RADIATIVE WEAK DECAYS OF CHARM MESONS

被引：99

作者：

BURDMAN, G

GOLOWICH, E

HEWETT, JL

PAKVASA, S

机构：

[1] UNIV MASSACHUSETTS, DEPT PHYS & ASTRON, AMHERST, MA 01003 USA

[2] STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA

[3] UNIV HAWAII, DEPT PHYS & ASTRON, HONOLULU, HI 96822 USA

来源：

PHYSICAL REVIEW D | 1995年 / 52卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.52.6383

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We address standard model predictions for flavor-changing radiative transitions of the pseudoscalar charm mesons. Short-distance contributions in D radiative transitions are contrasted with those in B decays. A full analysis is presented of the c --> u + gamma electromagnetic penguin amplitude with QCD radiative corrections included. Given the importance of long-range effects for the charm sector, special attention is paid to such contributions as the vector dominance and pole amplitudes. A number of two-body final states in exclusive charm radiative decays is considered and the corresponding branching ratio predictions are given.

引用

页码：6383 / 6399

页数：17

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