B-->KK decays with the soft-gluon corrections

Thumbnail Image

Date

Authors

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

Description

We analyze the B->KK decays with the soft-gluon corrections by using the QCD light-cone sum rules (LCSR). Although QCD factorization approach calculates the leading order factorization parts and the radiative corrections from hard- gluon exchanges at $α_{s}$ order, it is worthwhile to estimate the nonfactorizable soft-gluon contributions from all the tree and penguin diagrams systematically. Our results show that the soft-gluon effects always decrease the branching ratios and give a few percentage corrections at most in the B->KK decays.
RevTex, 10 pages, three figure

Keywords

High Energy Physics - Phenomenology

Citation

URI

http://salesiana.dossiersoluciones.com/handle/123456789/42190

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0212277
 http://arxiv.org/abs/hep-ph/0212277

Collections

arXiv