Search for supersymmetry in events with a photon, jets, b -jets, and missing transverse momentum in proton–proton collisions at 13 Te

CMS Collaboration

Research output: Contribution to journalArticle

Abstract

A search for supersymmetry is presented based on events with at least one photon, jets, and large missing transverse momentum produced in proton–proton collisions at a center-of-mass energy of 13Te. The data correspond to an integrated luminosity of 35.9fb-1 and were recorded at the LHC with the CMS detector in 2016. The analysis characterizes signal-like events by categorizing the data into various signal regions based on the number of jets, the number of b -tagged jets, and the missing transverse momentum. No significant excess of events is observed with respect to the expectations from standard model processes. Limits are placed on the gluino and top squark pair production cross sections using several simplified models of supersymmetric particle production with gauge-mediated supersymmetry breaking. Depending on the model and the mass of the next-to-lightest supersymmetric particle, the production of gluinos with masses as large as 2120Ge and the production of top squarks with masses as large as 1230Ge are excluded at 95% confidence level.

Original languageEnglish
Article number444
JournalEuropean Physical Journal C
Volume79
Issue number5
DOIs
Publication statusPublished - 2019 May 1
Externally publishedYes

Fingerprint

Supersymmetry
transverse momentum
supersymmetry
Momentum
Photons
collisions
photons
signal analysis
particle production
pair production
center of mass
confidence
Signal analysis
luminosity
Gages
Luminance
detectors
cross sections
Detectors
energy

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

Cite this

Search for supersymmetry in events with a photon, jets, b -jets, and missing transverse momentum in proton–proton collisions at 13 Te. / CMS Collaboration.

In: European Physical Journal C, Vol. 79, No. 5, 444, 01.05.2019.

Research output: Contribution to journalArticle

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abstract = "A search for supersymmetry is presented based on events with at least one photon, jets, and large missing transverse momentum produced in proton–proton collisions at a center-of-mass energy of 13Te. The data correspond to an integrated luminosity of 35.9fb-1 and were recorded at the LHC with the CMS detector in 2016. The analysis characterizes signal-like events by categorizing the data into various signal regions based on the number of jets, the number of b -tagged jets, and the missing transverse momentum. No significant excess of events is observed with respect to the expectations from standard model processes. Limits are placed on the gluino and top squark pair production cross sections using several simplified models of supersymmetric particle production with gauge-mediated supersymmetry breaking. Depending on the model and the mass of the next-to-lightest supersymmetric particle, the production of gluinos with masses as large as 2120Ge and the production of top squarks with masses as large as 1230Ge are excluded at 95{\%} confidence level.",
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AB - A search for supersymmetry is presented based on events with at least one photon, jets, and large missing transverse momentum produced in proton–proton collisions at a center-of-mass energy of 13Te. The data correspond to an integrated luminosity of 35.9fb-1 and were recorded at the LHC with the CMS detector in 2016. The analysis characterizes signal-like events by categorizing the data into various signal regions based on the number of jets, the number of b -tagged jets, and the missing transverse momentum. No significant excess of events is observed with respect to the expectations from standard model processes. Limits are placed on the gluino and top squark pair production cross sections using several simplified models of supersymmetric particle production with gauge-mediated supersymmetry breaking. Depending on the model and the mass of the next-to-lightest supersymmetric particle, the production of gluinos with masses as large as 2120Ge and the production of top squarks with masses as large as 1230Ge are excluded at 95% confidence level.

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