Search for Jet Extinction in the Inclusive Jet-p[subscript T] Spectrum from Proton-Proton Collisions at √s = 8 TeV
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Khachatryan-2014-Search for jet extinction.pdf
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Author(s)
Apyan, Aram
Busza, Wit
Cali, Ivan Amos
Chan, M.
Di Matteo, Leonardo
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Gulhan, Doga Can
Klute, Markus
Lai, Yue Shi
Date Issued
August 2014
Journal
Physical Review D
Publisher
American Physical Society
Citation
Khachatryan, V., A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Ero, et al. “Search for Jet Extinction in the Inclusive Jet-p[subscript T] Spectrum from Proton-Proton Collisions at √s = 8 TeV.” Phys. Rev. D 90, no. 3 (August 2014). © 2014 CERN, for the CMS Collaboration
Version
Final published version
Abstract
The first search at the LHC for the extinction of QCD jet production is presented, using data collected with the CMS detector corresponding to an integrated luminosity of 10.7 fb[superscript −1] of proton-proton collisions at a center-of-mass energy of 8 TeV. The extinction model studied in this analysis is motivated by the search for signatures of strong gravity at the TeV scale (terascale gravity) and assumes the existence of string couplings in the strong-coupling limit. In this limit, the string model predicts the suppression of all high-transverse-momentum standard model processes, including jet production, beyond a certain energy scale. To test this prediction, the measured transverse-momentum spectrum is compared to the theoretical prediction of the standard model. No significant deficit of events is found at high transverse momentum. A 95% confidence level lower limit of 3.3 TeV is set on the extinction mass scale.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Massachusetts Institute of Technology. School of Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.90.032005
