CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Understanding the symmetry energy using data from the ALADIN-2000 Collaboration taken at the GSI Large Neutron Detector
Kumar, S; Ma, YG(马余刚)
2012
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume86Issue:5
AbstractThe present study deals with the extraction of the symmetry energy from heavy-ion collisions at intermediate energies. Using the isospin quantum molecular dynamical (IQMD) model, the dependence of the sum of the charge number for fragments with Z >= 2(Z(bound)) on the multiplicity of neutrons (M-n) from the projectile spectator fragmentation of Sn-124 and La-124 at 600 MeV/nucleon is compared with the experimental results of the ALADIN-2000 Collaboration. The comparison suggests a soft symmetry energy. In addition, the sensitivities of the symmetry energy toward the Z(bound) dependence on proton multiplicity (M-p), neutron-to-proton single [R(n/p)] and double ratio [R-D (n/p)], are also examined. The Z(bound) dependence of R(n/p) is found to be the most sensitive observable toward the symmetry energy. The ALADIN Collaboration should extend the results for R(n/p) in the near future.
Language英语
Funding Project应物所项目组
WOS IDWOS:000311373600001
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13334
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Kumar, S,Ma, YG. Understanding the symmetry energy using data from the ALADIN-2000 Collaboration taken at the GSI Large Neutron Detector[J]. PHYSICAL REVIEW C,2012,86(5).
APA Kumar, S,&Ma, YG.(2012).Understanding the symmetry energy using data from the ALADIN-2000 Collaboration taken at the GSI Large Neutron Detector.PHYSICAL REVIEW C,86(5).
MLA Kumar, S,et al."Understanding the symmetry energy using data from the ALADIN-2000 Collaboration taken at the GSI Large Neutron Detector".PHYSICAL REVIEW C 86.5(2012).
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