Eur. Phys. J. C (2002) 23: 749-755
https://doi.org/10.1007/s100520100882

Theoretical physics

Supersymmetric penguin contributions to the decay b → sγ with non-universal squarks masses

Laboratoire de Physique Corpusculaire, Université Blaise Pascal, 63177, Aubière Cedex, France

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Received: 20 April 2001
Revised: 14 December 2001
Published online: 5 April 2002

Abstract

We give explicit expressions for the amplitudes associated with the supersymmetric (SUSY) contributions to the process in the context of SUSY extensions of the standard model (SM) with non-universal soft SUSY breaking terms. From experimental data we deduce limits on the squark mass insertions obtained from different contributions (gluinos, neutralinos and charginos).