Reexamining the isospin-relaxation time in intermediate-energy heavy-ion collisions
Journal Article
·
· Physical Review C
- Chinese Academy of Sciences (CAS), Shanghai (China); Chinese Academy of Sciences (CAS), Beijing (China); ShanghaiTech Univ. (China)
- Chinese Academy of Sciences (CAS), Shanghai (China)
- Texas A & M Univ., Commerce, TX (United States)
- Chinese Academy of Sciences (CAS), Shanghai (China); ShanghaiTech Univ. (China)
Isospin-relaxation times characterizing isospin transport processes between the projectile and the target with different N/Z ratios and that between the neck and the spectator with different isospin asymmetries and densities in intermediate-energy heavy-ion collisions are studied within an isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model using the lattice Hamiltonian approach. The respective roles and timescales of the isospin diffusion and drift as the major mechanisms of isospin transport in intermediate-energy heavy-ion collisions are discussed. Finally, effects of nuclear symmetry energy and neutron-proton effective mass splitting on the isospin relaxation times are examined.
- Research Organization:
- Texas A & M Univ., College Station, TX (United States); Texas A & M Univ., Commerce, TX (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP); Major State Basic Research Development Program of China; National Natural Science Foundation of China (NSFC); Shanghai Key Laboratory of Particle Physics and Cosmology
- Grant/Contract Number:
- SC0013702; SC0009971; FG02-13ER42025; 2015CB856904; 11475243; 11320101004; 11421505; 15DZ2272100
- OSTI ID:
- 1658227
- Alternate ID(s):
- OSTI ID: 1482423; OSTI ID: 1611283
- Journal Information:
- Physical Review C, Vol. 98, Issue 5; ISSN 2469-9985
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 5 works
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