Probing nucleon effective mass splitting with light particle emission

Fang-Yuan Wang

doi:10.1007/s41365-023-01241-z

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Probing nucleon effective mass splitting with light particle emission

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH | Updated：2023-08-14

- Probing nucleon effective mass splitting with light particle emission
- Probing nucleon effective mass splitting with light particle emission
- 核技术（英文版） 2023年34卷第6期文章编号：94
- Affiliations：
  
  1.China Institute of Atomic Energy, Beijing 102413, China
  2.School of Science, Huzhou University, Huzhou 313000, China
  3.Department of Physics, Tsinghua University, Beijing 100084, China
  4.Guangxi Key Laboratory of Nuclear Physics and Technology, Guangxi Normal University, Guilin 541004, China
- Author bio：
  
  †zhyx@ciae.ac.cn
- Funds：
  
  National Natural Science Foundation of China(12275359;11875323;11961141003;U2032145;11890712);National Key R&D Program of China(2018YFA0404404);Continuous Basic Scientific Research Project(WDJC-2019-13;BJ20002501);China Institute of Atomic Energy(YZ222407001301)
- DOI：10.1007/s41365-023-01241-z
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Probing nucleon effective mass splitting with light particle emission[J]. 核技术（英文版）, 2023, 34(6):94

Fang-Yuan Wang, Jun-Ping Yang, Xiang Chen, et al. Probing nucleon effective mass splitting with light particle emission[J]. Nuclear Science and Techniques, 2023, 34(6):94
Probing nucleon effective mass splitting with light particle emission[J]. 核技术（英文版）, 2023, 34(6):94 DOI： 10.1007/s41365-023-01241-z.

Fang-Yuan Wang, Jun-Ping Yang, Xiang Chen, et al. Probing nucleon effective mass splitting with light particle emission[J]. Nuclear Science and Techniques, 2023, 34(6):94 DOI： 10.1007/s41365-023-01241-z.

摘要

Abstract

The main objective of this study was to investigate the impact of effective mass splitting on heavy-ion-collision observables. We first analyzed correlations between different nuclear matter parameters obtained from 119 effective Skyrme interaction sets. The values of the correlation coefficients illustrate that the magnitude of effective mass splitting is crucial for tight constraints on the symmetry energy via heavy-ion collisions. The ,86,Kr + ,208,Pb system at beam energies ranging from 25A to 200A MeV was simulated within the framework of the improved quantum molecular dynamics model (ImQMD-Sky). Our calculations show that the slopes of the spectra of ln [,Y,(n)/,Y,(p)] and ln [,Y,(t)/,Y,(,3,He)], which are the logarithms of the neutron to proton and triton to helium-3 yield ratios, are directly related to effective mass splitting and can be used to probe the effective mass splitting.

关键词

Keywords

Effective mass splittingSymmetry energyHeavy-ion collisionsSkyrme interaction

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