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A search for dilepton signatures from minimal low-energy supergravity in pp collisions at √s = 1.8 TeV

A search for dilepton signatures from minimal low-energy supergravity in pp collisions at √s = 1.8 TeV
A search for dilepton signatures from minimal low-energy supergravity in pp collisions at √s = 1.8 TeV
We report on a search for supersymmetry using the DØ detector. The 1994–1996 data sample of √s=1.8 TeV p¯p 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 A0=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/c2 for equal mass squarks and gluinos for tanβ=2, and present exclusion contours in the (m0,m1/2) plane for tanβ=2–6.
2470-0010
091102
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
DØ collaboration
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Abbott, B. and Belyaev, Alexander , DØ collaboration (2001) A search for dilepton signatures from minimal low-energy supergravity in pp collisions at √s = 1.8 TeV. Physical Review D, D63, 091102. (doi:10.1103/PhysRevD.63.091102).

Record type: Article

Abstract

We report on a search for supersymmetry using the DØ detector. The 1994–1996 data sample of √s=1.8 TeV p¯p 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 A0=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/c2 for equal mass squarks and gluinos for tanβ=2, and present exclusion contours in the (m0,m1/2) plane for tanβ=2–6.

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Published date: 10 April 2001
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 410837
URI: https://eprints.soton.ac.uk/id/eprint/410837
ISSN: 2470-0010
PURE UUID: 16e54fb2-7177-42d7-9c79-29a85139cc15
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 09 Jun 2017 09:44
Last modified: 15 Mar 2019 01:33

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