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Search for neutral, long-lived particles decaying into two muons in p(p)over-bar collisions at root s=1.96 TeV
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2006 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 97, no 16, 161802- p.Article in journal (Refereed) Published
Abstract [en]

We present a search for a neutral particle, pair produced in pp collisions at root s=1.96 TeV, which decays into two muons and lives long enough to travel at least 5 cm before decaying. The analysis uses approximate to 380 pb(-1) of data recorded with the D0 detector. The background is estimated to be about one event. No candidates are observed, and limits are set on the pair-production cross section times branching fraction into dimuons + X for such particles. For a mass of 10 GeV and lifetime of 4x10(-11) s, we exclude values greater than 0.14 pb (95% C.L.). These results are used to limit the interpretation of NuTeV's excess of dimuon events.

Place, publisher, year, edition, pages
2006. Vol. 97, no 16, 161802- p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-153841DOI: 10.1103/PhysRevLett.97.161802ISI: 000241405400010OAI: oai:DiVA.org:uu-153841DiVA: diva2:418161
Available from: 2011-05-20 Created: 2011-05-19 Last updated: 2017-12-11Bibliographically approved

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