软 gluon 辐射与总 hadronic 交叉截面能量依赖性
高能物理 - 唯象学
2008-11-26 v3
摘要
应用软 gluon 辐射的势能表示来获得原子核-原子核碰撞总交叉截面()的初始下降以及对两种和的后续上升。非扰动软部分的 eikonal 仅包含有限的低能 gluon 辐射,导致原子核-原子核交叉截面初始下降。相反,eikonal硬扰动喷流部分的快速上升被软 gluon 辐射所制约,软 gluon 辐射的最大能量随能量缓慢上升,从而转化为实验观察到的温和上升。
引用
@article{arxiv.hep-ph/0408355,
title = {Soft gluon radiation and energy dependence of total hadronic cross-sections},
author = {R. M. Godbole and A. Grau and G. Pancheri and Y. N. Srivastava},
journal= {arXiv preprint arXiv:hep-ph/0408355},
year = {2008}
}
备注
30 pages, 6 figures. Version accepted for publication in Physical Review D. Additional section with explanatory material added making the paper more self contained and two figures changed to have a complete summary of the available accelerator data