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

页码：1 / 10

页数：10

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