Title
Search for leptonic decays of W' bosons in pp collisions at <tex>$\sqrt{s}=7TeV$</tex> Search for leptonic decays of W' bosons in pp collisions at <tex>$\sqrt{s}=7TeV$</tex>
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Bristol ,
Subject
Physics
Source (journal)
Journal of high energy physics. - Bristol
Volume/pages
(2012) :8 , p. 1-33
ISSN
1126-6708
1029-8479
ISI
000309883600062
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A search for a new heavy gauge boson W' decaying to an electron or muon, plus a low mass neutrino, is presented. This study uses data corresponding to an integrated luminosity of 5.0 fb(-1), collected using the CMS detector in pp collisions at a centre-of-mass energy of 7TeV at the LHC. Events containing a single electron or muon and missing transverse momentum are analyzed. No significant excess of events above the standard model expectation is found in the transverse mass distribution of the lepton-neutrino system, and upper limits for cross sections above different transverse mass thresholds are presented. Mass exclusion limits at 95% CL for a range of W' models are determined, including a limit of 2.5TeV for right-handed W' bosons with standard-model-like couplings and limits of 2.43-2.63 TeV for left-handed W' bosons, taking into account their interference with the standard model W boson. Exclusion limits have also been set on Kaluza-Klein W-KK states in the framework of split universal extra dimensions.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/0ec714/3616.pdf
E-info
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