Search for heavy long-lived charged particles with the ATLAS detector in pp collisions at root s=7 TeV

G. Aad..[et al.], B. Abbott, J. Abdallah, Mogens Dam, Jørgen Beck Hansen, Jørn Dines Hansen, John Renner Hansen, Peter Henrik Hansen, Esben Bryndt Klinkby, Morten Dam Jørgensen, Troels Christian Petersen, Stefania Xella, Thomas Høvring Kittelmann, Nele Maria Philomena Boelaert

54 Citations (Scopus)

Abstract

A search for long-lived charged particles reaching the muon spectrometer is performed using a data sample of 37 pb-1 from pp collisions at √s=7 TeV collected by the ATLAS detector at the LHC in 2010. No excess is observed above the estimated background. Stable τ̃ sleptons are excluded at 95% CL up to a mass of 136 GeV, in GMSB models with N5=3, mmessenger=250 TeV, sign(μ)=1 and tanβ=5. Electroweak production of sleptons is excluded up to a mass of 110 GeV. Gluino R-hadrons in a generic interaction model are excluded up to masses of 530 GeV to 544 GeV depending on the fraction of R-hadrons produced as g̃-balls.

Original languageEnglish
JournalPhysics Letters B
Volume703
Issue number4
Pages (from-to)428-446
ISSN0370-2693
DOIs
Publication statusPublished - 20 Sept 2011

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