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Search for dilepton signatures from minimal low-energy supergravity in pp-bar collisions at s√=1.8 TeV
Baringer, Philip S. Bean, Alice Coppage, Don Hebert, C. Abbott, B. Abolins, M. Abramov, V. Acharya, B. S. Adams, D. L. Adams, M.
Baringer, Philip S.
Bean, Alice
Coppage, Don
Hebert, C.
Abbott, B.
Abolins, M.
Abramov, V.
Acharya, B. S.
Adams, D. L.
Adams, M.
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Abstract
We report on a search for supersymmetry using the DØ detector. The 1994–1996 data sample of s√=1.8 TeV pp-bar collisions was analyzed for events containing two leptons (e or μ), two or more jets, and missing transverse energy. Assuming the minimal supergravity model, with A(0)=0 and μ<0, various thresholds were employed to optimize the search. No events were found beyond expectation from the background. We set a lower limit at the 95% C.L. of 255 GeV/c(2) for equal mass squarks and gluinos for tanβ=2, and present exclusion contours in the (m(0),m(1/2)) plane for tanβ=2–6.
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This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.63.091102.
Date
2001-04-10
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American Physical Society
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B. Abbott et al. ((DØ Collaboration)). (2001). "Search for dilepton signatures from minimal low-energy supergravity in pp-bar collisions at s√=1.8 TeV." Physical Review D, 63(9):091102(R). http://dx.doi.org/10.1103/PhysRevD.63.091102