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We compute the O(α t α s) two–loop corrections to the neutral Higgs boson masses in the Minimal Supersymmetric extension of the Standard Model. An appropriate use of the effective potential allows us to obtain simple analytical formulae, valid for arbitrary values of m A and of the mass parameters in the stop sector. We elucidate some subtleties of the… (More)

We study the O(α t α s +α 2 t) two–loop corrections to the minimization conditions of the MSSM effective potential, providing compact analytical formulae for the Higgs tadpoles. We connect these results with the renormalization group running of the MSSM parameters from the grand unification scale down to the weak scale, and discuss the corrections to the… (More)

- A. Dedes, P. Slavich
- 2003

On the two–loop Yukawa corrections to the MSSM Higgs boson masses at large tan β Abstract We complete the effective potential calculation of the two–loop, top/bottom Yukawa corrections to the Higgs boson masses in the Minimal Supersymmetric Standard Model, by computing the O(α 2 t + α t α b + α 2 b) contributions for arbitrary values of the bottom Yukawa… (More)

- F. Mahmoudi, Sven Heinemeyer, +9 authors Pietro Slavich
- Computer Physics Communications
- 2012

We present the Flavour Les Houches Accord (FLHA) which specifies a set of conventions for flavour-related parameters and observables. The FLHA uses the generic SUSY Les Houches Accord (SLHA) file structure. It defines the relevant Standard Model masses, Wilson coefficients, decay constants, bag parameters, flavour observ-ables, etc. The accord provides a… (More)

- A Delgado, G F Giudice, P Slavich
- 2008

We address the µ problem of gauge mediation by considering a singlet chiral superfield coupled to the Higgs and messenger fields. We compute the soft terms generated below the messenger scale and study the phenomenological consequences of the model. The experimental bound on the Higgs mass provides a severe constraint that identifies three special regions… (More)

We perform a comprehensive analysis of the Minimal Supersymmetric Standard Model (MSSM) in the scenario where the scalar partners of the fermions and the Higgs particles (except for the Standard-Model-like one) are assumed to be very heavy and are removed from the low-energy spectrum. We first summarize our determination of the mass spectrum, in which we… (More)

- P. Slavich
- 2006

We compute the complete supersymmetric QCD corrections to the Wilson coefficients of the magnetic and chromomagnetic operators, relevant in the calculation of b → sγ decays, in the MSSM with Minimal Flavor Violation. We investigate the numerical impact of the new results for different choices of the MSSM parameters and of the scale where the quark and… (More)

- K. Ackerstaff, A. Airapetian, +183 authors S. Yoneyama
- 1999

- Florian Staub, Peter Athron, +4 authors Alexander Voigt
- Computer Physics Communications
- 2016

- Pietro Slavich
- 2013