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Related papers: Predicting radiative B decays to vector mesons in …

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We use AdS/QCD holographic Distributions Amplitudes for the vector mesons $\rho$ and $K^*$ in order to predict the radiative decays $B \to \rho \gamma$ and $B \to K^* \gamma$ as well as the semileptonic decays $B \to \rho l \nu$ and $B \to…

High Energy Physics - Phenomenology · Physics 2015-06-23 Mohammad Ahmady , Sébastien Lord , Ruben Sandapen

We derive holographic AdS/QCD Distribution Amplitudes for the transversely polarised $\rho$ meson and we use them to predict the branching ratio for the decays $\bar B^\circ\rightarrow \rho^\circ \gamma$ and $\bar B^\circ_s\rightarrow…

High Energy Physics - Phenomenology · Physics 2013-03-27 M. Ahmady , R. Sandapen

Light-front wavefunctions obtained from holographic light-front QCD are used to obtain the distributions amplitudes for $K^*$ vector meson. Consequently, alternate predictions for rare B transitions to $K^*$ form factors are presented. In…

High Energy Physics - Phenomenology · Physics 2019-07-10 Mohammad Ahmady , Ruben Sandapen

We build on the success of AdS/QCD in predicting diffractive $\rho$ meson production to obtain the transition form factors for B decays to light mesons. Consequently, we predict several observables associated with $B\to \rho\ell\nu$…

High Energy Physics - Phenomenology · Physics 2015-09-02 Mohammad Ahmady , Sébastien Lord , Ruben Sandapen

The light-front wavefunction for mesons predicted by holographic light-front QCD is used to obtain the light-cone distribution amplitudes for the light vector mesons and the transition form factors for B and $B_s$ decays to $\rho$, $K^*$…

High Energy Physics - Phenomenology · Physics 2020-01-03 Mohammad R. Ahmady

The transition form factors of the radiative decays of the heavy tensor mesons to heavy pseudoscalar and heavy vector mesons are calculated in the framework of the light cone QCD sum rules method at the point $Q^2=0$. Using the obtained…

High Energy Physics - Phenomenology · Physics 2019-01-16 T. M. Aliev , M. Savci

We use QCD light-cone sum rules with holographic anti de Sitter/Chromodynamics (AdS/QCD) Distribution Amplitudes (DAs) for the $K^*$ meson in order to predict the full set of seven $B \to K^*$ transition form factors for…

High Energy Physics - Phenomenology · Physics 2014-06-10 M. Ahmady , R. Campbell , S. Lord , R. Sandapen

We use QCD light-cone sum rules (LCSR) with holographic anti de Sitter/Chromodynamics (AdS/QCD) Distribution Amplitudes (DAs) for the $\rho$ meson to predict the form factors that govern the leading amplitudes of the rare radiative $B ->…

High Energy Physics - Phenomenology · Physics 2015-06-16 M. Ahmady , R. Campbell , S. Lord , R. Sandapen

The light front wavefunction obtained from anti-de Sitter Quantum Chromodynamics is used to calculate the light cone distribution amplitudes for $\rho$ and $K^*$ vector mesons. These distribution amplitudes are then utilized to calculate…

High Energy Physics - Phenomenology · Physics 2015-07-16 Mohammad Ahmady , Sébastien Lord , Ruben Sandapen

We calculate the form factors for weak decays of $B_{(s)}$ and $D_{(s)}$ mesons to light pseudoscalar and vector mesons. To reveal the intimate connection between different decay modes and to be able to perform the calculations in the full…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Melikhov , B. Stech

Holographic models of QCD provide the spectrum of heavy vector meson masses and electromagnetic decay constants through bulk computations of the current-current correlation function. Conversely, the phenomenology of heavy vector mesons is…

High Energy Physics - Phenomenology · Physics 2025-09-12 Saulo Diles , Miguel Angel Martin Contreras , Alfredo Vega

We revisit QCD sum rules for the decay constants of heavy-light mesons. In the sum rules for the vector mesons B^*_(s) and D^*_(s) we improve the accuracy of OPE, taking into account the O(alpha_s^2) terms in the perturbative part and…

High Energy Physics - Phenomenology · Physics 2015-03-30 Patrick Gelhausen , Alexander Khodjamirian , Alexei A. Pivovarov , Denis Rosenthal

We calculate the form factors for weak decays of $B_{(s)}$ and $D_{(s)}$ mesons to light pseudoscalar and vector mesons within a relativistic dispersion approach based on the constituent quark picture. This approach gives the form factors…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dmitri Melikhov , Berthold Stech

Radiative magnetic dipole decays of heavy-light vector mesons into pseudoscalar mesons V -> P\gamma are considered within the relativistic quark model. The light quark is treated completely relativistically, while for the heavy quark the…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Ebert , R. N. Faustov , V. O. Galkin

Semileptonic and nonleptonic decays of the B_c meson are studied in the framework of the relativistic quark model. The heavy quark expansion in inverse powers of the heavy (b,c) quark mass is used to simplify calculations while the light…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Ebert , R. N. Faustov , V. O. Galkin

The form factors of weak decays of the B meson to orbitally excited scalar, axial vector and tensor light mesons are calculated in the framework of the QCD-motivated relativistic quark model based on the quasipotential approach.…

High Energy Physics - Phenomenology · Physics 2013-04-12 D. Ebert , R. N. Faustov , V. O. Galkin

We show how radiative QCD corrections calculated in terms of quarks can be incorporated at the hadron level in inclusive semileptonic B-meson decays. The bound state effects are described by a momentum distribution function of the $b$…

High Energy Physics - Phenomenology · Physics 2011-09-13 Changhao Jin , Emmanuel A. Paschos

The method of QCD sum rules has proven to be particularly useful in heavy quark physics, where a small distance scale is provided by the inverse heavy quark mass. We present two new examples for the application of this method to B-physics:…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. Khodjamirian , R. Rückl

In the heavy-quark limit, the hadronic matrix elements entering nonleptonic $B$-meson decays into two light mesons can be calculated from first principles including ``nonfactorizable'' strong-interaction corrections. The $B\to\pi K,\pi\pi$…

High Energy Physics - Phenomenology · Physics 2010-05-28 M. Beneke , G. Buchalla , M. Neubert , C. T. Sachrajda

The two-body hadronic decays of B mesons into pseudoscalar and axial vector mesons are studied within the framework of QCD factorization. The light-cone distribution amplitudes (LCDAs) for $^3P_1$ and $^1P_1$ axial-vector mesons have been…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hai-Yang Cheng , Kwei-Chou Yang
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