About: Search for anomalous t(t)over-bar production in the highly-boosted all-hadronic final state     Goto   Sponge   NotDistinct   Permalink

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Description
  • A search is presented for a massive particle, generically referred to as a Z', decaying into a t (t) over bar pair. The search focuses on Z' resonances that are sufficiently massive to produce highly Lorentz-boosted top quarks, which yield collimated decay products that are partially or fully merged into single jets. The analysis uses new methods to analyze jet substructure, providing suppression of the non-top multijet backgrounds. The analysis is based on a data sample of proton-proton collisions at a center-of-mass energy of 7TeV, corresponding to an integrated luminosity of 5 fb(-1). Upper limits in the range of 1 pb are set on the product of the production cross section and branching fraction for a topcolor Z' modeled for several widths, as well as for a Randall-Sundrum Kaluza-Klein gluon. In addition, the result contrain any enhancement in t (t) over bar production beyond expectations of the standard mode for tt invariant mass larger than 1TeV/c(2).
  • A search is presented for a massive particle, generically referred to as a Z', decaying into a t (t) over bar pair. The search focuses on Z' resonances that are sufficiently massive to produce highly Lorentz-boosted top quarks, which yield collimated decay products that are partially or fully merged into single jets. The analysis uses new methods to analyze jet substructure, providing suppression of the non-top multijet backgrounds. The analysis is based on a data sample of proton-proton collisions at a center-of-mass energy of 7TeV, corresponding to an integrated luminosity of 5 fb(-1). Upper limits in the range of 1 pb are set on the product of the production cross section and branching fraction for a topcolor Z' modeled for several widths, as well as for a Randall-Sundrum Kaluza-Klein gluon. In addition, the result contrain any enhancement in t (t) over bar production beyond expectations of the standard mode for tt invariant mass larger than 1TeV/c(2). (en)
Title
  • Search for anomalous t(t)over-bar production in the highly-boosted all-hadronic final state
  • Search for anomalous t(t)over-bar production in the highly-boosted all-hadronic final state (en)
skos:prefLabel
  • Search for anomalous t(t)over-bar production in the highly-boosted all-hadronic final state
  • Search for anomalous t(t)over-bar production in the highly-boosted all-hadronic final state (en)
skos:notation
  • RIV/00216208:11320/12:10129120!RIV13-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LA08015)
http://linked.open...iv/cisloPeriodika
  • 9
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
  • 166948
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/12:10129120
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Hadron-Hadron Scattering; CMS; LHC (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • IT - Italská republika
http://linked.open...ontrolniKodProRIV
  • [3FF597C7E500]
http://linked.open...i/riv/nazevZdroje
  • Journal of 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.
  • Wagner, P.
  • Bergauer, T.
  • Dragicevic, M.
  • Eroe, J.
  • Fabjan, C.
  • Friedl, M.
  • Fruehwirth, R.
  • Ghete, V. M.
  • Hammer, J.
  • Hoermann, N.
  • Hrubec, J.
  • Jeitler, M.
  • Kiesenhofer, W.
  • Krammer, M.
  • Liko, D.
  • Mikulec, I.
  • Pernicka, M.
  • Rahbaran, B.
  • Rohringer, C.
  • Rohringer, H.
  • Schoefbeck, R.
  • Sirunyan, A. M.
  • Strauss, J.
  • Taurok, A.
  • Tumasyan, A.
  • Waltenberger, W.
  • Teischinger, F.
http://linked.open...ain/vavai/riv/wos
  • 000310341300042
issn
  • 1126-6708
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/JHEP09(2012)029
http://localhost/t...ganizacniJednotka
  • 11320
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