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Search for a fourth generation t' quark in ppbar collisions at sqrt{s}=1.96 TeV

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Search for a fourth generation t' quark in ppbar collisions at sqrt{s}=1.96 TeV. / Collaboration, D0; Bertram, Iain; Borissov, Guennadi; Fox, Harald; Ross, Anthony; Williams, Mark; Ratoff, Peter.

In: Physical review letters, Vol. 107, No. 8, 082001, 16.08.2011.

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@article{e5cc4892d2a5456baaa4cf2b2889c301,
title = "Search for a fourth generation t' quark in ppbar collisions at sqrt{s}=1.96 TeV",
abstract = "We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of 5.3/fb of proton-antiproton collisions at sqrt{s}=1.96 TeV collected by the D0 Collaboration at the Fermilab Tevatron Collider. We set upper limits on the t't'bar production cross section that exclude at the 95% C.L. a t' quark that decays exclusively to W+jet with a mass below 285 GeV. We observe a small excess in the muon+jets channel which reduces the mass range excluded compared to the expected limit of 320 GeV in the absence of a signal.",
author = "D0 Collaboration and Iain Bertram and Guennadi Borissov and Harald Fox and Anthony Ross and Mark Williams and Peter Ratoff",
note = "{\textcopyright} 2011 American Physical Society submitted to Phys. Rev. Letters",
year = "2011",
month = aug,
day = "16",
doi = "10.1103/PhysRevLett.107.082001",
language = "English",
volume = "107",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "8",

}

RIS

TY - JOUR

T1 - Search for a fourth generation t' quark in ppbar collisions at sqrt{s}=1.96 TeV

AU - Collaboration, D0

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Ross, Anthony

AU - Williams, Mark

AU - Ratoff, Peter

N1 - © 2011 American Physical Society submitted to Phys. Rev. Letters

PY - 2011/8/16

Y1 - 2011/8/16

N2 - We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of 5.3/fb of proton-antiproton collisions at sqrt{s}=1.96 TeV collected by the D0 Collaboration at the Fermilab Tevatron Collider. We set upper limits on the t't'bar production cross section that exclude at the 95% C.L. a t' quark that decays exclusively to W+jet with a mass below 285 GeV. We observe a small excess in the muon+jets channel which reduces the mass range excluded compared to the expected limit of 320 GeV in the absence of a signal.

AB - We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of 5.3/fb of proton-antiproton collisions at sqrt{s}=1.96 TeV collected by the D0 Collaboration at the Fermilab Tevatron Collider. We set upper limits on the t't'bar production cross section that exclude at the 95% C.L. a t' quark that decays exclusively to W+jet with a mass below 285 GeV. We observe a small excess in the muon+jets channel which reduces the mass range excluded compared to the expected limit of 320 GeV in the absence of a signal.

U2 - 10.1103/PhysRevLett.107.082001

DO - 10.1103/PhysRevLett.107.082001

M3 - Journal article

VL - 107

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 8

M1 - 082001

ER -