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B→K Transition Form Factor with Tensor Current within the kT Factorization Approach |
| ZENG Dai-Min;WU Xing-Gang;FANG Zhen-Yun |
| Department of Physics, Chongqing University, Chongqing 400044 |
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| Cite this article: |
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ZENG Dai-Min, WU Xing-Gang, FANG Zhen-Yun 2008 Chin. Phys. Lett. 25 436-439 |
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Abstract We apply the kT factorization approach to deal with the B→K transition form factor with tensor current in the large recoil regions. Main uncertainties for the
estimation are discussed and we obtain FTB→K(0)=0.25±0.01±0.02, where the first error is caused by the uncertainties from the pionic wavefunctions and the second is from that of the B-meson wavefunctions. This result is consistent with the light-cone sum rule results obtained in the literature.
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| Keywords:
12.38.Aw
12.38.Lg
13.20.He
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Received: 06 December 2007
Published: 30 January 2008
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| PACS: |
12.38.Aw
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(General properties of QCD (dynamics, confinement, etc.))
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12.38.Lg
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(Other nonperturbative calculations)
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13.20.He
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(Decays of bottom mesons)
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