Speaker
Description
Electroweakly interacting massive particles are strong candidates for
dark matter and are included in various new physics models. For example,
Higgsinos and Winos are leading dark matter candidates in supersymmetry
models. A major characteristic of such dark matter is that there are
slightly heavier isospin partner particles in addition to the dark
matter itself. These particles are metastable and eventually decay into
dark matter, but they produce signals such as charged tracks and
displaced vertices, playing a significant role in the search at
colliders like the LHC. The decay modes and lifetimes of these heavier
particles are crucial for the collider search for dark matter. In this
talk, I will discuss the precise calculations of these decay rates,
including quantum corrections, and the impacts of these results on
collider searches.
