Light-cone distribution amplitudes of vector meson in a large momentum effective theory

We investigate the leading twist light-cone distribution amplitudes (LCDAs) of vector meson in the framework of large momentum effective theory. We derive the matching equation for the LCDAs and quasidistribution amplitudes. The matching coefficients are determined to one loop accuracy, both in the...

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Bibliographic Details
Published in:Physical review. D 2018-06, Vol.97 (11), Article 114026
Main Authors: Xu, Ji, Zhang, Qi-An, Zhao, Shuai
Format: Article
Language:English
Subjects:
Amplitudes
Matching
Mesons
Momentum
Regularization
Vector mesons
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Summary:We investigate the leading twist light-cone distribution amplitudes (LCDAs) of vector meson in the framework of large momentum effective theory. We derive the matching equation for the LCDAs and quasidistribution amplitudes. The matching coefficients are determined to one loop accuracy, both in the ultraviolet cutoff and dimensional regularization schemes. This calculation provides the possibility of studying the full x behavior of LCDAs and extracting LCDAs of vector mesons from lattice simulations.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.97.114026