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Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector. / The ATLAS collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 75, No. 2, 92, 24.02.2015.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

The ATLAS collaboration 2015, 'Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector', European Physical Journal C: Particles and Fields, vol. 75, no. 2, 92. https://doi.org/10.1140/epjc/s10052-015-3306-z

APA

The ATLAS collaboration (2015). Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector. European Physical Journal C: Particles and Fields, 75(2), Article 92. https://doi.org/10.1140/epjc/s10052-015-3306-z

Vancouver

The ATLAS collaboration. Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector. European Physical Journal C: Particles and Fields. 2015 Feb 24;75(2):92. doi: 10.1140/epjc/s10052-015-3306-z

Author

The ATLAS collaboration. / Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector. In: European Physical Journal C: Particles and Fields. 2015 ; Vol. 75, No. 2.

Bibtex

@article{c20ea403d79c4bf69a53af13103f56f7,
title = "Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detector",
abstract = "This article reports on a search for dark matter pair production in association with bottom or top quarks in 20.3 fb−1 of pp collisions collected at s√=8 TeV by the ATLAS detector at the LHC. Events with large missing transverse momentum are selected when produced in association with high-momentum jets of which one or more are identified as jets containing b-quarks. Final states with top quarks are selected by requiring a high jet multiplicity and in some cases a single lepton. The data are found to be consistent with the Standard Model expectations and limits are set on the mass scale of effective field theories that describe scalar and tensor interactions between dark matter and Standard Model particles. Limits on the dark-matter–nucleon cross-section for spin-independent and spin-dependent interactions are also provided. These limits are particularly strong for low-mass dark matter. Using a simplified model, constraints are set on the mass of dark matter and of a coloured mediator suitable to explain a possible signal of annihilating dark matter.",
keywords = "EFFECTIVE-FIELD THEORY, CONSTRAINTS, GENERATOR, LHC",
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",
month = feb,
day = "24",
doi = "10.1140/epjc/s10052-015-3306-z",
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 dark matter in events with heavy quarks and missing transverse momentum in pp collisions 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 - 2015/2/24

Y1 - 2015/2/24

N2 - This article reports on a search for dark matter pair production in association with bottom or top quarks in 20.3 fb−1 of pp collisions collected at s√=8 TeV by the ATLAS detector at the LHC. Events with large missing transverse momentum are selected when produced in association with high-momentum jets of which one or more are identified as jets containing b-quarks. Final states with top quarks are selected by requiring a high jet multiplicity and in some cases a single lepton. The data are found to be consistent with the Standard Model expectations and limits are set on the mass scale of effective field theories that describe scalar and tensor interactions between dark matter and Standard Model particles. Limits on the dark-matter–nucleon cross-section for spin-independent and spin-dependent interactions are also provided. These limits are particularly strong for low-mass dark matter. Using a simplified model, constraints are set on the mass of dark matter and of a coloured mediator suitable to explain a possible signal of annihilating dark matter.

AB - This article reports on a search for dark matter pair production in association with bottom or top quarks in 20.3 fb−1 of pp collisions collected at s√=8 TeV by the ATLAS detector at the LHC. Events with large missing transverse momentum are selected when produced in association with high-momentum jets of which one or more are identified as jets containing b-quarks. Final states with top quarks are selected by requiring a high jet multiplicity and in some cases a single lepton. The data are found to be consistent with the Standard Model expectations and limits are set on the mass scale of effective field theories that describe scalar and tensor interactions between dark matter and Standard Model particles. Limits on the dark-matter–nucleon cross-section for spin-independent and spin-dependent interactions are also provided. These limits are particularly strong for low-mass dark matter. Using a simplified model, constraints are set on the mass of dark matter and of a coloured mediator suitable to explain a possible signal of annihilating dark matter.

KW - EFFECTIVE-FIELD THEORY

KW - CONSTRAINTS

KW - GENERATOR

KW - LHC

U2 - 10.1140/epjc/s10052-015-3306-z

DO - 10.1140/epjc/s10052-015-3306-z

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 - 92

ER -