Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at s =13 TeV

The CMS collaboration

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

A search is presented for long-lived particles produced in pairs in proton-proton collisions at the LHC operating at a center-of-mass energy of 13 TeV. The data were collected with the CMS detector during the period from 2015 through 2018, and correspond to a total integrated luminosity of 140 fb-1. This search targets pairs of long-lived particles with mean proper decay lengths between 0.1 and 100 mm, each of which decays into at least two quarks that hadronize to jets, resulting in a final state with two displaced vertices. No significant excess of events with two displaced vertices is observed. In the context of R-parity violating supersymmetry models, the pair production of long-lived neutralinos, gluinos, and top squarks is excluded at 95% confidence level for cross sections larger than 0.08 fb, masses between 800 and 3000 GeV, and mean proper decay lengths between 1 and 25 mm.

Язык оригиналаанглийский
Номер статьи052011
ЖурналPhysical Review D
Том104
Номер выпуска5
DOI
СостояниеОпубликовано - 1 сен 2021

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