Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102237
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Type: Journal article
Title: Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s = 8 TeV with the ATLAS detector
Other Titles: Search for invisible particles produced in association with single-top-quarks in proton-proton collisions at root s = 8 TeV with the ATLAS detector
Author: ATLAS
Aad, G.
Abbott, B.
Abdallah, J.
Abdel Khalek, S.
Abdinov, O.
Aben, R.
Abi, B.
Abolins, M.
AbouZeid, O.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
et al.
Citation: European Physical Journal C, 2015; 75(2):79-1-79-24
Publisher: Springer
Issue Date: 2015
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
ATLAS Collaboration
Abstract: A search for the production of single-top-quarks in association with missing energy is performed in proton-proton collisions at a centre-of-mass energy of [Formula: see text] with the ATLAS experiment at the large hadron collider using data collected in 2012, corresponding to an integrated luminosity of [Formula: see text] fb[Formula: see text]. In this search, the [Formula: see text] boson from the top quark is required to decay into an electron or a muon and a neutrino. No deviation from the standard model prediction is observed, and upper limits are set on the production cross-section for resonant and non-resonant production of an invisible exotic state in association with a right-handed top quark. In the case of resonant production, for a spin-[Formula: see text] resonance with a mass of [Formula: see text] GeV, an effective coupling strength above [Formula: see text] is excluded at 95[Formula: see text] confidence level for the top quark and an invisible spin-[Formula: see text] state with mass between [Formula: see text] and [Formula: see text] GeV. In the case of non-resonant production, an effective coupling strength above [Formula: see text] is excluded at 95[Formula: see text] confidence level for the top quark and an invisible spin-[Formula: see text] state with mass between [Formula: see text] and [Formula: see text] GeV.
Keywords: ATLAS Collaboration
Description: P. Jackson, P. Lee, N. Soni and M. J. White are part of the ATLAS Collaboration
Rights: © CERN for the benefit of the ATLAS collaboration 2015. This article is published with open access at Springerlink.com
RMID: 0030024622
DOI: 10.1140/epjc/s10052-014-3233-4
Appears in Collections:Physics publications

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