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

页码：117501 / 1

页数：4

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