N. Paver

Rare decay B→K∗γ in the standard model

Abstract The decay rate of B → K ∗ γ (890)γ is estimated in the framework of QCD sum rules combined with vector meson dominance. We obtain: Γ( B → K ∗ γ)/Γ( b →sγ) = 0.28 ± 0.11 . As a byproduct we find that Γ( B → Q γ)⋍Γ( B → K ∗ γ) .

Universal tau(1/2)(y) Isgur-Wise function at the next-to-leading order in QCD sum rules

We use QCD sum rules, in the framework of the Heavy Quark Effective Theory, to calculate the universal form factor

QCD determination of the strange-quark mass

tau_{1/2}(y)

Leptonic decay constants of heavy flavour mesons of arbitrary mass

parameterizing the semileptonic transitions

Radiative

B to D_0 ell bar nu

B \to K^* \gamma

,

transition in QCD

B to D_1^* ell bar nu

Spin-analysis of s-channel diphoton resonances at the LHC

, where

Exclusiveb→s rare decays of beauty

D_0

Leptonic decay constants of Ds and Bs mesons from QCD sum rules

and