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arxiv: hep-ph/9306214 · v2 · submitted 1993-06-02 · ✦ hep-ph

Analyticity Properties and Unitarity Constraints of Heavy Meson Form Factors

Eduardo de Rafael , Josep Taron This is my paper
classification ✦ hep-ph
keywords formmesonanalyticityb-numberboundsconstraintsderivefactor
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We derive new bounds on the b-number form factor $F(q^2)$ of the B meson. (Revised version of hep-ph/9306214).

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  1. $|V_{cb}|$ determinations from $\bar{B} \to D^{(*)} \ell \bar\nu$ decays within the SM and beyond

    hep-ph 2026-06 unverdicted novelty 4.0

    Fits to B to D(*) l nu form factors with BSZ, BGL and HQET yield |V_cb| matching PDG average for BGL but smaller for HQET, while data still allows non-zero new physics contributions.