Semileptonic decays in the limit of a heavy daughter quark
classification
✦ hep-ph
keywords
limitaroundexpansionsemileptonicaccuracyalphasc-quarkcalculated
read the original abstract
The rate of the semileptonic decay b to c l v is calculated with order alphas^2 accuracy, as an expansion around the limit of equal masses of the b and c quarks. Recent results obtained around the limit of the c-quark much lighter than b are confirmed. Details of the new expansion method are described.
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