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Search for W ' boson resonances decaying to a top quark and a bottom quark
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University.
Stockholm University.
2008 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 100, no 21, 211803- p.Article in journal (Refereed) Published
Abstract [en]

We search for the production of a heavy W ' gauge boson that decays to third generation quarks in 0: 9 fb(-1) of p (p) over bar collisions at root s = 1: 96 TeV, collected with the D0 detector at the Fermilab Tevatron collider. We find no significant excess in the final-state invariant mass distribution and set upper limits on the production cross section times branching fraction. For a left-handed W ' boson with SM couplings, we set a lower mass limit of 731 GeV. For right-handed W ' bosons, we set lower mass limits of 739 GeV if the W ' boson decays to both leptons and quarks and 768 GeV if the W ' boson decays only to quarks. We also set limits on the coupling of the W ' boson to fermions as a function of its mass.

Place, publisher, year, edition, pages
2008. Vol. 100, no 21, 211803- p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:su:diva-58528DOI: 10.1103/PhysRevLett.100.211803ISI: 000256585500015OAI: oai:DiVA.org:su-58528DiVA: diva2:420658
Note
authorCount :535Available from: 2011-06-03 Created: 2011-06-03 Last updated: 2017-12-11Bibliographically approved

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