Interpretation of the neutron double-differential cross sections in the interactions of p+Al, Fe, and Zr at 1.2 GeV using the ultrarelativistic quantum molecular dynamics model -: art. no. 064610

被引：10

作者：

Abdel-Waged, K

机构：

[1] Umm Al Quru Univ, Fac Sci Appl, Dept Phys, Makkah Unit 126, Mecca, Saudi Arabia

[2] Benha Univ, Fac Sci, Dept Phys, Banha, Egypt

来源：

PHYSICAL REVIEW C | 2003年 / 67卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.67.064610

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：

The ultrarelativistic quantum molecular dynamics (UrQMD) model is incorporated with a statistical decay model aiming to describe the neutron double global-differential cross sections of p+Al, Fe, and Zr at 1.2 GeV. Good agreement is generally obtained with the default UrQMD parameters. In particular, the UrQMD calculation with a momentum dependent Pauli potential improves the intensity of the quasielastic peak in neutron double-differential cross sections. The lower and higher energy parts of the neutron spectra at backward angles are found to be sensitive to meson-meson and meson-baryon interactions. The influence of sequential evaporation and simultaneous multifragmentation disintegration mechanisms on the neutron spectra is also investigated. It is shown that the statistical multifragmentation model is more suited for the description of the lower part of the neutron energy spectra.

引用

页码：646101 / 646108

页数：8

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