喷气形状:高阶修正、求和与喷气化
高能物理 - 唯象学
2009-10-30 v3
摘要
喷气形状是衡量喷气能量分布范围的简单方法。目前,喷气形状分布仅计算到强子耦合理论的领先阶。本文我们考虑了这些预测受到更高阶扰动修正、对增强修正的求和(以及非扰动修正)的影响。我们还指出,当前的圆锥型喷气定义对于超过三个夸克的最终态不可红外安全。除非采用改进的定义,否则实验室实验将永远无法以湮灭中已实现的定量精度来研究喷气的内部特性。
引用
@article{arxiv.hep-ph/9707338,
title = {Jet Shapes in Hadron Collisions: Higher Orders, Resummation and Hadronization},
author = {Michael H. Seymour},
journal= {arXiv preprint arXiv:hep-ph/9707338},
year = {2009}
}
备注
Replaced version adds several references, corrects a mistake in the description of CDF's jet algorithm and several minor inconsistencies. No results are affected. 34 pages, 29 figures. This paper can also be obtained from http://surya11.cern.ch/users/seymour/pubs/profile.ps.gz