About: Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at s = 8 TeV with the ATLAS detector     Goto   Sponge   NotDistinct   Permalink

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Description
  • A search is presented for direct chargino production based on a disappearing-track signature using 20.3 fb-1 of proton-proton collisions at s = 8 TeV collected with the ATLAS experiment at the LHC. In anomaly-mediated supersymmetry breaking (AMSB) models, the lightest chargino is nearly mass-degenerate with the lightest neutralino and its lifetime is long enough to be detected in the tracking detectors by identifying decays that result in tracks with no associated hits in the outer region of the tracking system. Some models with supersymmetry also predict charginos with a significant lifetime. This analysis attains sensitivity for charginos with a lifetime between 0.1 ns and 10 ns, and significantly surpasses the reach of the LEP experiments. No significant excess above the background expectation is observed for candidate tracks with large transverse momentum, and constraints on chargino properties are obtained.
  • A search is presented for direct chargino production based on a disappearing-track signature using 20.3 fb-1 of proton-proton collisions at s = 8 TeV collected with the ATLAS experiment at the LHC. In anomaly-mediated supersymmetry breaking (AMSB) models, the lightest chargino is nearly mass-degenerate with the lightest neutralino and its lifetime is long enough to be detected in the tracking detectors by identifying decays that result in tracks with no associated hits in the outer region of the tracking system. Some models with supersymmetry also predict charginos with a significant lifetime. This analysis attains sensitivity for charginos with a lifetime between 0.1 ns and 10 ns, and significantly surpasses the reach of the LEP experiments. No significant excess above the background expectation is observed for candidate tracks with large transverse momentum, and constraints on chargino properties are obtained. (en)
Title
  • Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at s = 8 TeV with the ATLAS detector
  • Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at s = 8 TeV with the ATLAS detector (en)
skos:prefLabel
  • Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at s = 8 TeV with the ATLAS detector
  • Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at s = 8 TeV with the ATLAS detector (en)
skos:notation
  • RIV/68378271:_____/13:00427260!RIV15-AV0-68378271
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(LG13009)
http://linked.open...iv/cisloPeriodika
  • 11
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...titaPredkladatele
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  • 104208
http://linked.open...ai/riv/idVysledku
  • RIV/68378271:_____/13:00427260
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • CERN; chargino; mass; supersymmetry; symmetry breaking; lifetime; tracking detector; neutralino; signature; tracks; ATLAS; transverse momentum (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7246FE113007]
http://linked.open...i/riv/nazevZdroje
  • Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...v/svazekPeriodika
  • 88
http://linked.open...iv/tvurceVysledku
  • Abbott, B.
  • Aad, G.
  • Böhm, Jan
  • Chudoba, Jiří
  • Kepka, Oldřich
  • Kupčo, Alexander
  • Kůs, Vlastimil
  • Lokajíček, Miloš
  • Marčišovský, Michal
  • Mikeštíková, Marcela
  • Myška, Miroslav
  • Němeček, Stanislav
  • Růžička, Pavel
  • Schovancová, Jaroslava
  • Staroba, Pavel
  • Taševský, Marek
  • Tic, Tomáš
  • Vrba, Václav
  • Šícho, Petr
  • Svatoš, Michal
  • Abajyan, T.
  • Jakoubek, Tomáš
  • Lysák, Roman
  • Hejbal, Jiří
  • Roda Dos Santos, D.
http://linked.open...ain/vavai/riv/wos
  • 000328604400001
issn
  • 1550-7998
number of pages
http://bibframe.org/vocab/doi
  • 10.1103/PhysRevD.88.112006
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