Speaker
Description
The minimal supersymmetric standard model (MSSM) with $R$-parity conservation identifies the lightest neutralino ($\tilde{\chi}_1^0$) as a viable dark matter (DM) candidate. We consider a Wino-dominated lightest neutralino serving as a DM candidate, which accommodates "new physics" at a relatively higher scale, typically beyond the reach of the LHC. We compute all the significant radiative corrections to the DM-nucleon cross-sections through the renormalization of neutralino-Higgs interactions at the next-to-leading (NLO) order. An extensive numerical scan over the parameter space shows that the NLO corrections to the spin-independent direct detection cross-section may reach above $\sim 100\%$ compared to the leading order (LO) value. Therefore, these corrections play an important role in testing neutralino DM in upcoming direct detection experiments.
| Field of contribution | Phenomenology |
|---|
