Chin. Phys. Lett.  1999, Vol. 16 Issue (5): 339-341    DOI:
Original Articles |
Probing New Physics from CP Violation in Radiative B Decays
WU Yue-liang
Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080
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WU Yue-liang 1999 Chin. Phys. Lett. 16 339-341
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Abstract When new CP-violating interactions are dominated by flavor changing neutral particle exchanges, which may occur in many extensions of the standard model, we examine a type-3 two-Higgs-doublet model and find that direct CP asymmetries can be as large as about 25% . Time-dependent and time-integrated mixing-induced CP asymmetries up to 85 and 40%, respectively, are possible without conflict with other constraints. It mainly requirs an enhanced chromo-magnetic dipole b →sg decay to be close to the present experimental bound.

Keywords: 11.30.Er      12.60.Fr      13.25.Hw     
Published: 01 May 1999
PACS:  11.30.Er (Charge conjugation, parity, time reversal, and other discrete symmetries)  
  12.60.Fr (Extensions of electroweak Higgs sector)  
  13.25.Hw (Decays of bottom mesons)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1999/V16/I5/0339
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