About: Search for pair produced fourth-generation up-type quarks in pp collisions at root s=7 TeV with a lepton in the final state     Goto   Sponge   NotDistinct   Permalink

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Description
  • The results of a search for the pair production of a fourth-generation up-type quark (t') in proton-proton collisions at <img height=%2215%22 border=%220%22 style=%22vertical-align:bottom%22 width=%2272%22 alt=%22View the MathML source%22 title=%22View the MathML source%22 src=%22http://ars.els-cdn.com/content/image/1-s2.0-S0370269312010921-si3.gif%22> are presented, using data corresponding to an integrated luminosity of about 5.0 fbMINUS SIGN 1 collected by the Compact Muon Solenoid experiment at the LHC. The t' quark is assumed to decay exclusively to a W boson and a b quark. Events with a single isolated electron or muon, missing transverse momentum, and at least four hadronic jets, of which at least one must be identified as a b jet, are selected. No significant excess of events over standard model expectations is observed. Upper limits for the <img height=%2213%22 border=%220%22 style=%22vertical-align:bottom%22 width=%2218%22 alt=%22View the MathML source%22 title=%22View the MathML source%22 src=%22http://ars.els-cdn.com/content/image/1-s2.0-S0370269312010921-si5.gif%22> production cross section at 95% confidence level are set as a function of t' mass, and t'-quark production for masses below 570 GeV is excluded. The search is equally sensitive to nonchiral heavy quarks decaying to Wb. In this case, the results can be interpreted as upper limits on the production cross section times the branching fraction to Wb.
  • The results of a search for the pair production of a fourth-generation up-type quark (t') in proton-proton collisions at <img height=%2215%22 border=%220%22 style=%22vertical-align:bottom%22 width=%2272%22 alt=%22View the MathML source%22 title=%22View the MathML source%22 src=%22http://ars.els-cdn.com/content/image/1-s2.0-S0370269312010921-si3.gif%22> are presented, using data corresponding to an integrated luminosity of about 5.0 fbMINUS SIGN 1 collected by the Compact Muon Solenoid experiment at the LHC. The t' quark is assumed to decay exclusively to a W boson and a b quark. Events with a single isolated electron or muon, missing transverse momentum, and at least four hadronic jets, of which at least one must be identified as a b jet, are selected. No significant excess of events over standard model expectations is observed. Upper limits for the <img height=%2213%22 border=%220%22 style=%22vertical-align:bottom%22 width=%2218%22 alt=%22View the MathML source%22 title=%22View the MathML source%22 src=%22http://ars.els-cdn.com/content/image/1-s2.0-S0370269312010921-si5.gif%22> production cross section at 95% confidence level are set as a function of t' mass, and t'-quark production for masses below 570 GeV is excluded. The search is equally sensitive to nonchiral heavy quarks decaying to Wb. In this case, the results can be interpreted as upper limits on the production cross section times the branching fraction to Wb. (en)
Title
  • Search for pair produced fourth-generation up-type quarks in pp collisions at root s=7 TeV with a lepton in the final state
  • Search for pair produced fourth-generation up-type quarks in pp collisions at root s=7 TeV with a lepton in the final state (en)
skos:prefLabel
  • Search for pair produced fourth-generation up-type quarks in pp collisions at root s=7 TeV with a lepton in the final state
  • Search for pair produced fourth-generation up-type quarks in pp collisions at root s=7 TeV with a lepton in the final state (en)
skos:notation
  • RIV/00216208:11320/12:10129273!RIV13-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LA08015)
http://linked.open...iv/cisloPeriodika
  • 718
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 167019
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/12:10129273
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • lepton in final state; root s=7 TeV; pp collisions; fourth-generation up-type quarks; CMS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [209346C23CFA]
http://linked.open...i/riv/nazevZdroje
  • Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2012
http://linked.open...iv/tvurceVysledku
  • Adam, W.
  • Chatrchyan, S.
  • Finger, Michael
  • Finger, Miroslav
  • Khachatryan, V.
  • Bergauer, T.
  • Dragicevic, M.
  • Sirunyan, A. M.
  • Tumasyan, A.
  • Aguilo, E.
  • Erö, J.
issn
  • 0370-2693
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.physletb.2012.10.038
http://localhost/t...ganizacniJednotka
  • 11320
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