Search for long-lived charged particles in proton-proton collisions at √s = 13 TeV

CMS Collaboration

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Results are presented of a search for heavy stable charged particles produced in proton-proton collisions at √s = 13 TeV using a data sample corresponding to an integrated luminosity of 2.5 fb-1 collected in 2015 with the CMS detector at the CERN LHC. The search is conducted using signatures of anomalously high energy deposits in the silicon tracker and long time-of-flight measurements by the muon system. The data are consistent with the expected background, and upper limits are set on the cross sections for production of long-lived gluinos, top squarks, tau sleptons, and leptonlike long-lived fermions. These upper limits are equivalently expressed as lower limits on the masses of new states; the limits for gluinos, ranging up to 1610 GeV, are the most stringent to date. Limits on the cross sections for direct pair production of long-lived tau sleptons are also determined.

Original languageEnglish
Article number112004
JournalPhysical Review D
Volume94
Issue number11
DOIs
Publication statusPublished - Jan 1 2016

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charged particles
collisions
protons
cross sections
pair production
muons
fermions
deposits
luminosity
signatures
detectors
silicon
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Search for long-lived charged particles in proton-proton collisions at √s = 13 TeV. / CMS Collaboration.

In: Physical Review D, Vol. 94, No. 11, 112004, 01.01.2016.

Research output: Contribution to journalArticle

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abstract = "Results are presented of a search for heavy stable charged particles produced in proton-proton collisions at √s = 13 TeV using a data sample corresponding to an integrated luminosity of 2.5 fb-1 collected in 2015 with the CMS detector at the CERN LHC. The search is conducted using signatures of anomalously high energy deposits in the silicon tracker and long time-of-flight measurements by the muon system. The data are consistent with the expected background, and upper limits are set on the cross sections for production of long-lived gluinos, top squarks, tau sleptons, and leptonlike long-lived fermions. These upper limits are equivalently expressed as lower limits on the masses of new states; the limits for gluinos, ranging up to 1610 GeV, are the most stringent to date. Limits on the cross sections for direct pair production of long-lived tau sleptons are also determined.",
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