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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
Baringer, Philip S. Bean, Alice Christofek, L. Coppage, Don Gardner, J. Hensel, Carsten Moulik, Tania Wilson, Graham Wallace
Baringer, Philip S.
Bean, Alice
Christofek, L.
Coppage, Don
Gardner, J.
Hensel, Carsten
Moulik, Tania
Wilson, Graham Wallace
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Abstract
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.
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2006-10
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AMERICAN PHYSICAL SOC
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Abazov, VM; Abbott, B, et al. Search for neutral, long-lived particles decaying into two muons in p(p)over-bar collisions at root s=1.96 TeV. PHYSICAL REVIEW LETTERS. October 2006. 97(16)