Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV

We present a search for the lightest supersymmetric partner of the top quark in proton-antiproton collisions at a center-of-mass energy √s=1.96TeV. This search was conducted within the framework of the R parity conserving minimal supersymmetric extension of the standard model, assuming the stop deca...

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Main Authors: Aaltonen, T, Álvarez gonzález, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Appel, J, Apresyan, A, Arisawa, T, Artikov, A, Asaadi, J, Ashmanskas, W, Auerbach, B, Aurisano, A, Azfar, F, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Barria, P, Bartos, P, Bauce, M, Bauer, G
Format: Journal article
Language:English
Published: 2010
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author Aaltonen, T
Álvarez gonzález, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartos, P
Bauce, M
Bauer, G
author_facet Aaltonen, T
Álvarez gonzález, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartos, P
Bauce, M
Bauer, G
author_sort Aaltonen, T
collection OXFORD
description We present a search for the lightest supersymmetric partner of the top quark in proton-antiproton collisions at a center-of-mass energy √s=1.96TeV. This search was conducted within the framework of the R parity conserving minimal supersymmetric extension of the standard model, assuming the stop decays dominantly to a lepton, a sneutrino, and a bottom quark. We searched for events with two oppositely-charged leptons, at least one jet, and missing transverse energy in a data sample corresponding to an integrated luminosity of 1fb⊃-1 collected by the Collider Detector at Fermilab experiment. No significant evidence of a stop quark signal was found. Exclusion limits at 95% confidence level in the stop quark versus sneutrino mass plane are set. Stop quark masses up to 180GeV/c2 are excluded for sneutrino masses around 45GeV/c2, and sneutrino masses up to 116GeV/c2 are excluded for stop quark masses around 150GeV/c2. © 2010 The American Physical Society.
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spelling oxford-uuid:47009107-f8b0-4c28-9f07-0dc74ecb9b4e2022-03-26T15:17:17ZSearch for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeVJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:47009107-f8b0-4c28-9f07-0dc74ecb9b4eEnglishSymplectic Elements at Oxford2010Aaltonen, TÁlvarez gonzález, BAmerio, SAmidei, DAnastassov, AAnnovi, AAntos, JApollinari, GAppel, JApresyan, AArisawa, TArtikov, AAsaadi, JAshmanskas, WAuerbach, BAurisano, AAzfar, FBadgett, WBarbaro-Galtieri, ABarnes, VBarnett, BBarria, PBartos, PBauce, MBauer, GWe present a search for the lightest supersymmetric partner of the top quark in proton-antiproton collisions at a center-of-mass energy √s=1.96TeV. This search was conducted within the framework of the R parity conserving minimal supersymmetric extension of the standard model, assuming the stop decays dominantly to a lepton, a sneutrino, and a bottom quark. We searched for events with two oppositely-charged leptons, at least one jet, and missing transverse energy in a data sample corresponding to an integrated luminosity of 1fb⊃-1 collected by the Collider Detector at Fermilab experiment. No significant evidence of a stop quark signal was found. Exclusion limits at 95% confidence level in the stop quark versus sneutrino mass plane are set. Stop quark masses up to 180GeV/c2 are excluded for sneutrino masses around 45GeV/c2, and sneutrino masses up to 116GeV/c2 are excluded for stop quark masses around 150GeV/c2. © 2010 The American Physical Society.
spellingShingle Aaltonen, T
Álvarez gonzález, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartos, P
Bauce, M
Bauer, G
Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV
title Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV
title_full Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV
title_fullStr Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV
title_full_unstemmed Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV
title_short Search for the supersymmetric partner of the top quark in pp̄ collisions at √s=1.96TeV
title_sort search for the supersymmetric partner of the top quark in pp collisions at √s 1 96tev
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