4 papers
Neutrino masses and mixing from milli-charged dark matter
Sudip Jana, Michael Klasen, Vishnu P. K. +1
We propose a simple extension to the Standard Model, wherein neutrinos naturally attain small Majorana masses through a one-loop radiative mechanism featuring particles within the…
Towards a precision calculation of in the Standard Model III: Improved estimate of NLO contributions to the collision integral
Marco Drewes, Yannis Georis, Michael Klasen +2
We compute the dominant QED correction to the neutrino-electron interaction rate in the vicinity of neutrino decoupling in the early universe, and estimate its impact on the effect…
Precision predictions for dark matter with DM@NLO in the MSSM
Julia Harz, Björn Herrmann, Michael Klasen +2
We present DM@NLO, a Fortran 77 based program with a C++ interface dedicated to precision calculations of dark matter (DM) (co)annihilation cross-sections and elastic dark matter-n…
SUSY-QCD corrections to squark annihilation into gluons and light quarks
Luca Paolo Wiggering
We calculate the full one-loop SUSY-QCD corrections to stop annihilation into gluons and light quarks including the Sommerfeld enhancement effect and discuss their impact on the ne…