B → s + γ in SUSY without R-parity

Otto C.W. Kong, Rishikesh D. Vaidya

Research output: Contribution to journalArticlepeer-review


We present a systematic analysis of all the contributions at the leading log to the decay rate of b → s + γ in the framework of supersymmetry without R-parity. We focus on the influence of trilinear λ′ ijk couplings and report on the possibility of a few orders of magnitude improvement for the bounds on a few combinations of λ′. Our studies show that the Wilson coefficients of the current-current operators due to RPV dominate over the penguins. However, the inter play of various contributions is complicated, due to the QCD corrections which we elaborate here.

Original languageEnglish
Pages (from-to)S417-S423
JournalJournal of the Korean Physical Society
Issue number2 SUPPL.
StatePublished - Nov 2004


  • B decays
  • Supersymmetry


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