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期刊论文

Isoscaling in the lattice gas model

马余刚Y. G. Ma K. Wang Y. B. Wei G. L. Ma X. Z. Cai J. G. Chen D. Q Fang W. Guo W. Q. Shen W. D. Tian C. Zhong

PHYSICAL REVIEW C 69, 064610 (2004),-0001,():

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摘要/描述

Isoscaling behavior is investigated using the isotopic and isobaric yields from an equilibrated thermal source which is prepared by the lattice gas model (LGM) for lighter systems with A=36. The isoscaling parameters a and b are observed to drop with temperature for the LGM with the asymmetric nucleon-nucleon potential. However, the isoscaling parameters do not show a temperature dependence for the LGM with the symmetric nucleon-nucleon potential. The relative neutron or proton density shows a nearly linear relation with the N/Z (neutron to proton ratio) of the system.

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