Form Factors for Exclusive Semileptonic $B$--Decays

Details Form Factors for Exclusive Semileptonic $B$--Decays Form Factors for Exclusive Semileptonic $B$--Decays

1996-07-22

arxiv.org/abs/hep-ph/9607387v1

Int.J.Mod.Phys. A12 (1997) 2031-2046

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, LaTex file, 3 ps figure files. To be published by Int. J. Mod. Phys. A (1996)

Scientific paper

We investigate the form factors for exclusive semileptonic decays of $B$-meson to $D,~D^*$, based on the parton picture and helped by the results of the HQET. We obtain the numerical results for the slope of the Isgur-Wise function, which is consistent with the experimental results, and we extracte the dependences of hadronic form factors on $q^2$ by varying input heavy quark fragmentation function without the nearest pole dominance ans\"atze.

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