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preprints:1997:ttp97-22 [2016/03/17 11:03] (current)
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 +====== TTP97-22 New physics in penguin dominated $B \to \pi K$ decays  ====== 
 +   <hidden TTP97-22  New physics in penguin dominated $B \to \pi K$ decays  > Measurements of the combined branching ratios for $B^\pm \to \pi^\pm K$ and 
 + $B_d \to \pi^\mp K^\pm$ allow interesting constraints on the CKM angle  
 + $\gamma$, the ratio $r \equiv |T'|/|P'|$ of the current-current and penguin 
 + operator contributions to $B_d \to \pi^\mp K^\pm$, and the CP asymmetry 
 + in that decay. Present CLEO results for these branching ratios indicate 
 + where problems with consistency of the Standard Model may arise in the  
 + future. In this paper we discuss scenarios of new physics in these decays  
 + and investigate their implications for the above constraints. 
 + </hidden> 
 +|**Robert Fleischer, Thomas Mannel**  |  
 +| {{preprints:1997:ttp97-22.pdf|PDF}} {{preprints:1997:ttp97-22.ps|PostScript}} [[http://arxiv.org/abs/hep-ph/9706261|arXiv]]   | 
 +| |