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Title: Search for narrow resonances decaying to dijets in proton-proton collisions at √s = 13 TeV

Abstract

In this study, a search for narrow resonances in proton-proton collisions at √s = 13 TeV is presented. The invariant mass distribution of the two leading jets is measured with the CMS detector using a data set corresponding to an integrated luminosity of 2.4 fb –1. The highest observed dijet mass is 6.1 TeV. The distribution is smooth and no evidence for resonant particles is observed. Upper limits at 95% confidence level are set on the production cross section for narrow resonances with masses above 1.5 TeV. When interpreted in the context of specific models, the limits exclude string resonances with masses below 7.0 TeV, scalar diquarks below 6.0 TeV, axigluons and colorons below 5.1 TeV, excited quarks below 5.0 TeV, color-octet scalars below 3.1 TeV, and W' bosons below 2.6 TeV. These results significantly extend previously published limits.

Authors:
 [1]
  1. Yerevan Physics Institute, Yerevan (Armenia). et al.
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
CMS Collaboration
OSTI Identifier:
1238404
Alternate Identifier(s):
OSTI ID: 1244515
Report Number(s):
FERMILAB-PUB-15-594-CMS; CMS-EXO-15-001; CERN-PH-EP-2015-317; arXiv:1512.01224
Journal ID: ISSN 0031-9007; PRLTAO; 1407955; TRN: US1600808
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 116; Journal Issue: 7; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Khachatryan, Vardan. Search for narrow resonances decaying to dijets in proton-proton collisions at √s = 13 TeV. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.116.071801.
Khachatryan, Vardan. Search for narrow resonances decaying to dijets in proton-proton collisions at √s = 13 TeV. United States. doi:10.1103/PhysRevLett.116.071801.
Khachatryan, Vardan. Thu . "Search for narrow resonances decaying to dijets in proton-proton collisions at √s = 13 TeV". United States. doi:10.1103/PhysRevLett.116.071801.
@article{osti_1238404,
title = {Search for narrow resonances decaying to dijets in proton-proton collisions at √s = 13 TeV},
author = {Khachatryan, Vardan},
abstractNote = {In this study, a search for narrow resonances in proton-proton collisions at √s = 13 TeV is presented. The invariant mass distribution of the two leading jets is measured with the CMS detector using a data set corresponding to an integrated luminosity of 2.4 fb–1. The highest observed dijet mass is 6.1 TeV. The distribution is smooth and no evidence for resonant particles is observed. Upper limits at 95% confidence level are set on the production cross section for narrow resonances with masses above 1.5 TeV. When interpreted in the context of specific models, the limits exclude string resonances with masses below 7.0 TeV, scalar diquarks below 6.0 TeV, axigluons and colorons below 5.1 TeV, excited quarks below 5.0 TeV, color-octet scalars below 3.1 TeV, and W' bosons below 2.6 TeV. These results significantly extend previously published limits.},
doi = {10.1103/PhysRevLett.116.071801},
journal = {Physical Review Letters},
number = 7,
volume = 116,
place = {United States},
year = {2016},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevLett.116.071801

Citation Metrics:
Cited by: 34 works
Citation information provided by
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Figures / Tables:

FIG. 1 FIG. 1: Dijet mass spectrum (points) compared to a fitted parametrization (solid curve) and to the prediction of the PYTHIA 8 QCD MC event generator including simulation of the detector (dashed curve). The lower panel shows the difference between the data and the fitted parametrization, divided by the statistical uncertainties.more » The predicted distributions of narrow resonance signals for three models, with resonance mass values corresponding to the respective 95% confidence level exclusion limit, are shown in both panels (dash-dotted curves).« less

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    Works referencing / citing this record:

    Search for pair-produced resonances decaying to quark pairs in proton-proton collisions at s = 13 TeV
    journal, December 2018


    Search for pair-produced three-jet resonances in proton-proton collisions at s = 13 TeV
    journal, January 2019


      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.