Search for long-lived particles decaying into muon pairs in proton-proton collisions at $\sqrt{s}$ =13 TeV collected with a dedicated high-rate data stream

CMS Collaboration; Canelli, Maria; Kilminster, Benjamin; Caminada, Lea; Botta, Cristina; Baertschi, Pascal; Bevilacqua, Tiziano; Brzhechko, Danyyl; Cormier, Kyle; Wit, Adinda; Del Burgo, Riccardo; Heikkilae, Jaana; Huwiler, Marc; Jin, Weijie; Jofrehei, Arash; Leontsinis, Stefanos; Liechti, Sascha; Macchiolo, Anna; Meiring, Peter; Missiroli, Marino

doi:10.1007/JHEP04(2022)062

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CMS Collaboration, Canelli, M., Kilminster, B., Caminada, L., Botta, C., Baertschi, P., Bevilacqua, T., Brzhechko, D., Cormier, K., Wit, A., Del Burgo, R., Heikkilae, J., Huwiler, M., Jin, W., Jofrehei, A., Leontsinis, S., Liechti, S., Macchiolo, A., Meiring, P., … et al. (2022). Search for long-lived particles decaying into muon pairs in proton-proton collisions at $\sqrt{s}$ =13 TeV collected with a dedicated high-rate data stream. Journal of High Energy Physics, 04, 062. https://doi.org/10.1007/JHEP04(2022)062

Abstract

A search for long-lived particles decaying into muon pairs 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 and 2018, corresponding to an integrated luminosity of 101 fb−1. The data sets used in this search were collected with a dedicated dimuon trigger stream with low transverse momentum thresholds, recorded at high rate by retaining a reduced amount of information, in order to explore otherwise inaccessible phase space at low dimuon mass and nonzero