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  • An updated search is performed for gluino, top squark, or bottom squark R-hadrons that have come to rest within the ATLAS calorimeter, and decay at some later time to hadronic jets and a neutralino, using 5.0 and 22.9 fb(-1) of pp collisions at 7 and 8 TeV, respectively. Candidate decay events are triggered in selected empty bunch crossings of the LHC in order to remove pp collision backgrounds. Selections based on jet shape and muon system activity are applied to discriminate signal events from cosmic ray and beam-halo muon backgrounds. In the absence of an excess of events, improved limits are set on gluino, stop, and sbottom masses for different decays, lifetimes, and neutralino masses. With a neutralino of mass 100 GeV, the analysis excludes gluinos with mass below 832 GeV (with an expected lower limit of 731 GeV), for a gluino lifetime between 10 mu s and 1000 s in the generic R-hadron model with equal branching ratios for decays to q (q) over bar(chi) over tilde (0) and g (chi) over tilde (0). Under the same assumptions for the neutralino mass and squark lifetime, top squarks and bottom squarks in the Regge R-hadron model are excluded with masses below 379 and 344 GeV, respectively.
  • An updated search is performed for gluino, top squark, or bottom squark R-hadrons that have come to rest within the ATLAS calorimeter, and decay at some later time to hadronic jets and a neutralino, using 5.0 and 22.9 fb(-1) of pp collisions at 7 and 8 TeV, respectively. Candidate decay events are triggered in selected empty bunch crossings of the LHC in order to remove pp collision backgrounds. Selections based on jet shape and muon system activity are applied to discriminate signal events from cosmic ray and beam-halo muon backgrounds. In the absence of an excess of events, improved limits are set on gluino, stop, and sbottom masses for different decays, lifetimes, and neutralino masses. With a neutralino of mass 100 GeV, the analysis excludes gluinos with mass below 832 GeV (with an expected lower limit of 731 GeV), for a gluino lifetime between 10 mu s and 1000 s in the generic R-hadron model with equal branching ratios for decays to q (q) over bar(chi) over tilde (0) and g (chi) over tilde (0). Under the same assumptions for the neutralino mass and squark lifetime, top squarks and bottom squarks in the Regge R-hadron model are excluded with masses below 379 and 344 GeV, respectively. (en)
Title
  • Search for long-lived stopped R-hadrons decaying out of time with pp collisions using the ATLAS detector
  • Search for long-lived stopped R-hadrons decaying out of time with pp collisions using the ATLAS detector (en)
skos:prefLabel
  • Search for long-lived stopped R-hadrons decaying out of time with pp collisions using the ATLAS detector
  • Search for long-lived stopped R-hadrons decaying out of time with pp collisions using the ATLAS detector (en)
skos:notation
  • RIV/68407700:21670/13:00214206!RIV14-MSM-21670___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(ED2.1.00/03.0058), P(LG13009), P(LG13031), Z(MSM0021620859), Z(MSM6840770039)
http://linked.open...iv/cisloPeriodika
  • 11
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
  • 104254
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21670/13:00214206
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • DYNAMICAL SUPERSYMMETRY BREAKING; SUPERGAUGE TRANSFORMATIONS; PARTICLES; MODEL; SIMULATION; EXTENSION; COLLIDERS; CURRENTS; SQUARK; WEAK (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [798900116D28]
http://linked.open...i/riv/nazevZdroje
  • Physical Review D
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
  • 88
http://linked.open...iv/tvurceVysledku
  • Abbott, B.
  • Abdallah, J.
  • Aad, G.
  • Gallus, Petr
  • Jakůbek, Jan
  • Král, Vlastimil
  • Kohout, Zdeněk
  • Pospíšil, Stanislav
  • Sopko, Bruno
  • Slavíček, Tomáš
  • Tureček, Daniel
  • Vacek, Václav
  • Vykydal, Zdeněk
  • Zeman, Martin
  • Štekl, Ivan
  • Smolek, Karel
  • Sopko, Vít
  • Šolc, Jaroslav
  • Augsten, Kamil
  • Sodomka, Jaromír
  • Solar, Michael
  • Vlasák, Michal
  • Vokáč, Petr
  • Šimák, Vladislav
  • Abajyan, T.
  • Khalek, S. Abdel
  • Günther, Jaroslav
http://linked.open...ain/vavai/riv/wos
  • 000328601900002
http://linked.open...n/vavai/riv/zamer
issn
  • 1550-7998
number of pages
http://bibframe.org/vocab/doi
  • 10.1103/PhysRevD.88.112003
http://localhost/t...ganizacniJednotka
  • 21670
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