Decay Constants of S Wave Heavy Quarkonia

Document Type

Article

Publication Title

International Journal of Theoretical Physics

Abstract

We derive expressions for the decay constants of S wave pseudoscalar and vector quarkonium (QQ̄) states through approximating the quark model definition by including terms upto k2/c2. Using the derived formula, the decays constants for ground and excited states are calculated. Our predictions are found to be in good agreement with the available experimental and lattice results.

First Page

2016

Last Page

2028

DOI

10.1007/s10773-020-04474-5

Publication Date

7-1-2020

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