Simplified Models for Exotic BSM Searches
(2015) Journal of High Energy Physics — Vol. 1512, p. 87 (2015)
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- Abstract
- Simplified models are a successful way of interpreting current LHC searches for models beyond the standard model (BSM). So far simplified models have focused on topologies featuring a missing transverse energy (MET) signature. However, in some BSM theories other, more exotic, signatures occur. If a charged particle becomes long-lived on collider time scales - as it is the case in parts of the SUSY parameter space - it leads to a very distinct signature. We present an extension of the computer package SModelS which includes simplified models for heavy stable charged particles (HSCP). As a physical application we investigate the CMSSM stau co-annihilation strip containing long-lived staus, which presents a potential solution to the Lithium problem. Applying both MET and HSCP constraints we show that, for low values of $\tan\beta$, all this region of parameter space either violates Dark Matter constraints or is excluded by LHC searches.
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Citations
Quertenmont, L., & et al. (2015). Simplified Models for Exotic BSM Searches. Journal of High Energy Physics, 1512, 87. https://doi.org/10.1007/JHEP12(2015)087 (Original work published 2015)