Aug 16 – 27, 2021
America/Los_Angeles timezone

Search for long-lived particles decaying into two muons in proton-proton collisions at sqrt(s)=13TeV using data collected with high rate triggers

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ZOOM videoconf (SLAC)

ZOOM videoconf



Hardik Routray (Rutgers University)


A search for displaced dimuon resonances is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment at the LHC in 2017--2018, corresponding to an integrated luminosity of 101 fb-1. The data sets used in this search were collected using a dedicated dimuon trigger stream with low transverse momentum thresholds, recorded at high rate by retaining a reduced amount of trigger-level information, in order to explore otherwise inaccessible phase space at low dimuon mass and non-zero displacement from the interaction point. We find no significant excess, and use the data to set stringent constraints on a wide range of mass and lifetime hypotheses for models of physics beyond the standard model where a Higgs boson decays to a pair of long-lived dark photons, or where a long-lived scalar resonance arises from the decay of a B hadron.

Primary author

Hardik Routray (Rutgers University)

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