标量模型中的瞬子传播子:精确表达式及其对瞬子诱导过程的贡献
高能物理 - 唯象学
2007-05-23 v1
摘要
研究了四维-λφ⁴标量模型中瞬子背景下的传播子。计算了其大动量渐近行为的领头阶和次领头阶项以及其壳上双留数。这些结果被应用于初态和初末态修正的分析,以及多粒子散射过程截面指数次领头阶(传播子)修正的计算。
引用
@article{arxiv.hep-ph/0001156,
title = {Instanton propagator in scalar model: exact expression and contribution to instanton induced processes},
author = {Yu. A. Kubyshin and P. G. Tinyakov},
journal= {arXiv preprint arXiv:hep-ph/0001156},
year = {2007}
}
备注
17 pages, Latex, 1 ps figure. Based on the talk given by Yu.K. at the XIVth Workshop on Quantum Field Theory and High Energy Physics (May 27 - June 2, 1999, Moscow