Long Dead Winos

Abstract

We describe a new code and approach using particle-level information to recast the recent CMS disappearing track searches including all run 2 data. Notably, the simulation relies on knowledge of the detector geometry, and we also include the simulation of pileup events directly rather than as an efficiency function. We validate it against provided acceptances and cutflows, and use it in combination with heavy stable charged particle searches to place limits on winos with any proper decay length above a centimetre. We also provide limits for a simple model of a charged scalar that is only produced in pairs, that decays to electrons plus an invisible fermion.

arXiv comment25 pages, 5 figures, 10 tables. Code available at the LLPrecasting repository https://github.com/llprecasting/recastingCodes/ and at https://goodsell.pages.in2p3.fr/hackanalysis/

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