Chin. Phys. Lett.  2008, Vol. 25 Issue (7): 2421-2424    DOI:
Original Articles |
A Simply Modified Single Pole Scenario For B→K* Form Factors
LIU Shao-Min, JIN Hong-Ying
Department of Physics, Zhejiang University, Hangzhou 310027
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LIU Shao-Min, JIN Hong-Ying 2008 Chin. Phys. Lett. 25 2421-2424
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Abstract We revisit the form factors of B→ K* by using the heavy quark limit and large energy limit, assuming that the form factors have single pole forms near the zero recoil. The deviation from the single pole model is taken into account by adding a term proportional to (v・v' -1)2. On the other hand, we require the form factors to obey the large recoil symmetry relationships when v・v' becomes very large. A self-consistent set of B→K* form factors is found. This set of form factors is checked to be consistent with the experimental data about B→K* ll modes.
Keywords: 13.20.He      13.25.Hw      12.39.St     
Received: 06 May 2008      Published: 26 June 2008
PACS:  13.20.He (Decays of bottom mesons)  
  13.25.Hw (Decays of bottom mesons)  
  12.39.St (Factorization)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2008/V25/I7/02421
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