Search for new physics from $B\toπφ$

Details Search for new physics from $B\toπφ$ Search for new physics from $B\toπφ$

2006-12-11

arxiv.org/abs/hep-ph/0612116v1

Phys.Lett.B647:413-418,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

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Scientific paper

10.1016/j.physletb.2007.01.053

We investigate the pure penguin process $B^-\to \pi^-\phi$ using QCD factorization approach to calculate hadronic matrix elements to the $\alpha_s$ order in some well-known NP models. It is shown that the NP contributions in R-parity conserved SUSY models and 2HDMs are not enough to saturate the experimental upper bounds for $B\to \phi \pi$. We have shown that the flavor changing $Z^\prime$ models can make the branching ratios of $B\to \phi \pi$ to saturate the bound under all relevant experimental constraints.

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