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Semileptonic Bs ->DsJ(2460)l nu decay in QCD

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arxiv hep-ph/0608264 v2 pith:RHWR3TXR submitted 2006-08-23 hep-ph

Semileptonic Bs ->DsJ(2460)l nu decay in QCD

classification hep-ph
keywords decaydependencefactorsformsemileptonicalphaasymmetrybranching
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Using three point QCD sum rules method, the form factors relevant to the semileptonic Bs ->DsJ (2460)l nu decay are calculated. The q2 dependence of these form factors is evaluated and compared with the heavy quark effective theory predictions. The dependence of the asymmetry parameter alpha, characterizing the polarization of DsJ meson, on q2 is studied .The branching ratio of this decay is also estimated and is shown that it can be easily detected at LHC.

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