One-loop corrections to neutralino-stop coannihilation revisited

@inproceedings{Harz2015OneloopCT,
  title={One-loop corrections to neutralino-stop coannihilation revisited},
  author={Julia Harz and Bj{\"o}rn Herrmann and Michael G. Klasen and Karol Kovař{\'i}k},
  year={2015}
}
  • Julia Harz, Björn Herrmann, +1 author Karol Kovařík
  • Published 2015
  • Physics
  • We discuss the ${\cal O}(\alpha_s)$ supersymmetric QCD corrections to neutralino-stop coannihilation into a top quark and a gluon in the Minimal Supersymmetric Standard Model (MSSM). This particular channel can be numerically important in wide ranges of the MSSM parameter space with rather light stops. We discuss technical details such as the renormalization scheme and the phase-space slicing method with two cutoffs. We also comment on improvements with respect to earlier works on the given… CONTINUE READING

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