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The puzzles in $B o pipi$ and $ pi K$ decays: possible implications for R-parity violating supersymmetry | | Ya-Dong Yang
; Rumin Wang
; G.R.Lu
; | | Date: |
25 Sep 2005 | | Subject: | hep-ph | | Abstract: | Recent experiments suggest that certain data of $B o pipi,~pi K$ decays are inconsistent with the standard model expectations. We try to explain the puzzles in context of R-parity violating suppersymmetry. By employing the QCD factorization approach, we study these decays in the minimal supersymmetric standard model with R-parity violation. We show that R-parity violating can resolve the discrepancies in both $B o pipi$ and $B o pi K$, and find some parameter spaces satisfying all these requirements including the CP averaged branching ratios and the direct CP asymmetries. Furthermore, we have derived stringent bounds on relevant R-parity violating couplings from the latest experimental data, the most of these constraints are stronger than the existing bounds. | | Source: | arXiv, hep-ph/0509273 | | Services: | Forum | Review | PDF | Favorites | |
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