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O(alpha s) QCD Corrections to Charm Quark Decay in Dimensional Regularization with Non-Anticommuting gamma 5

G. Buchalla
Journal / Anthology

Nuclear Physics B
Year: 1993
Volume: 391
Page range: 501-514

Starting from the effective hamiltonian for weak decays including next-to-leading QCD corrections, the O(alphas) corrections to the matrix elements of charm decay into massless s-, u-, d overbar-quarks are recalculated to obtain the complete next-to-leading order expression within the parton model for the inclusive non-leptonic c-quark decay rate. The calculation performed in the 't Hooft-Veltman scheme (non-anticommuting gamma5 in D not equal to 4 dimensions) confirms the previous result of Altarelli et al. obtained using dimensional reduction.

*Science > Physics > Nuclear and Particle Physics