Projectile fragmentation reactions of 40Ar at 57 MeV/nucleon

X. H. Zhang (章学恒), Z. Y. Sun (孙志宇), R. F. Chen (陈若富), Z. Q. Chen (陈志强), Z. Y. Guo (郭忠言), J. L. Han (韩建龙), Z. G. Hu (胡正国), T. H. Huang (黄天衡), R. S. Mao (毛瑞士), Z. G. Xu (徐治国), M. Wang (王猛), J. S. Wang (王建松), Y. Wang (王玥), G. Q. Xiao (肖国青), H. S. Xu (徐瑚珊), X. H. Yuan (袁小华), H. B. Zhang (张宏斌), X. Y. Zhang (张雪荧), and T. C. Zhao (赵铁成)
Phys. Rev. C 85, 024621 – Published 27 February 2012

Abstract

The projectile fragmentation reactions of 40Ar at 57 MeV/nucleon on 9Be and 181Ta targets have been studied by the Radioactive Ion Beam Line in Lanzhou (RIBLL) at the Heavy-Ion Research Facility in Lanzhou (HIRFL). The momentum distributions of fragments have been measured and the competition between different mechanisms are observed. The production cross sections have been obtained and compared with the empirical parametrization of fragmentation cross section (EPAX), abrasion-ablation (AA), and heavy-ion phase space exploration (HIPSE) models, and the target dependence of fragment cross sections has also been discussed.

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  • Received 26 September 2011

DOI:https://doi.org/10.1103/PhysRevC.85.024621

©2012 American Physical Society

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Vol. 85, Iss. 2 — February 2012

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