PI-PI SPECTRUM IN GAMMA(3S) -] GAMMA(1S) PI-PI

被引：14
作者：
CHAKRAVARTY, S
KO, PW
机构：
来源：
PHYSICAL REVIEW D | 1993年 / 48卷 / 03期
关键词：
D O I：
10.1103/PhysRevD.48.1205
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the pipi spectrum in UPSILON(3S) --> UPSILON(1S)pipi decay using the most general matrix element in the lowest order in the pion momentum expansion. We find a good fit to the pipi spectrum, and predict various angular distributions of decay products of UPSILON(3S), all of which can be tested by current experiments.
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页码：1205 / 1211
页数：7
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