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Related papers: Form Factors from Light-Cone Sum Rules with B-Meso…

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We derive new QCD sum rules for $B\to D$ and $B\to D^*$ form factors. The underlying correlation functions are expanded near the light-cone in terms of $B$-meson distribution amplitudes defined in HQET, whereas the $c$-quark mass is kept…

High Energy Physics - Phenomenology · Physics 2009-04-24 S. Faller , A. Khodjamirian , Ch. Klein , Th. Mannel

In this article, we study the $B \to K^*_2(1430)$, $a_2(1320)$, $f_2(1270)$ form-factors with the light-cone QCD sum rules, where the $B$-meson light-cone distribution amplitudes are used. In calculations, we observe that the line-shapes of…

High Energy Physics - Phenomenology · Physics 2015-03-17 Zhi-Gang Wang

We derive a set of light-cone sum rules relating the hadronic form factors relevant for $B\to K\pi\ell^+\ell^-$ decays to the $B$-meson light-cone distribution amplitudes (LCDAs). We obtain the sum rule relations for all $B\to K\pi$ form…

High Energy Physics - Phenomenology · Physics 2020-02-26 Sébastien Descotes-Genon , Alexander Khodjamirian , Javier Virto

We reconsider and update the QCD light-cone sum rules for $B\to \pi$ form factors. The gluon radiative corrections to the twist-2 and twist-3 terms in the correlation functions are calculated. The $\bar{MS}$ $b$-quark mass is employed,…

High Energy Physics - Phenomenology · Physics 2009-01-06 G. Duplancic , A. Khodjamirian , Th. Mannel , B. Melic , N. Offen

We derive a set of light-cone sum rules relating the $S$-wave $B\to K \pi$ hadronic form factors to the $B$-meson light-cone distribution amplitudes (LCDAs), taking into account the complete set of LCDAs up to and including twist four.…

High Energy Physics - Phenomenology · Physics 2023-06-21 Sébastien Descotes-Genon , Alexander Khodjamirian , Javier Virto , K. Keri Vos

We present an improved QCD light-cone sum rule (LCSR) calculation of the B -> K and Bs -> K form factors, by including SU(3)-symmetry breaking corrections. We use recently updated K-meson distribution amplitudes which incorporate the…

High Energy Physics - Phenomenology · Physics 2008-12-18 G. Duplancic , B. Melic

In this review, we discuss the calculation of the $B\to P,V$ form factors within the framework of the light-cone sum rules with the light-cone distribution amplitudes of the $B$ meson. A detailed introduction to the definition, scale…

High Energy Physics - Phenomenology · Physics 2021-12-03 Yue-Long Shen , Yan-Bing Wei

The properties of the B-meson light-cone wave function up to next-to-leading order Fock state expansion have been studied through a comparative study of the $B\to \pi$, $K$ transition form factors within the $k_T$ factorization approach and…

High Energy Physics - Phenomenology · Physics 2009-11-13 Dai-Min Zeng , Xing-Gang Wu , Zhen-Yun Fang

This work addresses the calculation of local form factors involved in the theoretical predictions of semileptonic $B$-meson decays at low $q^2$. We present a new approach to the method of QCD light-cone sum rule with $B$-meson light-cone…

High Energy Physics - Phenomenology · Physics 2024-12-30 A. Carvunis , F. Mahmoudi , Y. Monceaux

We study $B\to\pi\pi$ form factors using QCD light-cone sum rules with $B$-meson distribution amplitudes. These form factors describe the semileptonic decay $B\to \pi\pi \ell\bar{\nu}_{\ell}$, and constitute an essential input in $B\to…

High Energy Physics - Phenomenology · Physics 2017-06-09 Shan Cheng , Alexander Khodjamirian , Javier Virto

We construct the quark-antiquark chiral odd distribution amplitudes including twist-four mass contributions for tensor mesons. We also give quark-antiquark-gluon distribution amplitudes, where we calculate the input parameters with QCD sum…

High Energy Physics - Phenomenology · Physics 2018-07-11 Maximilian Emmerich , Matthias Strohmaier , Andreas Schäfer

We present results for the $B \rightarrow \pi$ and $D\rightarrow \pi$ form factors derived from QCD sum rules on the light-cone. Our predictions are compared with experiment and used to extract the quark mixing parameter $|V_{ub}|$ from a…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Khodjamirian , R. Rückl

Precision calculations of heavy-to-light form factors are essential to sharpen our understanding towards the strong interaction dynamics of the heavy-quark system and to shed light on a coherent solution of flavor anomalies. We briefly…

High Energy Physics - Phenomenology · Physics 2016-12-21 Yu-Ming Wang

I calculate the form factors describing semileptonic and penguin-induced decays of B mesons into light pseudoscalar mesons. The form factors are calculated from QCD sum rules on the light-cone including contributions up to twist 4,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Patricia Ball

Employing the light-cone sum rule approach in QCD, we relate the $B$-meson distribution amplitude to the $B\to \pi$ form factor at zero momentum transfer. In leading order, the sum rule is converted into a simple expression for the inverse…

High Energy Physics - Phenomenology · Physics 2009-11-11 Alexander Khodjamirian , Thomas Mannel , Nils Offen

Recent work on $B \to \pi$, $K$ and $B\to D$ form factors from lattice QCD and light-cone sum rules has made it possible to constrain the inverse moment $\lambda_B$ of the $B$-meson light-cone distribution amplitudes by performing a global…

High Energy Physics - Phenomenology · Physics 2026-05-28 Dong-Hao Li , Cai-Dian Lü , Ulf-G. Meißner , Jing Gao

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

We calculate the vector and axial-vector form factors of $B_{u,d,s}$ decays into P-wave axial-vector mesons in the light-cone sum rule approach. For the sum rule results, we have included corrections of order $m_A/m_b$, where $m_A$ is the…

High Energy Physics - Phenomenology · Physics 2010-11-24 Kwei-Chou Yang

The form factors of the semileptonic $B\to \pi\pi\ell\bar\nu$ decay are calculated from QCD light-cone sum rules with the distribution amplitudes of dipion states. This method is valid in the kinematical region, where the hadronic dipion…

High Energy Physics - Phenomenology · Physics 2016-04-20 Christian Hambrock , Alexander Khodjamirian

We calculate the form factors for the heavy-to-light transitions $B\rightarrow \pi,K $ by means of QCD sum rules using $\pi$ and $K$ light-cone wave functions. Higher twist contributions as well as gluonic corrections are taken into…

High Energy Physics - Phenomenology · Physics 2019-08-15 V. M. Belyaev , A. Khodjamirian , R. Rückl
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