Search for disappearing tracks in proton proton collisions at root s 8TeV
Yazarlar (1)
Doç. Dr. Mustafa Numan BAKIRCI Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Journal of High Energy Physics (Q4)
Dergi ISSN 1029-8479 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce Basım Tarihi 01-2015
Cilt / Sayı / Sayfa 2015 / 1 / – DOI 10.1007/JHEP01(2015)096
UAK Araştırma Alanları
Yüksek Enerji ve Parçacık Fiziği
Özet
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.
Anahtar Kelimeler
Exotics | Hadron-Hadron Scattering | Supersymmetry
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Scopus 68
Search for disappearing tracks in proton proton collisions at root s 8TeV

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