Isospin effect of nucleon-nucleon cross section on the isoscaling parameter α | Zendy

Liu Jianye | Zendy; Guo Wen-Jun | Zendy; Zuo Wei | Zendy; Xi-Guo Lee | Zendy

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Isospin effect of nucleon-nucleon cross section on the isoscaling parameter α

Author(s) -

Liu Jianye,

Guo Wen-Jun,

Zuo Wei,

Xi-Guo Lee

Publication year - 2008

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.57.5458

Subject(s) - isospin , nucleon , physics , nuclear physics , cross section (physics) , particle physics , quantum mechanics

The isospin effects of isoscaling parameter α on the nucleon-nucleon cross section are investigated for two couples of central nuclear reactions 40C+ 40Ca with 60Ca + 40Ca and 112Sn+ 112Sn with 124Sn+ 124Sn within an isospin dependent quantum molecular dynamics. It is found that the isospin effect of isoscaling parameter α on the isospin dependent nucleon-nucleon cross section σmedNN(αm) compared with that on the isospin independent nucleon-nucleon cross sections σ1NN(αm) is very obvious. However, the isospin effect of isoscaling parameter α on σmedNN(αm) compared with that on the isospin independent nucleon-nucleon cross section σ2NN(αm) is small. The mechanisms for the above difference are investigated in detail.

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