Search for long-lived particles using nonprompt jets and missing transverse momentum with proton-proton collisions at s=13TeV

The CMS Collaboration

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

A search for long-lived particles decaying to displaced, nonprompt jets and missing transverse momentum is presented. The data sample corresponds to an integrated luminosity of 137 fb−1 of proton-proton collisions at a center-of-mass energy of 13 TeV collected by the CMS experiment at the CERN LHC in 2016–2018. Candidate signal events containing nonprompt jets are identified using the timing capabilities of the CMS electromagnetic calorimeter. The results of the search are consistent with the background prediction and are interpreted using a gauge-mediated supersymmetry breaking reference model with a gluino next-to-lightest supersymmetric particle. In this model, gluino masses up to 2100, 2500, and 1900 GeV are excluded at 95% confidence level for proper decay lengths of 0.3, 1, and 100 m, respectively. These are the best limits to date for such massive gluinos with proper decay lengths greater than ∼0.5 m.

Original languageEnglish (US)
Article number134876
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume797
DOIs
StatePublished - Oct 10 2019

Bibliographical note

Publisher Copyright:
© 2019 The Author

Keywords

  • Exotica
  • Long-lived particles

Fingerprint

Dive into the research topics of 'Search for long-lived particles using nonprompt jets and missing transverse momentum with proton-proton collisions at s=13TeV'. Together they form a unique fingerprint.

Cite this