Friday, March 23, 2012

0903.1805 (B. C. Allanach et al.)

Including R-parity violation in the numerical computation of the
spectrum of the minimal supersymmetric standard model: SOFTSUSY
   [PDF]

B. C. Allanach, M. A. Bernhardt
Current publicly available computer programs calculate the spectrum and couplings of the minimal supersymmetric standard model under the assumption of R-parity conservation. Here, we describe an extension to the SOFTSUSY program which includes R-parity violating effects. The user provides a theoretical boundary condition upon the high-scale supersymmetry breaking R-parity violating couplings. Successful radiative electroweak symmetry breaking, electroweak and CKM matrix data are used as weak-scale boundary conditions. The renormalisation group equations are solved numerically between the weak scale and a high energy scale using a nested iterative algorithm. This paper serves as a manual to the R-parity violating mode of the program, detailing the approximations and conventions used.
View original: http://arxiv.org/abs/0903.1805

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