Reweighting of the form factors in exclusive $B \rightarrow X \ell \nu_{\ell}$ decays

Reweighting of the form factors in exclusive B → X l ν l decays

A form factor reweighting technique has been elaborated to permit relatively easy comparisons between different form factor models applied to exclusive B → Xℓν ℓ decays. The software tool developped for this purpose is described. It can be used with any event generator, three of which were used in this work: ISGW2, PHSP and FLATQ2, a new powerful generator. The software tool allows an easy and ...

A Form Factor Model for Exclusive B- and D-Decays

An explicit model is presented which gives the momentum transfer-dependent ratios of form factors of hadronic currents. For the unknown Isgur-Wise function and its generalization for transitions to light particles a simple phenomenological Ansatz is added. The model allows a calculation of all form factors in terms of mass parameters only. It is tested by comparison with experimental data, QCD ...

Review of Exclusive B → D (∗,∗∗) lν Decays – Branching Fractions, Form-factors and |Vcb|

This paper reviews semileptonic decays of B-mesons to states containing charm mesons, i.e., D, D, D and possible non-resonant Dnπ states as well. The paper covers measurement of branching fractions, form-factors and, most importantly, the magnitude of the CKM matrix element Vcb. I will not attempt a comprehensive review, but will concentrate on reasonably fresh results and consider mostly exclu...

SLAC-R-860 Review of Exclusive B → D (∗,∗∗) lν Decays – Branching Fractions, Form-factors and |Vcb|

Systematics of exclusive B decays.