Radiative correction of the correlator for (0⁺⁺,1⁻⁺) light hybrid
classification
✦ hep-ph
keywords
correlatorhybridlightradiativeapproachboundscalculatecorrection
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We calculate the radiative corrections to the current-current correlator of the hybrid current $g\bar q(x)\gamma_{\nu}iG_{\mu\nu}^aT^aq(x)$. Based on this new result we use the QCD sum rule approach to estimate lower bounds on the masses of the $J^{PC}$=$1^{-+}$ and $0^{++}$ light hybrids.
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