The Calculation of Sparticle and Higgs Decays in the Minimal and Next-to-Minimal Supersymmetric Standard Models: SOFTSUSY4.0
B.C. Allanach, T. Cridge
TL;DR
This paper introduces an extended version of the SOFTSUSY spectrum calculator that now includes detailed calculations of sparticle and Higgs decays, branching ratios, and lifetimes within the MSSM and NMSSM frameworks.
Contribution
The paper presents a major extension of SOFTSUSY to incorporate decay calculations for sparticles and Higgs bosons in both MSSM and NMSSM models.
Findings
Includes decay widths, branching ratios, and lifetimes for sparticles.
Provides explicit formulas for decay modes.
Enhances the utility of SOFTSUSY for phenomenological studies.
Abstract
We describe a major extension of the SOFTSUSY spectrum calculator to include the calculation of the decays, branching ratios and lifetimes of sparticles into lighter sparticles, covering the next-to-minimal supersymmetric standard model (NMSSM) as well as the minimal supersymmetric standard model (MSSM). This document acts as a manual for the new version of SOFTSUSY, which includes the calculation of sparticle decays. We present a comprehensive collection of explicit expressions used by the program for the various partial widths of the different decay modes in the appendix.
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