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Abstract:
A search for soft unclustered energy patterns (SUEPs) is conducted using proton-proton collision data corresponding to an integrated luminosity of 127 fb$ ^{-1} $ at a center-of-mass energy of 13 TeV, collected via the data scouting stream of the CMS experiment at the LHC. The scouting strategy records only the results of the trigger-level reconstruction in order to enable a lower threshold on the hadronic activity, increasing the acceptance for SUEP signatures, which are predicted by hidden valley models with a large 't Hooft coupling. The observed results are consistent with the standard model background prediction, and the most stringent limits to date are set on the gluon fusion production of heavy scalar mediators resulting in SUEP-like signals.
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