search for self-interacting dark matter in CMS and experience with CMS phase-1 pixel detector upgrade

by Weinan Si (University of California, Riverside)

Tuesday 16 Jun 2020, 12:30 → 13:30 America/Los_Angeles

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ABSTRACT

Self-interacting dark matter is a well motivated dark matter candidate, which differs from the WIMP (weakly interacting massive particle) paradigm, whose collider search rely on large missing transverse energy. An ongoing search for self-interacting dark matter with displaced lepton-jets at the LHC is presented, using proton collision data collected by the CMS experiment at 13 TeV.  The motivation, signal reconstruction and analysis strategy are discussed. Additionally, CMS installed the upgraded Phase-1 pixel detector in 2017 during the LHC technical stop. My experience with the pixel module testing during the production and the commissioning of the integrated detector is presented.
 

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