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- W1997980084 abstract "By employing the QCD factorization approach, we calculate the new physics contributions to the branching radios of the two-body charmless $ B to PP$ decays in the framework of the minimal supergravity (mSUGRA) model. Within the considered parameter space, we find that (a) the supersymmetric (SUSY) corrections to the Wilson coefficients $C_k$ ($k=3-6$) are very small and can be neglected safely, but the leading order SUSY contributions to $C_{7gamma}(M_W)$ and $C_{8g}(M_W)$ can be rather large and even change the sign of the corresponding coefficients in the standard model; (b) the possible SUSY contributions to those penguin-dominated decays in mSUGRA model can be as large as $30-50%$; (c) for the well measured $B to K pi$ decays, the significant SUSY contributions play an important rule to improve the consistency of the theoretical predictions with the data; (d) for $B to K eta'$ decays, the theoretical predictions of the corresponding branching ratios become consistent with the data within one standard deviation after the inclusion of the large SUSY contributions in the mSUGRA model." @default.
- W1997980084 created "2016-06-24" @default.
- W1997980084 creator A5017163347 @default.
- W1997980084 creator A5077004706 @default.
- W1997980084 date "2004-11-05" @default.
- W1997980084 modified "2023-09-25" @default.
- W1997980084 title "CharmlessB→PPdecays and new physics effects in the minimal supergravity model" @default.
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