PT Journal
AU Athron, P
   Bach, M
   Fargnoli, HG
   Gnendiger, C
   Greifenhagen, R
   Park, JH
   Passehr, S
   Stockinger, D
   Stockinger-Kim, H
   Voigt, A
TI GM2Calc: precise MSSM prediction for (g – 2) of the muon
SO European Physical Journal C
JI Eur. Phys. J. C
PY 2016
BP 62 - 16pp
VL 76
IS 2
DI 10.1140/epjc/s10052-015-3870-2
LA English
AB We present GM2Calc, a public C++ program for the calculation of MSSM contributions to the anomalous magnetic moment of the muon, (g-2)(mu). The code computes (g -2)(mu) precisely, by taking into account the latest two-loop corrections and by performing the calculation in a physical on-shell renormalization scheme. In particular the program includes a tan beta resummation so that it is valid for arbitrarily high values of tan beta, as well as fermion/sfermion-loop corrections which lead to non-decoupling effects from heavy squarks. GM2Calc can be run with a standard SLHA input file, internally converting the input into on-shell parameters. Alternatively, input parameters may be specified directly in this on-shell scheme. In both cases the input file allows one to switch on/off individual contributions to study their relative impact. This paper also provides typical usage examples not only in conjunction with spectrum generators and plotting programs but also as C++ subroutines linked to other programs.
ER