Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/4973
Title: Search for anomalous production of prompt like-sign lepton pairs at root s=7 TeV with the ATLAS detector
Authors: Aad, G.
Abajyan, T.
Abbott, B.
Abdallah, J.
Khalek, S. Abdel
Abdelalim, A. A.
The ATLAS Collaboration
Sultansoy, Saleh
Keywords: Hadron-Hadron Scattering
Issue Date: 2012
Publisher: Springer
Abstract: An inclusive search for anomalous production of two prompt, isolated leptons with the same electric charge is presented. The search is performed in a data sample corresponding to 4.7 fb(-1) of integrated luminosity collected in 2011 at root s = 7TeV with the ATLAS detector at the LHC. Pairs of leptons (e(+/-)e(+/-), e(+/-)mu(+/-), and mu(+/-)mu(+/-)) with large transverse momentum are selected, and the dilepton invariant mass distribution is examined for any deviation from the Standard Model expectation. No excess is found, and upper limits on the production cross section of like-sign lepton pairs from physics processes beyond the Standard Model are placed as a function of the dilepton invariant mass within a fiducial region close to the experimental selection criteria. The 95% confidence level upper limits on the cross section of anomalous e(+/-)e(+/-), e(+/-)mu(+/-), or mu(+/-)mu(+/-) production range between 1.7 fb and 64 fb depending on the dilepton mass and flavour combination.
URI: https://doi.org/10.1007/JHEP12(2012)007
https://hdl.handle.net/20.500.11851/4973
ISSN: 1029-8479
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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