Title
Search for third-generation scalar leptoquarks in the t <tex>$\tau$</tex> channel in proton-proton collisions <tex>$\sqrt{s}=$</tex>8 TeVSearch for third-generation scalar leptoquarks in the t <tex>$\tau$</tex> channel in proton-proton collisions <tex>$\sqrt{s}=$</tex>8 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Elementary Particle Physics
Publication type
article
Publication
Bristol,
Subject
Physics
Source (journal)
Journal of high energy physics. - Bristol
Volume/pages
(2015):7, 44 p.
ISSN
1126-6708
1029-8479
1029-8479
Article Reference
042
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A search for pair production of third-generation scalar leptoquarks decaying to top quark and tau lepton pairs is presented using proton-proton collision data at a center-of-mass energy of root s=8TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 fb(-1). The search is performed using events that contain an electron or a muon, a hadronically decaying tau lepton, and two or more jets. The observations are found to be consistent with the standard model predictions. Assuming that all leptoquarks decay to a top quark and a tau lepton, the existence of pair produced, charge -1/3, third-generation leptoquarks up to a mass of 685 GeV is excluded at 95% confidence level. This result constitutes the first direct limit for leptoquarks decaying into a top quark and a tau lepton, and may also be applied directly to the pair production of bottom squarks decaying predominantly via the R-parity violating coupling lambda'(333) .
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/37e555/127100.pdf
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