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26 April 2024

» arxiv » nucl-th/0411097

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Isoscaling behavior in the Isospin dependent Quantum Molecular Dynamics model
W. D. Tian ; Y. G. Ma ; X. Z. Cai ; J. G. Chen ; J. H. Chen ; D. Q. Fang ; W. Guo ; C. W. Ma ; G. L. Ma ; W. Q. Shen ; K. Wang ; Y. B. Wei ; T. Z. Yan ; C. Zhong ; J. X. Zuo ;
Date:	24 Nov 2004
Journal:	Chin.Phys.Lett. 22 (2005) 306-309
Subject:	nucl-th nucl-ex
Abstract:	The isoscaling behavior is investigated in the frame of Isospin dependent Quantum Molecular Dynamics (IQMD) models. The isotopic yields ratio $Y_2$/$Y_1$ for reactions $^{48}Ca$+$^{48}Ca$ and $^{40}Ca+^{40}Ca$ at different entrance channels are simulated and presented, the relationship between the isoscaling parameter and the entrance channel is analyzed, the results show that $alpha$ and $eta$ reduce with the rise of incident energies and increase with the impact parameter b, which can be attributed to the temperature varying of the pre-fragments in different entrance channels. The relation of $alpha$ and symmetry-term coefficient $C_{sym}$ reveals that the chemical potential difference $ rianglemu$ is sensitive to the symmetry-term coefficient $C_{sym}$.
Source:	arXiv, nucl-th/0411097
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