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Report No.
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Mass spectra of heavy mesons with instanton effects

Wu, Q.*; Hiyama, Emiko*; Kim, H.-C.; Yakhshiev, U.*; Zong, H.*

We investigate the mass spectra of ordinary heavy mesons, based on a nonrelativistic potential approach. The heavy-light quark potential contains the Coulomb-type potential arising from one-gluon exchange, the confining potential, and the instanton-induced nonperturbative local heavy-light quark potential. All parameters are theoretically constrained and fixed. We carefully examine the effects from the instanton vacuum. Within the present form of the local potential from the instanton vacuum, we conclude that the instanton effects are rather marginal on the charmed mesons.

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Category:Physics, Multidisciplinary

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