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NSR database version of April 27, 2024.

Search: Author = Y.F.Guo

Found 11 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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2022GU13      Phys.Rev. C 106, L021601 (2022)

Y.-F.Guo, G.-C.Yong

Isospin blocking and its effects in heavy-ion collisions

NUCLEAR REACTIONS ¹²⁴Sn(¹³²Sn, X), ¹¹²Sn(¹⁰⁸Sn, X), E=270 MeV/nucleon; calculated spatial distributions of density and isospin asymmetry, time evolution of the isospin asymmetry as a function of density. Introduced term "isospin blocking" - dependence of the isospin asymmetry diffusion on the local value of the symmetry energy.

doi: 10.1103/PhysRevC.106.L021601
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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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2021ZH21      Phys.Rev. C 103, 034615 (2021)

Z.-Z.Zhang, Y.-F.Guo, G.-C.Yong

Probing the in-medium nucleon-nucleon inelastic scattering cross section by using an energy-dependent n/p ratio

NUCLEAR REACTIONS ¹³²Sn(¹²⁴Sn, X), E=270, 400 MeV/nucleon; calculated in-medium baryon-baryon inelastic scattering cross section, and effects on the n/p ratio, energetic nucleons resonances, the ratio of charged resonances, and kinetic energy distribution of the π^-/π⁺ ratio in central collisions. Isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model with nucleon-proton short-range correlations.

doi: 10.1103/PhysRevC.103.034615
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2019GU19      Phys.Rev. C 100, 014617 (2019)

Y.F.Guo, G.-C.Yong

High p_t squeezed-out n/p ratio as a probe of K_sym of the symmetry energy

NUCLEAR REACTIONS ¹⁹⁷Au(¹⁹⁷Au, X), E=400, 600 MeV/nucleon; calculated neutron and proton elliptic flows, and effects of the curvature of nuclear symmetry energy on the transverse momentum distribution of the ratio of midrapidity neutrons to protons emitted in collision. Isospin-dependent Boltzmann-Uehling-Uhlenbeck (BUU) transport model.

doi: 10.1103/PhysRevC.100.014617
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2018GU19      Chin.Phys.C 42, 124106 (2018)

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

Isospin effect in peripheral heavy-ion collisions at Fermi energies

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), (⁷⁸Kr, X), (¹³⁶Xe, X), ¹³⁶Xe(¹³⁶Xe, X), ¹²⁴Sn(⁸⁶Kr, X), (¹²⁴Sn, X), E=15, 20, 30 MeV/nucleon; analyzed available data using the statistical code GEMINI; deduced isospin migration from the high-isospin density to the low-density matter occurrence in the neutron-rich nuclear reactions.

doi: 10.1088/1674-1137/42/12/124106
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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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2017CH24      Eur.Phys.J. A 53, 95 (2017)

P.-H.Chen, Z.-Q.Feng, F.Niu, Y.-F.Guo, H.-F.Zhang, J.-Q.Li, G.-M.Jin

Production of proton-rich nuclei around Z = 84-90 in fusion-evaporation reactions

NUCLEAR REACTIONS ¹⁶⁵Ho, ¹⁶⁹Tm, ^{170,171,172,173,174}Yb, ^175,176Lu, ^{175,176,177,178,179,180}Hf, ¹⁸¹Ta(²⁸Si, x), (³²S, x), (⁴⁰Ar, x), E^*=30-100 MeV; calculated proton-rich nuclei around Z=84-90 production σ using dinuclear system model. Compared with available data.

doi: 10.1140/epja/i2017-12281-x
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2017CH27      Eur.Phys.J. A 53, 128 (2017)

J.Chen, Z.-Q.Feng, P.-H.Chen, F.Niu, Y.-F.Guo, J.-S.Wang

In-medium and isospin effects on eta production in heavy-ion collisions near threshold energies

doi: 10.1140/epja/i2017-12325-3
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2017GU33      Chin.Phys.C 41, 104104 (2017)

Y.-F.Guo, P.-H.Chen, F.Niu, H.-F.Zhang, G.-M.Jin, Z.-Q.Feng

Isospin splitting of nucleon effective mass and symmetry energy in isotopic nuclear reactions

NUCLEAR REACTIONS ¹¹²Sn(¹¹²Sn, X), E=50 MeV/nucleon;¹²⁴Sn(¹²⁴Sn, X), E=120 MeV/nucleon; analyzed available data; deduced constraining the isospin splitting of nucleon effective mass and the symmetry energy at subsaturation densities.

doi: 10.1088/1674-1137/41/10/104104
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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)/V_C=1.12; ²³²Th(⁴⁰Ca, X), (⁴⁰Ar, X), (⁵⁸Ni, X), E(cm)/V_C=1; ²⁴⁸Cm(⁴⁰Ca, X), (⁴⁰Ar, X), (⁵⁸Ni, X), E(cm)/V_C=1, 1.02, 1.11; calculated σ for projectile-like (PLF) and target-like fragment (TLF) production. ²⁴⁸Cm(⁵⁸Ni, X), E(cm)/V_C=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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