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

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

Xu, Ji; Zhang, Qi-An; Zhao, Shuai

Physical review. D, 06/2018, Volume: 97, Issue: 11

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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.

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Xu, Ji | Zhang, Qi-An | Zhao, Shuai

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