Title
Search for heavy bottom-like quarks in 4.9 <tex>$fb^{-1}$</tex> of pp collisions at <tex>$\sqrt{s}$</tex>=7 TeV Search for heavy bottom-like quarks in 4.9 <tex>$fb^{-1}$</tex> of pp collisions at <tex>$\sqrt{s}$</tex>=7 TeV
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) :5 , 30 p.
ISSN
1126-6708
1029-8479
Article Reference
123
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at root s = 7 TeV, undertaken with the CMS experiment at the LHC. The b' quarks are assumed to decay exclusively to tW. The b'(b') over bar -> tW(-)(t) over barW(+) process can be identified by its distinctive signatures of three leptons or two leptons of same charge, and at least one b-quark jet. Using a data sample corresponding to an integrated luminosity of 4.9 fb(-1), observed events are compared to the standard model background predictions, and the existence of b' quarks having masses below 611 GeV/c(2) is excluded at 95% confidence level.
E-info
https://repository.uantwerpen.be/docman/iruaauth/98842b/4992581.pdf
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/4fe8fd/100342.pdf
Handle