We have evaluated the short distance QCD corrections to the B-approximately --> X(s)e+e- process in a quark spectator model within an effective hamiltonian framework. The dependence of the rate on the top-quark mass is examined in the minimal standard model. We have found a light suppression of the differential width for a large invariant mass of the e+e- pair; the integrated width is slightly enhanced.
Qcd Corrections to the B-> Xs e+ e- Decay / G., Cella; Ricciardi, Giulia; A., Vicere. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 258:(1991), pp. 212-218. [10.1016/0370-2693(91)91234-M]
Qcd Corrections to the B-> Xs e+ e- Decay
RICCIARDI, GIULIA;
1991
Abstract
We have evaluated the short distance QCD corrections to the B-approximately --> X(s)e+e- process in a quark spectator model within an effective hamiltonian framework. The dependence of the rate on the top-quark mass is examined in the minimal standard model. We have found a light suppression of the differential width for a large invariant mass of the e+e- pair; the integrated width is slightly enhanced.File in questo prodotto:
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