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Search for a Heavy Neutral Gauge Boson in the Dielectron Channel with 5.4 fb$^{-1}$ of $p\bar{p}$ Collisions at $\sqrt{s} = 1.96$ TeV
Stockholm University, Faculty of Science, Department of Physics.
2011 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 695, no 1-4, 88-94 p.Article in journal (Refereed) Published
Abstract [en]

We report the results of a search for a heavy neutral gauge boson Z decaying into the dielectron final state using data corresponding to an integrated luminosity of 5.4 fb−1 collected by the D0 experiment at the Fermilab Tevatron Collider. No significant excess above the standard model prediction is observed in the dielectron invariant-mass spectrum. We set depending on the dielectron invariant mass. These cross section limits are used to determine lower mass limits for Z bosons in a variety of models. For the sequential standard model Z boson a lower mass limit of 1023 GeV is obtained.

Place, publisher, year, edition, pages
2011. Vol. 695, no 1-4, 88-94 p.
Keyword [en]
Extensions of standard mode, New gauge bosons
National Category
Subatomic Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:su:diva-49948DOI: 10.1016/j.physletb.2010.10.059ISI: 000286708700017OAI: oai:DiVA.org:su-49948DiVA: diva2:379997
Projects
D0
Funder
Swedish Research Council
Note
Publikationen har totalt 437 författare, V. Abazov et al.Available from: 2010-12-20 Created: 2010-12-20 Last updated: 2017-12-11Bibliographically approved

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