Cabibbo-suppressed decays of the Ωc0 -: Feedback to the Ξc+ lifetime -: art. no. 117501

被引：5
|
作者：
Babic, A [1 ]
Guberina, B [1 ]
Melic, B [1 ]
Stefancic, H [1 ]
机构：
[1] Rudjer Boskovic Inst, Div Theoret Phys, HR-10002 Zagreb, Croatia
来源：
PHYSICAL REVIEW D | 2004年 / 70卷 / 11期
关键词：
D O I：
10.1103/PhysRevD.70.117501
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigate a possible background of the type Omega(c)(0)-->Xi(c)(+)pi(-) to the CLEO Xi(c)(+) lifetime measurement. This decay mode may lead to an overestimate of the Xi(c)(+) decay length and, therefore, increase the measured Xi(c)(+) lifetime. The branching ratio Gamma(Omega(c)(0)-->Xi(c)(+)pi(-))/Gamma(Omega(c)(0)-->Omega(-)pi(+)) is analyzed in the framework of the pole model and the modified current algebra. We find that the Omega(c)(0)-->Xi(c)(+)pi(-) decay mode could not generate a substantial systematic error in the Xi(c)(+) lifetime measurement.
引用
收藏
页码：117501 / 1
页数：4
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