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QCD Sum-Rule Calculation of the Kinetic Energy and Chromo-Interaction of Heavy Quarks Inside Mesons
We present a QCD sum-rule determination of the heavy-quark kinetic energy inside a heavy meson, $-\lambda_1/2 m_Q$, which is consistent with the field-theory analog of the virial theorem. We obtain $-\lambda_1\approx (0.10\pm 0.05)~\mbox{GeV}^2$, significantly smaller than a previous sum-rule result...
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| Lenguaje: | eng |
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1996
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| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(96)80016-5 http://cds.cern.ch/record/308140 |