Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10573
Title: Search for disappearing tracks in proton-proton collisions at root s=8 TeV
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Hadron-Hadron Scattering
Supersymmetry
Exotics
Publisher: Springer Verlag
Abstract: A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated calorimeter energy deposits and with missing hits in the outer layers of the tracker. The search uses proton-proton collision data recorded at root s = 8 TeV that corresponds to an integrated luminosity of 19.5 fb(-1). The results of the search are interpreted in the context of the anomaly-mediated supersymmetry breaking (AMSB) model. The number of observed events is in agreement with the background expectation, and limits are set on the cross section of direct electroweak chargino production in terms of the chargino mass and mean proper lifetime. At 95% confidence level, AMSB models with a chargino mass less than 260 GeV, corresponding to a mean proper lifetime of 0.2 ns, are excluded.
URI: https://doi.org/10.1007/JHEP01(2015)096
https://hdl.handle.net/10573
ISSN: 1029-8479
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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