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Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s=8 TeV with the ATLAS detector

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Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s=8 TeV with the ATLAS detector. / The ATLAS collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 75, No. 2, 79, 2015.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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The ATLAS collaboration. Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s=8 TeV with the ATLAS detector. European Physical Journal C: Particles and Fields. 2015;75(2):79. doi: 10.1140/epjc/s10052-014-3233-4

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The ATLAS collaboration. / Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s=8 TeV with the ATLAS detector. In: European Physical Journal C: Particles and Fields. 2015 ; Vol. 75, No. 2.

Bibtex

@article{31eb62f2f69a4a94b4c4c3fe35dbbe22,
title = "Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s=8 TeV with the ATLAS detector",
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 s√=8 TeV with the ATLAS experiment at the large hadron collider using data collected in 2012, corresponding to an integrated luminosity of 20.3 fb−1. In this search, the W 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-0 resonance with a mass of 500 GeV, an effective coupling strength above 0.15 is excluded at 95% confidence level for the top quark and an invisible spin-1/2 state with mass between 0 and 100 GeV. In the case of non-resonant production, an effective coupling strength above 0.2 is excluded at 95% confidence level for the top quark and an invisible spin-1 state with mass between 0 and 657 GeV.",
keywords = "Parton Distributions, Hadron Colliders, Pair Production, Cross-Section, LHC, Phenomenology, Resummation, Tevatron, Symmetry",
author = "Lee Allison and Adam Barton and Michael Beattie and Guennadi Borissov and Eva Bouhova-Thacker and Alexandre Chilingarov and William Dearnaley and Harald Fox and Kathryn Grimm and Robert Henderson and Gareth Hughes and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Robin Long and Peter Love and Harvey Maddocks and Maria Smizanska and James Walder and {The ATLAS collaboration}",
note = "{\textcopyright} CERN for the benefit of the ATLAS collaboration 2015. This article is published with open access at Springerlink.com ",
year = "2015",
doi = "10.1140/epjc/s10052-014-3233-4",
language = "English",
volume = "75",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "2",

}

RIS

TY - JOUR

T1 - Search for invisible particles produced in association with single-top-quarks in proton–proton collisions at √s=8 TeV with the ATLAS detector

AU - Allison, Lee

AU - Barton, Adam

AU - Beattie, Michael

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Eva

AU - Chilingarov, Alexandre

AU - Dearnaley, William

AU - Fox, Harald

AU - Grimm, Kathryn

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Maddocks, Harvey

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

N1 - © CERN for the benefit of the ATLAS collaboration 2015. This article is published with open access at Springerlink.com

PY - 2015

Y1 - 2015

N2 - 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 s√=8 TeV with the ATLAS experiment at the large hadron collider using data collected in 2012, corresponding to an integrated luminosity of 20.3 fb−1. In this search, the W 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-0 resonance with a mass of 500 GeV, an effective coupling strength above 0.15 is excluded at 95% confidence level for the top quark and an invisible spin-1/2 state with mass between 0 and 100 GeV. In the case of non-resonant production, an effective coupling strength above 0.2 is excluded at 95% confidence level for the top quark and an invisible spin-1 state with mass between 0 and 657 GeV.

AB - 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 s√=8 TeV with the ATLAS experiment at the large hadron collider using data collected in 2012, corresponding to an integrated luminosity of 20.3 fb−1. In this search, the W 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-0 resonance with a mass of 500 GeV, an effective coupling strength above 0.15 is excluded at 95% confidence level for the top quark and an invisible spin-1/2 state with mass between 0 and 100 GeV. In the case of non-resonant production, an effective coupling strength above 0.2 is excluded at 95% confidence level for the top quark and an invisible spin-1 state with mass between 0 and 657 GeV.

KW - Parton Distributions

KW - Hadron Colliders

KW - Pair Production

KW - Cross-Section

KW - LHC

KW - Phenomenology

KW - Resummation

KW - Tevatron

KW - Symmetry

U2 - 10.1140/epjc/s10052-014-3233-4

DO - 10.1140/epjc/s10052-014-3233-4

M3 - Journal article

VL - 75

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 2

M1 - 79

ER -