Dispersive approaches for three-particle final state interaction

被引：26
|
作者：
Guo, Peng [1 ,2 ,3 ]
Danilkin, I. V. [3 ]
Szczepaniak, Adam P. [1 ,2 ,3 ]
机构：
[1] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA
[2] Indiana Univ, Ctr Explorat Energy & Matter, Bloomington, IN 47408 USA
[3] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA
来源：
EUROPEAN PHYSICAL JOURNAL A | 2015年 / 51卷 / 11期
基金：
美国国家科学基金会;
关键词：
TREIMAN-TYPE EQUATIONS; PION-PION SCATTERING; PERTURBATION-THEORY; 3-BODY DECAY; FIELD THEORY; UNITARITY; AMPLITUDES; MODEL; ANALYTICITY; PARTICLES;
D O I：
10.1140/epja/i2015-15135-7
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：
In this work, we present different representations of the Khuri-Treiman equation and discuss advantages and disadvantages of each representation. In particular we focus on the inversion technique proposed by Pasquier, which, even though developed a long time ago, has not been used in modern analyses of data on three particle decays. We apply the method to a toy model and compare the sensitivity of this and alternative solution methods to the left-hand cut contribution. We also discuss the meaning and applicability of Watson's theorem when three particles in final states are involved.
引用
收藏
页码：1 / 10
页数：10
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