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Compact Muon Solenoid
LHC, CERN

CMS-PAS-EXO-25-007
Search for soft unclustered energy patterns produced in association with a W or Z boson in proton-proton collisions at 13 TeV
Abstract: A search for soft unclustered energy patterns (SUEPs) produced in association with a W or Z boson is presented. The analysis is based on proton-proton collision data corresponding to an integrated luminosity of 138 fb$ ^{-1} $ collected between 2016 and 2018 with the CMS detector at the LHC. Final states with one charged lepton and missing transverse momentum compatible with a leptonic W boson decay or two charged leptons compatible with a leptonic Z boson decay and a high multiplicity of low-momentum tracks are explored for the first time. The results show no significant excess over the standard model expectation. Upper limits are set on the branching fraction of the 125 GeV Higgs boson decay to a SUEP.
CMS Publications
Compact Muon Solenoid
LHC, CERN