Search for new physics with dijet angular distributions in proton-proton collisions at √s=13 TeV

The CMS collaboration

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A search is presented for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at s=13 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 2.6 fb−1. The distributions are found to be in agreement with predictions from perturbative quantum chromodynamics that include electroweak corrections. Limits for different contact interaction models are obtained. In a benchmark model, valid to next-to-leading order in QCD and in which only left-handed quarks participate, quark contact interactions are excluded up to a scale of 11.5 and 14.7 TeV for destructive or constructive interference, respectively. The production of quantum black holes is excluded for masses below 7.8 or 5.3 TeV, depending on the model. The lower limits for the scales of virtual graviton exchange in the Arkani-Hamed-Dimopoulos-Dvali model of extra spatial dimensions are in the range 7.9–11.2 TeV, and are the most stringent set of limits available.[Figure not available: see fulltext.].

Original languageEnglish
Article number13
JournalJournal of High Energy Physics
Volume2017
Issue number7
DOIs
Publication statusPublished - 1 Jul 2017

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angular distribution
electric contacts
physics
collisions
protons
quarks
quantum chromodynamics
gravitons
interactions
luminosity
interference
detectors
predictions

Keywords

  • Beyond Standard Model
  • Hadron-Hadron scattering (experiments)

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Search for new physics with dijet angular distributions in proton-proton collisions at √s=13 TeV. / The CMS collaboration.

In: Journal of High Energy Physics, Vol. 2017, No. 7, 13, 01.07.2017.

Research output: Contribution to journalArticle

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abstract = "A search is presented for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at s=13 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 2.6 fb−1. The distributions are found to be in agreement with predictions from perturbative quantum chromodynamics that include electroweak corrections. Limits for different contact interaction models are obtained. In a benchmark model, valid to next-to-leading order in QCD and in which only left-handed quarks participate, quark contact interactions are excluded up to a scale of 11.5 and 14.7 TeV for destructive or constructive interference, respectively. The production of quantum black holes is excluded for masses below 7.8 or 5.3 TeV, depending on the model. The lower limits for the scales of virtual graviton exchange in the Arkani-Hamed-Dimopoulos-Dvali model of extra spatial dimensions are in the range 7.9–11.2 TeV, and are the most stringent set of limits available.[Figure not available: see fulltext.].",
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