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Related papers: Light-Cone Distribution Amplitudes for Non-Relativ…

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We calculate light-cone distribution amplitudes for non-relativistic bound states, including radiative corrections from relativistic gluon exchange to first order in the strong coupling constant. We distinguish between bound states of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Guido Bell , Thorsten Feldmann

We discuss the generalization of the leading-twist light-cone distribution amplitude for light mesons including QED effects. This generalization was introduced to describe virtual collinear photon exchanges above the strong-interaction…

High Energy Physics - Phenomenology · Physics 2021-11-24 Martin Beneke , Philipp Böer , Jan-Niklas Toelstede , K. Keri Vos

Leading-twist distribution amplitudes (DAs) of light mesons like pi,rho etc. describe the leading nonperturbative hadronic contributions to exclusive QCD reactions at large energy transfer, for instance electromagnetic form factors. They…

High Energy Physics - Phenomenology · Physics 2009-11-11 Patricia Ball , Angelique Talbot

We discuss the QED-generalized leading-twist light-cone distribution amplitudes of heavy mesons, that appear in QCD$\times$QED factorization theorems for exclusive two-body $B$ decays. In the presence of electrically charged particles,…

High Energy Physics - Phenomenology · Physics 2022-08-24 Martin Beneke , Philipp Böer , Jan-Niklas Toelstede , Keri K. Vos

We provide the definition of the complete set of light-cone distribution amplitudes (LCDAs) for the ground state heavy bottom baryons with the spin-parities J^P = 1/2^+ and J^P = 3/2^+ in the heavy quark limit. We present the…

High Energy Physics - Phenomenology · Physics 2015-06-12 A. Ali , C. Hambrock , A. Ya. Parkhomenko , Wei Wang

We present a systematic study of the B meson light-cone distribution amplitudes which are relevant for the QCD factorization approach for the exclusive B meson decays. We construct representations for the quark-antiquark distribution…

High Energy Physics - Phenomenology · Physics 2009-11-07 Hiroyuki Kawamura , Jiro Kodaira , Cong-Feng Qiao , Kazuhiro Tanaka

The improved light-cone distribution amplitudes (LCDAs) of the $\Lambda$ baryon are examined on the basis of the QCD conformal partial wave expansion approach. The calculations are carried out to the next-to-leading order of conformal spin…

High Energy Physics - Phenomenology · Physics 2014-09-16 Yong-Lu Liu , Chun-Yu Cui , Ming-Qiu Huang

We present a study of light-cone distribution amplitudes of the light $1^1P_1$ mesons. The first few Gegenbauer moments of leading twist light-cone distribution amplitudes are calculated by using the QCD sum rule technique.

High Energy Physics - Phenomenology · Physics 2009-11-11 Kwei-Chou Yang

We calculate the leading-twist light-cone distribution amplitudes of the light $\Lambda$ baryon using lattice methods within the framework of large momentum effective theory. Our numerical computations are conducted employing $N_f=2+1$…

High Energy Physics - Lattice · Physics 2025-02-24 Min-Huan Chu , Haoyang Bai , Jun Hua , Jian Liang , Xiangdong Ji , Andreas Schafer , Yushan Su , Wei Wang , Yi-Bo Yang , Jun Zeng , Jian-Hui Zhang , Qi-An Zhang

The QCD description of exclusive decays of the $\Lambda_b$ baryon involves hadronic matrix elements of non-local light ray operators, the light-cone distribution amplitudes. We introduce the complete set of three--quark distribution…

High Energy Physics - Phenomenology · Physics 2008-11-26 Patricia Ball , Vladimir M. Braun , Einan Gardi

The Light-cone distribution amplitudes (LCDAs) of the $\Sigma^\pm$ baryons up to twist six are investigated on the basis of QCD conformal partial wave expansion approach. The calculations are carried out to the next-to-leading order of…

High Energy Physics - Phenomenology · Physics 2014-07-07 Yong-Lu Liu , Chun-Yu Cui , Ming-Qiu Huang

We present a study for two-quark light-cone distribution amplitudes for the $1^3D_2$ light tensor meson states with quantum number $J^{PC}=2^{--}$. Because of the G-parity, the chiral-even two-quark light-cone distribution amplitudes of…

High Energy Physics - Phenomenology · Physics 2018-05-09 T. M. Aliev , S. Bilmis , Kwei-Chou Yang

We present new models of the rho-meson leading-twist light-cone distribution amplitudes based on the QCD sum rule approach with nonlocal condensates. Their shapes differ noticeably from that known in the literature. The phenomenological…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. P. Bakulev , S. V. Mikhailov , R. Ruskov

We present the light-cone distribution amplitudes of the Xi baryons up to twist six on the basis of QCD conformal partial wave expansion to the leading order conformal spin accuracy. The nonperturbative parameters relevant to the DAs are…

High Energy Physics - Phenomenology · Physics 2009-09-25 Yong-Lu Liu , Ming-Qiu Huang

Light-cone distribution amplitudes (LCDAs) frequently arise in factorization theorems involving light and heavy mesons. The QCD LCDA for heavy mesons includes short-distance physics at energy scales of the heavy-quark mass. In this paper we…

High Energy Physics - Phenomenology · Physics 2023-05-12 Martin Beneke , Gael Finauri , K. Keri Vos , Yanbing Wei

This thesis examines the applications and determinations of meson light-cone distribution amplitudes. The investigation of such processes, in the context of $B$ physics, provides one with a rich and extensive way of determining the Standard…

High Energy Physics - Phenomenology · Physics 2007-10-25 Gareth Warren Jones

We study the radiative decay B -> gamma l nu_l in the framework of QCD factorization. We demonstrate explicitly that, in the heavy-quark limit and at one-loop order in perturbation theory, the amplitude does factorize, i.e. that it can be…

High Energy Physics - Phenomenology · Physics 2009-10-09 S. Descotes-Genon , C. T. Sachrajda

In this paper, a study of light-cone distribution amplitudes for p-wave heavy quarkonium states are presented. Within the light-front framework, the leading twist light-cone distribution amplitudes, and their relevant decay constants, have…

High Energy Physics - Phenomenology · Physics 2009-11-05 Chien-Wen Hwang

We have presented a detailed study of twist-2 and twist-3 light-cone distribution amplitudes of $1^3P_1$ and $1^1P_1$ axial-vector mesons, based on QCD conformal partial wave expansion. Applying equations of motion, the twist-three…

High Energy Physics - Phenomenology · Physics 2010-10-08 Kwei-Chou Yang

We investigate the B meson light-cone distribution amplitudes in the heavy-quark limit which are relevant for the QCD factorization approach for the exclusive B meson decays. We derive exact relations between two- and three-particle…

High Energy Physics - Phenomenology · Physics 2010-11-19 Hiroyuki Kawamura , Jiro Kodaira , Cong-Feng Qiao , Kazuhiro Tanaka
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