Instanton contribution to B→Xsγ decay

Junegone Chay, Soo Jong Rey

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Abstract

We study instanton effects on B→Xsγ decay using the heavy quark effective field theory and the operator product expansion. In the dilute gas approximation the effect is negligibly small. This is in contrast to the result of the instanton effect in inclusive semileptonic b→u decay but similar to the inclusive hadronic τ decay. We discuss the similarities and differences of the B→Xsγ decay compared to inclusive hadronic τ decay and semileptonic B decay.

Original languageEnglish
Pages (from-to)425-430
Number of pages6
JournalZeitschrift für Physik C Particles and Fields
Volume68
Issue number3
DOIs
Publication statusPublished - 1995 Sep 1

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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