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Coupling of the light vector meson to the vector and to the tensor current

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arxiv hep-lat/0301020 v4 pith:ZAIH3PII submitted 2003-01-20 hep-lat hep-ph

Damir Becirevic , Vittorio Lubicz , Federico Mescia , Cecilia Tarantino This is my paper · ORCID
classification hep-lathep-ph
keywords vectorcouplingcurrentlatticelightmesontensorvalues
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We present results for the coupling of the light vector mesons to the tensor current, relative to the standard vector meson decay constants. From an O(a)-improved lattice study, performed at three values of the lattice spacing in the quenched approximation, our final values (in the continuum limit), in the MS-scheme at 2 GeV, are: (f^T/f)_rho =0.72(2)(+2/-0), (f^T/f)_K* =0.74(2), (f^T/f)_phi =0.76(1).

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  1. $\phi$-meson spectroscopy and diffractive production using two Schr\"odinger like equations on the light-front

    hep-ph 2025-01 conditional novelty 4.0 of 10

    A two-equation light-front model reproduces the phi meson mass spectrum and HERA diffractive production cross sections, but underpredicts its decay constant.

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