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S- and D-wave vector charmonia

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arxiv 1709.01331 v1 pith:KXCPFCC5 submitted 2017-09-05 hep-ph hep-ex

classification hep-phhep-ex
keywords charmoniaconstantsd-wavedecayleptonicvectoramplitudesangular
verification ladder T0 review T1 audit T2 compute T3 formal
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We revisit earlier calculations of leptonic decay constants of vector charmonia and present and illustrate our decomposition of the corresponding covariant Bethe-Salpeter amplitudes in terms of orbital angular momentum as interpreted in the meson's rest frame. Our results confirm our previous conclusions drawn from the magnitudes of vector-meson leptonic decay constants, identifying the Psi(3770) and Psi(4160) as D-wave states in our setup.

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