NONLEPTONIC WEAK DECAYS OF CHARMED MESONS

被引：161

作者：

BUCCELLA, F

LUSIGNOLI, M

MIELE, G

PUGLIESE, A

SANTORELLI, P

机构：

[1] UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS,ROME,ITALY

[2] INFN,ROME,ITALY

来源：

PHYSICAL REVIEW D | 1995年 / 51卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.51.3478

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A previous analysis of two-body Cabibbo-allowed nonleptonic decays of D0 mesons and of Cabibbo-allowed and first-forbidden decays of D+ and Ds+ has been adjourned using more recent experimental data and extended to the Cabibbo-forbidden decays of D0. Annihilation and W-exchange contributions as well as final state interaction effects (assumed to be dominated by nearby resonances) have been included and are in fact crucial to obtain a reasonable agreement with the experimental data, which show large flavor SU(3) violations. New fitting parameters are necessary to describe rescattering effects for Cabibbo-forbidden D0 decays, given the lack of experimental information on isoscalar resonances. We keep their number to a minimum, three, using phenomenologically based considerations. We also discuss CP-violating asymmetries. © 1995 The American Physical Society.

引用

页码：3478 / 3486

页数：9

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