki, A.Takisawa, K.Tanaka, T.Yamaguchi, I.Tanihata

Measurements of reaction cross section and fragment momentum distribution for N=10 proton-rich isotones

NUCLEAR REACTIONS 12C(23Al, 22MgX), (24Al, 23MgX), (22Mg, 21NaX), (21Na, 20NeX), E not given; measured fragment parallel momentum distribution following one-proton removal. 12C(23Al, X), (24Al, X), E not given; measured reaction σ.

doi: 10.1142/S0218301306005101
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2047.


2006MA05      Phys.Rev. C 73, 014604 (2006)

Y.G.Ma, Y.B.Wei, W.Q.Shen, X.Z.Cai, J.G.Chen, J.H.Chen, D.Q.Fang, W.Guo, C.W.Ma, G.L.Ma, Q.M.Su, W.D.Tian, K.Wang, T.Z.Yan, C.Zhong, J.X.Zuo

Surveying the nucleon-nucleon momentum correlation function in the framework of quantum molecular dynamics model

NUCLEAR REACTIONS 12C(13C, X), (14C, X), (15C, X), (16C, X), (17C, X), (18C, X), (19C, X), E=800 MeV/nucleon; 12C(18C, X), E=100 MeV/nucleon; calculated two-nucleon momentum correlation functions. Isospin-dependent quantum molecular dynamics model.

doi: 10.1103/PhysRevC.73.014604
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2006MA62      Chin.Phys.Lett. 23, 2695 (2006)

E.-J.Ma, Yu.-G.Ma, J.-G.Chen, X.-Z.Cai, D.-Q.Fang, W.Guo, G.-H.Liu, C.-W.Ma, W.-Q.Shen, Yu.Shi, Q.-M.Su, W.-D.Tian, H.W.Wang, K.Wang, T.-Z.Yan

Cross Sections of Elastic Electron and Positron Scattering from Proton-Rich Nuclei

NUCLEAR REACTIONS 12C, 208Pb(e, e), (e+, e+), E=450 MeV; 12C, 16O(e, e), (e+, e+), E=374.5, 750 MeV; 28,32S(e, e), (e+, e+), E=250, 500 MeV; calculated σ(θ). Relativistic partial-wave expansion method, comparison with data.

doi: 10.1088/0256-307X/23/10/020
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2006MA96      High Energy Phys. and Nucl.Phys. (China), Supplement 2, 30, 186 (2006)

C.-W.Ma, D.-Q.Fang, W.Guo, K.Wang, T.-Z.Yan, Y.-G.Ma, X.-Z.Cai, W.-Q.Shen, Z.-Y.Sun, Z.-Z.Ren, J.-G.Chen, W.-D.Tian, H.-W.Wang, E.-J.Ma, G.-H.Liu, Y.Shi, Q.-M.Su, C.Zhong, M.Hosoi, T.Izumikawa, R.Kanungo, S.Nakajima, T.Ohnishi, T.Ohtsubo, T.Suda, K.Sugawara, T.Suzuki, A.Ozawa, A.Takisawa, K.Tanaka, T.Yamaguchi, I.Tanihata

Study of Exoticness of Proton-Rich Nuclei 23Al and it's Neighboring Nuclei


2006SU22      Int.J.Mod.Phys. E15, 1803 (2006)

Q.M.Su, D.Q.Fang, Y.G.Ma, C.Zhong, C.W.Ma, K.Wang, T.Z.Yan, X.Z.Cai, W.Q.Shen

Study of isoscaling phenomena for projectile-like fragments

NUCLEAR REACTIONS 112Sn(40Ca, X), (48Ca, X), (58Ni, X), (64Ni, X), (78Kr, X), (86Kr, X), (112Sn, X), (124Sn, X), (129Xe, X), (136Xe, X), E=60 MeV/nucleon; calculated fragment yields; deduced isoscaling parameters. Statistical abrasion-ablation model.

doi: 10.1142/S021830130600537X
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2006YA09      Phys.Lett. B 638, 50 (2006)

T.Z.Yan, Y.G.Ma, X.Z.Cai, J.G.Chen, D.Q.Fang, W.Guo, C.W.Ma, E.J.Ma, W.Q.Shen, W.D.Tian, K.Wang

Scaling of anisotropic flow and momentum-space densities for light particles in intermediate energy heavy ion collisions

NUCLEAR REACTIONS 124Sn(86Kr, X), E=25 MeV/nucleon; calculated elliptic and higher order flows vs transverse momentum, related quantities. Isospin dependent quantum molecular dynamics model.

doi: 10.1016/j.physletb.2006.05.018
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2005CH71      Chinese Physics 14, 2444 (2005)

J.-G.Chen, X.-Z.Cai, T.-T.Wang, Yu.-G.Ma, Z.-Z.Ren, D.-Q.Fang, C.Zhong, Yi.-B.Wei, W.Guo, X.-F.Zhou, K.Wang, G.-L.Ma, W.-D.Tian, J.-H.Chen, T.-Z.Yan, J.-X.Zuo, C.-W.Ma, W.-Q.Shen

Investigation on the deformation of Ne and Mg isotope chains within relativistic mean-field model

NUCLEAR STRUCTURE 18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36Ne, 20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44Mg; calculated deformations, binding energies, shape coexistence features. Relativistic mean-field model, comparison with data.

doi: 10.1088/1009-1963/14/12/013
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2005MA37      J.Phys.(London) G31, S1179 (2005)

Y.G.Ma, G.L.Ma, X.Z.Cai, J.G.Chen, J.H.Chen, D.Q.Fang, W.Guo, Z.J.He, H.Z.Huang, J.L.Long, C.W.Ma, B.H.Sa, W.Q.Shen, Q.M.Su, K.Wang, Y.B.Wei, T.Z.Yan, C.Zhong, J.X .Zuo

Δ-scaling and heat capacity in relativistic ion collisions

NUCLEAR REACTIONS 1H(p, X), C(C, X), Pb(Pb, X), E=20-200 GeV/nucleon; calculated particle multiplicities, heat capacity, Δ-scaling features.

doi: 10.1088/0954-3899/31/6/082
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2005MB06      Phys.Rev. C 72, 064603 (2005)

Y.G.Ma, K.Wang, X.Z.Cai, J.G.Chen, J.H.Chen, D.Q.Fang, W.Guo, C.W.Ma, G.L.Ma, W.Q.Shen, Q.M.Su, W.D.Tian, Y.B.Wei, T.Z.Yan, C.Zhong, X.F.Zhou, J.X.Zuo

Isoscaling behavior in fission dynamics

NUCLEAR REACTIONS 112Sn(112Sn, X), 116Sn(116Sn, X), E ≈ 7-10 MeV/nucleon; calculated fission fragment isotopic yields, mean temperature; deduced isoscaling behavior. Langevin model.

doi: 10.1103/PhysRevC.72.064603
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2005TI01      Chin.Phys.Lett. 22, 306 (2005)

W.-D.Tian, Yu.-G.Ma, X.-Z.Cai, J.G.Chen, J.-H.Chen, D.-Q.Fang, W.Guo, C.-W.Ma, G.-L.Ma, W.-Q.Shen, K.Wang, Y.-B.Wei, T.-Z.Yan, C.Zhong, J.-X.Zuo

Isoscaling Behaviour in the Isospin-Dependent Quantum Molecular Dynamics Model

NUCLEAR REACTIONS 40Ca(40Ca, X), 48Ca(48Ca, X), E=25-70 MeV/nucleon; calculated fragment yield ratios, isoscaling parameters. Isospin-dependent quantum molecular dynamics.

doi: 10.1088/0256-307X/22/2/011
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2004CH60      Chin.Phys.Lett. 21, 2140 (2004)

J.-G.Chen, X.-Z.Cai, T.-T.Wang, Y.-G.Ma, Z.-Z.Ren, D.-Q.Fang, C.Zhong, Y.-B.Wei, W.Guo, X.-F.Zhou, K.Wang, G.-L.Ma, W.-D.Tian, J.-X.Zuo, C.-W.Ma, J.-H.Chen, T.-Z.Yan, W.-Q.Shen

Investigation of Exotic Structure of the Largely Deformed Nucleus 23Al in the Relativistic-Mean-Field Model

NUCLEAR STRUCTURE 23Al; calculated ground-state binding energy, quadrupole deformation, radii, one- and two-proton separation energies, excited states energies, J, π, configurations. 20Ne, 21Na, 22Mg; calculated ground-state quadrupole deformations. Deformed relativistic mean field model.

doi: 10.1088/0256-307X/21/11/018
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1977MA23      Phys.Rev. C16, 1179 (1977)

C.W.Ma, J.O.Rasmussen

Microscopic Calculations of High-Spin Rotational States

NUCLEAR STRUCTURE 162Er, 168Yb, 174Hf, 238U; calculated high-spin rotational states. Diagonalization cranking model using BCS, fully particle-number-projection wave functions.

doi: 10.1103/PhysRevC.16.1179
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1975MA01      Phys.Rev. C11, 213 (1975)

C.W.Ma, C.F.Tsang

Microscopic Study of the Variable-Moment-of-Inertia Model for Rare-Earth Model

NUCLEAR STRUCTURE A=152-188; calculated force constant, moment of inertia parameter.

doi: 10.1103/PhysRevC.11.213
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1974MA05      Phys.Rev. C9, 1083 (1974)

C.W.Ma, J.O.Rasmussen

Exponential Dependence of the Nuclear Moment of Inertia on Pairing Correlation and the Pairing Stretch Model for Nuclear Rotation

NUCLEAR STRUCTURE 162Dy, 168Er, 172Yb, 178Hf, 182W; calculated levels.

doi: 10.1103/PhysRevC.9.1083
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1974TR05      Phys.Rev. C9, 2275 (1974)

W.W.True, C.W.Ma

Two-Step Shell-Model Calculation of 208Po

NUCLEAR STRUCTURE 208Po; two-step shell model, calculated levels, J, π.

doi: 10.1103/PhysRevC.9.2275
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1973MA42      Phys.Rev. C8, 2313 (1973)

C.W.Ma, W.W.True

Shell Model in the Lead Region

NUCLEAR STRUCTURE 206,210Pb, 210Po, 208,210Bi, 206,208Tl, 206Hg; calculated levels, J, π, binding energies, γ-branching, γ-mixing, S.

doi: 10.1103/PhysRevC.8.2313
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1971TR04      Phys.Rev. C3, 2421 (1971)

W.W.True, C.W.Ma, W.T.Pinkston

Negative-Parity States in Pb208

NUCLEAR STRUCTURE 208Pb; calculated levels, T(El), S, isobaric analog.

doi: 10.1103/PhysRevC.3.2421
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1970MA35      Phys.Rev. C2, 798 (1970)

C.W.Ma, J.O.Rasmussen

Nuclear Rotation: Cranking-Model Calculations and their Relation to Other Treatments

NUCLEAR STRUCTURE 152,154Sm, 154,156,158,160Gd, 160,162,164Dy, 164,166,168,170Er, 168,170,172,174,176Yb, 174,176,178,180Hf, 180,182,184,186W, 184,186,188Os; calculated cranking, Coriolis-antipairing corrections to rotational spectra.

doi: 10.1103/PhysRevC.2.798
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