A new mechanism for B± → η′K± in perturbative QCD

Dongsheng Du, C. S. Kim, Yadong Yang

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Abstract

We present a new mechanism for B± → η′K±, and analyze it strictly within perturbative QCD. We find that such a new mechanism may dominate non-leptonic B-decays to light mesons. Within a reasonable parameter space, our prediction is in good agreement with the recent CLEO data on B± → η′K±. We conclude that there is no room for an abnormally large b → sg vertex from physics beyond the Standard Model.

Original languageEnglish
Pages (from-to)133-138
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume426
Issue number1-2
DOIs
Publication statusPublished - 1998 Apr 30

Bibliographical note

Funding Information:
We thank H.Y. Cheng and M. Drees for careful reading of the manuscript and valuable comments. D.Du and Y.D.Yang are supported in part by the National Natural Science Foundation and the Grant of State Commission of Science and Technology of China. The work of CSK was supported in part by Non-Directed-Research-Fund, KRF in 1997, in part by the CTP, Seoul National University, in part by Yonsei University Faculty Research Fund of 1997, in part by the BSRI Program, Ministry of Education, Project No. BSRI-97-2425 and in part by the KOSEF-DFG large collaboration project, Project No. 96-0702-01-01-2.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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