Title
Search for jet extinction in the inclusive jet-<tex>$p_{T}$</tex> spectrum from proton-proton collisions at root <tex>$\sqrt{s}=$</tex> 8 TeVSearch for jet extinction in the inclusive jet-<tex>$p_{T}$</tex> spectrum from proton-proton collisions at root <tex>$\sqrt{s}=$</tex> 8 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Elementary Particle Physics
Department of Physics
Publication type
article
Publication
Lancaster, Pa,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
90(2014):3, 17 p.
ISSN
0556-2821
1550-7998
Article Reference
032005
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
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-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.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/8a3259/8507.pdf
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