TAU-]PI-K-NU DECAY AND PI-K SCATTERING

被引：25

作者：

BELDJOUDI, L

TRUONG, TN

机构：

来源：

PHYSICS LETTERS B | 1995年 / 351卷 / 1-3期

关键词：

D O I：

10.1016/0370-2693(95)00158-H

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using chiral low energy theorems and elastic unitarity assumption, the tau --> pi K nu decay is investigated. The vector and scalar pi K form factors are calculated. It is found that the pi K spectrum is dominated by the K* resonance, By measuring the forward-backward asymmetry, it is shown that the S wave pi K phase shift can be determined near the K* resonance region. The calculated branching ratio and resonance parameters are in good agreement with experiments.

引用

页码：357 / 368

页数：12

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