Nuclear stopping and light charged particle emission in 12C+12C at 95 MeV/nucleon

被引：18

作者：

Tian, G. ^{[1
,2
]}

Wada, R. ^{[1
,3
]}

Chen, Z. ^{[1
]}

Han, R. ^{[1
]}

Lin, W. ^{[1
]}

Liu, X. ^{[1
]}

Ren, P. ^{[1
,2
]}

Shi, F. ^{[1
]}

Luo, F. ^{[1
]}

Sun, Q. ^{[1
,2
]}

Song, L. ^{[1
,2
]}

Xiao, G. Q. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA

来源：

PHYSICAL REVIEW C | 2017年 / 95卷 / 04期

基金：

中国国家自然科学基金;

关键词：

ANTISYMMETRIZED MOLECULAR-DYNAMICS; HEAVY-ION COLLISIONS; MICROSCOPIC CALCULATION; PROTON EMISSION; CROSS-SECTIONS; EXCITATION; SPECTRA; PB-208; ENERGY; S-32;

D O I：

10.1103/PhysRevC.95.044613

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Detailed comparisons between the experimental data of C-12 + C-12 at 95A MeVand transport model simulations are presented for all charged particles and fragments. For the simulations, antisymmetrized molecular dynamics (AMD), a modified version of AMD (AMD-FM), and constrained molecular dynamics (CoMD), are used. The experimental energy spectra and angular distributions are well reproduced by the AMD-FM calculations for light charged particles with Z <= 2. We show that the nuclear stopping plays a key role for these observables. The production mechanisms of light charged particles are discussed. The angular distributions of isotopes with Z > 2 are qualitatively reproduced reasonably well, but the yields are 2-10 times smaller in the simulations for most isotopes.

引用

页数：15

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