QCD Calculation of the $B \rightarrow π,K$ Form Factors

Details QCD Calculation of the $B \rightarrow π,K$ Form Factors QCD Calculation of the $B \rightarrow π,K$ Form Factors

1993-05-31

arxiv.org/abs/hep-ph/9305348v1

Z.Phys. C60 (1993) 349-356

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages +5 figures available upon request , LaTeX , CERN-TH.6880/93, MPI-Ph/93-32, LMU-07/93

Scientific paper

10.1007/BF01474633

We calculate the form factors for the heavy-to-light transitions $B\rightarrow \pi,K $ by means of QCD sum rules using $\pi$ and $K$ light-cone wave functions. Higher twist contributions as well as gluonic corrections are taken into account. The sensitivity to the shape of the leading-twist wave functions and effects of SU(3)-breaking are discussed. The results are compared with quark model predictions and with the results from QCD sum rules for three-point correlators.

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