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Search for new long-lived particles at √s=13 TeV

Show simple item record CMS Collaboration en_US Sirunyan, A. M. en_US CHAUHAN, S. en_US DUBE, SOURABH en_US HEGDE, V. en_US KAPOOR, A. en_US KOTHEKAR, K. en_US PANDEY, S. en_US RANE, A. en_US SHARMA, SEEMA et al. en_US 2020-09-04T05:38:18Z 2020-09-04T05:38:18Z 2018-05 en_US
dc.identifier.citation Physics Letters B, 780, 432-454. en_US
dc.identifier.issn 0370-2693 en_US
dc.identifier.issn 1873-2445 en_US
dc.identifier.uri en_US
dc.description.abstract A search for long-lived particles was performed with data corresponding to an integrated luminosity of 2.6 fb−1 collected at a center-of-mass energy of 13 TeV by the CMS experiment in 2015. The analysis exploits two customized topological trigger algorithms, and uses the multiplicity of displaced jets to search for the presence of a signal decay occurring at distances between 1 and 1000 mm. The results can be interpreted in a variety of different models. For pair-produced long-lived particles decaying to two b quarks and two leptons with equal decay rates between lepton flavors, cross sections larger than 2.5 fb are excluded for proper decay lengths between 70–100 mm for a long-lived particle mass of 1130 GeV at 95% confidence. For a specific model of pair-produced, long-lived top squarks with R-parity violating decays to a b quark and a lepton, masses below 550–1130 GeV are excluded at 95% confidence for equal branching fractions between lepton flavors, depending on the squark decay length. This mass bound is the most stringent to date for top squark proper decay lengths greater than 3 mm. en_US
dc.language.iso en en_US
dc.publisher Elsevier B.V. en_US
dc.subject CMS en_US
dc.subject Physics en_US
dc.subject Long-lived particles en_US
dc.subject 2018 en_US
dc.title Search for new long-lived particles at √s=13 TeV en_US
dc.type Article en_US
dc.contributor.department Dept. of Physics en_US
dc.identifier.sourcetitle Physics Letters B en_US
dc.publication.originofpublisher Foreign en_US

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