SPheno, a program for calculating supersymmetric spectra, SUSY particle decays and SUSY particle production at e+e− colliders☆
By Werner Porod. 2003
1,030 citations recorded by the source corpus.
Abstract SPheno is a program that accurately calculates the supersymmetric particle spectrum within a high scale theory, such as minimal supergravity, gauge mediated supersymmetry breaking, anomaly mediated supersymmetry breaking, or string effective field theories. An interface exists for an easy implementation of other models. The program solves the renormalization group equations numerically to two-loop order with user-specified boundary conditions. The complete one-loop formulas for the masses are used which are supplemented by two-loop contributions in case of the neutral Higgs bosons and the μ parameter. The obtained masses and mixing matrices are used to calculate decay widths and branching ratios of supersymmetric particles as well as of Higgs bosons, b → sγ , Δ ρ and ( g −2) μ . Moreover, the production cross sections of all supersymmetric particle as well as Higgs bosons at e + e − colliders can be calculated including initial state radiation and longitudinal polarization of the incoming electrons/positrons. The program is structured such that it can easily be extend to include non-minimal models and/or complex parameters.
Subfields: Artificial Intelligence, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/ded60d1fbc4e16b7128408699a27398ff21124a6
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In Nuclear and High Energy Physics
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Citations in the corpus
- Supersymmetric top and bottom squark production at hadron colliders (2010, neutral): “932 and stop masses of m ˜ t 1 = 367 GeV and m ˜ t 2 = 590 GeV [54].”
- SDECAY: a Fortran code for the decays of the supersymmetric particles in the MSSM (2003, background): “2 There are other programs which calculate the decay branching ratios of SUSY particles [7, 10 , 25],”
- Beyond the Standard Model Physics at the HL-LHC and HE-LHC (2018, methodology): “For our simulations, we used the SARAH implementation of the LRSUSY model [116, 117] and generated the particle spectrum by means of SPHENO [118].”