SuperIso: A program for calculating the isospin asymmetry of B -> K* gamma in the MSSM

Details SuperIso: A program for calculating the isospin asymmetry of B -> K* gamma in the MSSM SuperIso: A program for calculating the isospin asymmetry of B -> K* gamma in the MSSM

2007-10-10

arxiv.org/abs/0710.2067v1

Comput.Phys.Commun.178:745-754,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 1 figure, source code can be obtained from http://www3.tsl.uu.se/~nazila/superiso/

Scientific paper

10.1016/j.cpc.2007.12.006

We present a program for calculating the isospin symmetry breaking of the B -> K* gamma decay in the MSSM with minimal flavor violation. This program calculates the NLO supersymmetric contributions to the isospin asymmetry, using the effective Hamiltonian approach and within the QCD factorization method. We show that isospin symmetry breaking proves to be a very restrictive observable, in particular in the mSUGRA parameter space. The program also calculates the inclusive branching ratio associated to b -> s gamma transition, as a comparison reference.

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