Twist-4 distribution amplitudes of the K* and phi mesons in QCD

Ball, Patricia and Braun, Vladimir M. and Lenz, Alexander (2007) Twist-4 distribution amplitudes of the K* and phi mesons in QCD. JOURNAL OF HIGH ENERGY PHYSICS (8): 090. ISSN 1029-8479,

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Abstract

We present a systematic study of twist-4 light-cone distribution amplitudes of the K* and phi meson in QCD. The structure of SU(3)-breaking corrections is studied in detail. Non-perturbative input parameters are estimated from QCD sum rules and a renormalon based model. As a by-product, we give a complete reanalysis of the parameters of the twist-4 rho-meson distribution amplitudes.

Item Type: Article
Uncontrolled Keywords: PION DISTRIBUTION AMPLITUDE; HADRONIC FORM-FACTORS; QUANTUM CHROMODYNAMICS; VECTOR-MESONS; ASYMPTOTIC-BEHAVIOR; EVOLUTION-EQUATIONS; EXCLUSIVE PROCESSES; SUM-RULES; DECAYS; QUARK; Kaon physics; phenomenological models; QCD; sum rules
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun
Depositing User: Dr. Gernot Deinzer
Date Deposited: 02 Dec 2020 14:15
Last Modified: 02 Dec 2020 14:15
URI: https://pred.uni-regensburg.de/id/eprint/32456

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