About: Search for Stopped Gluinos from p-anti-p Collisions at s**(1/2) = 1.96-TeV     Goto   Sponge   NotDistinct   Permalink

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Description
  • Dlouho žijící těžké částice jsou předpovězeny řadou modelů za Standardním modelem. Prezentujeme první přímé hledání takovýchto rozpadů, které mohly nastat až po 100 hodinách od produkce těchto částic. Hledali jsme gluina předpovězená supersymetrickými modely. Není pozorován žádný signál a je nastaven limit na účinný průřez produkce gluina * pravděpodobnost zastavení gluina v detektoru * větvící funkce rozpadu gluina jako funkce hmot gluina a neutralita pro střední dobu života gluina mezi 30 mikrosekundami a ~100 hodinami. (cs)
  • Long-lived, heavy particles are predicted in a number of models beyond the standard model of particle physics. We present the first direct search for such particles' decays, occurring up to 100 hours after their production and not synchronized with an accelerator bunch crossing. We apply the analysis to the gluino (~g), predicted in split supersymmetry, which after hadronization can become charged and lose enough momentum through ionization to come to rest in dense particle detectors. No excess is observed above background, and limits are placed on the (gluino cross section) x (probability to stop) x BR(~g -> g ~X_0) as a function of the gluino and ~X_0 masses, for gluino lifetimes from 30 $\\mu$s -- 100 hours.
  • Long-lived, heavy particles are predicted in a number of models beyond the standard model of particle physics. We present the first direct search for such particles' decays, occurring up to 100 hours after their production and not synchronized with an accelerator bunch crossing. We apply the analysis to the gluino (~g), predicted in split supersymmetry, which after hadronization can become charged and lose enough momentum through ionization to come to rest in dense particle detectors. No excess is observed above background, and limits are placed on the (gluino cross section) x (probability to stop) x BR(~g -> g ~X_0) as a function of the gluino and ~X_0 masses, for gluino lifetimes from 30 $\\mu$s -- 100 hours. (en)
Title
  • Search for Stopped Gluinos from p-anti-p Collisions at s**(1/2) = 1.96-TeV
  • Hledání gluin zastavených uvnitř detektoru produkovaných v kolizích protonů s antiprotony při těžišťové energii 1.96 TeV (cs)
  • Search for Stopped Gluinos from p-anti-p Collisions at s**(1/2) = 1.96-TeV (en)
skos:prefLabel
  • Search for Stopped Gluinos from p-anti-p Collisions at s**(1/2) = 1.96-TeV
  • Hledání gluin zastavených uvnitř detektoru produkovaných v kolizích protonů s antiprotony při těžišťové energii 1.96 TeV (cs)
  • Search for Stopped Gluinos from p-anti-p Collisions at s**(1/2) = 1.96-TeV (en)
skos:notation
  • RIV/68407700:21340/07:04136556!RIV08-MSM-21340___
http://linked.open.../vavai/riv/strany
  • 131801;0
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1P04LA210), P(1P05LA257), P(GP202/05/P583), P(LC527), Z(AV0Z10100502), Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika
  • 13
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
  • 449106
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21340/07:04136556
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • gluino; neutralino; supersymmetry (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [8B777277BCAA]
http://linked.open...i/riv/nazevZdroje
  • Physical Review Letters
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
  • 99
http://linked.open...iv/tvurceVysledku
  • Abazov, V. M.
  • Šimák, Vladislav
  • Hubáček, Zdeněk
  • Otec, Roman
http://linked.open...n/vavai/riv/zamer
issn
  • 0031-9007
number of pages
http://localhost/t...ganizacniJednotka
  • 21340
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