SuperIso v2.3: A program for calculating flavor physics observables in supersymmetry

We describe SuperIso v2.4 which is a public program for evaluation of flavor physics observables in the minimal supersymmetric extension of the Standard Model (MSSM). SuperIso v2.4, in addition to the isospin asymmetry of B → K * γ, which was the main purpose of the first version, incorporates new flavor observables such as the branching ratio of B s → µ + µ − , the branching ratio of B → τ ν τ , the branching ratio of B → Dτ ν τ , the branching ratio of K → µν µ and the branching ratios of D s → τ ν τ and D s → µν µ. The calculation of the branching ratio of B → X s γ is also improved, as it includes NNLO Standard Model contributions. The program also computes the muon anomalous magnetic moment (g − 2). Four sample models are included in the package, namely mSUGRA, NUHM, AMSB and GMSB. SuperIso uses a SUSY Les Houches Accord file (SLHA1 or SLHA2) as input, which can be either generated automatically by the program via a call to external spectrum calculators, or provided by the user. The calculation of the observables is detailed in the Appendices, where a suggestion for the allowed intervals for each observable is also provided.