Description
LLP workshop timetable at https://indico.cern.ch/event/714087/timetable/
The Delphes package offers a generic simulation of a detector in high energy physics. The simulation process consists in a mixture between parametric and algorithmic simulations and provides a good comprise between the transfer function method and a full detector simulation. In this talk, we will show the last Delphes performance results and explain step-by-step how LLPs are processed in the...
Work is currently ongoing to expand the ColliderBit module in GAMBIT to allow recasting of LHC searches for long-lived particles. We are aiming to implement both quick recasts, using maps of acceptance times efficiency as functions of the LLP mass and lifetime, and more detailed simulations. I will report on our progress so far, both on the implementation of required physics calculations in...
SModelS provides an efficient framework to reinterpret new physics searches at the LHC in arbitrary theories with Z_2-odd BSM sectors by a decomposition into simpified model topologies. We show how the signatures of heavy stable charged particles and R-hadrons are embedded in this framework. We discuss recasting of this exotic search and the generation of the simplified model database....
Long-lived particles appearing in models in which dark matter is produced via the freeze-in mechanism can be probed at the LHC. This is illustrated for the case of a long-lived charged fermion which decays into dark matter and a lepton (electron or muon), using a search for heavy stable charged particles and a displaced lepton search by the CMS collaboration.
Taking the scotogenic FIMP model as an example I discuss LHC signatures which arise in models with dark matter freeze-in. The small couplings required to reproduce the observed dark matter abundance translate into decay-lengths for the next-to-lightest dark sector particle which can be macroscopic, potentially leading to spectacular signatures at the LHC. I present the leading experimental...
