Mass of nonrelativistic meson from leading twist distribution amplitudes

In this paper distribution amplitudes of pseudoscalar and vector nonrelativistic mesons are considered. Using equations of motion for the distribution amplitudes, it is derived relations which allow one to calculate the masses of nonrelativistic pseudoscalar and vector meson if the leading twist dis...

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Bibliographic Details
Published in:arXiv.org 2009-12
Main Author: Braguta, V V
Format: Article
Language:English
Subjects:
Amplitudes
Equations of motion
Infinite series
Vector mesons
Online Access:Get full text
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Summary:In this paper distribution amplitudes of pseudoscalar and vector nonrelativistic mesons are considered. Using equations of motion for the distribution amplitudes, it is derived relations which allow one to calculate the masses of nonrelativistic pseudoscalar and vector meson if the leading twist distribution amplitudes are known. These relations can be also rewritten as relations between the masses of nonrelativistic mesons and infinite series of QCD operators, what can be considered as an exact version of Gremm-Kapustin relation in NRQCD.
ISSN:2331-8422
DOI:10.48550/arxiv.0912.1781