The Spin--Symmetry of the Quark Model
classification
✦ hep-ph
keywords
effectheavy--quarkmasssymmetrybreakingcalculationcorrectionsexact
read the original abstract
Corrections to the exact heavy--quark symmetry results are expected to follow the $1/m_{Q}$ mass effect of the heavy--quark. We show, by an explicit calculation, that there is something other than the mass effect that suppresses the breaking of the spin symmetry.
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