The Isospin Splittings of Heavy-Light Quark Systems
classification
✦ hep-ph
keywords
quarkmasssplittingsisospinsystemsvectoragreementbeen
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The mass splittings of the pseudoscalar and vector D and B light-heavy quark systems have been calculated using the method of QCD sum rules. Electromagnetic, quark mass, and nonperturbative QCD effects are all included. The results are in good agreement with experiment. A measurement of isospin splitting for the vector B mesons would give valuable information about quark mass splittings.
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