Search for diphoton events with large missing transverse energy with 36 pb(-1) of 7 TeV proton-proton collision data with the ATLAS detector

G. Aad...[et al.]; B. Abbott; J. Abdallah; Mogens Dam; Jørgen Beck Hansen; Jørn Dines Hansen; John Renner Hansen; Peter Henrik Hansen; Esben Bryndt Klinkby; Morten Dam Jørgensen; Troels Christian Petersen; Stefania Xella; Nele Maria Philomena Boelaert; Thomas Høvring Kittelmann

doi:10.1140/epjc/s10052-011-1744-9

Search for diphoton events with large missing transverse energy with 36 pb(-1) of 7 TeV proton-proton collision data with the ATLAS detector

G. Aad...[et al.], B. Abbott, J. Abdallah, Mogens Dam, Jørgen Beck Hansen, Jørn Dines Hansen, John Renner Hansen, Peter Henrik Hansen, Esben Bryndt Klinkby, Morten Dam Jørgensen, Troels Christian Petersen, Stefania Xella, Nele Maria Philomena Boelaert, Thomas Høvring Kittelmann

16 Citations (Scopus)

Abstract

Making use of 36 pb^-1 of proton-proton collision data at √s = 7 TeV, the ATLAS Collaboration has performed a search for diphoton events with large missing transverse energy. Observing no excess of events above the Standard Model prediction, a 95% Confidence Level (CL) upper limit is set on the cross section for new physics of σ < 0.38-0.65 pb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, and of σ < 0.18-0.23 pb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 560 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass, while a lower limit of 1/R > 961 GeV is set on the UED compactification radius R. These limits provide the most stringent tests of these models to date.

Original language	English
Journal	European Physical Journal C
Volume	71
Issue number	10
Pages (from-to)	1744
ISSN	1434-6044
DOIs	https://doi.org/10.1140/epjc/s10052-011-1744-9
Publication status	Published - 1 Oct 2011

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Aad...[et al.], G., Abbott, B., Abdallah, J., Dam, M., Hansen, J. B., Hansen, J. D., Hansen, J. R., Hansen, P. H., Klinkby, E. B., Jørgensen, M. D., Petersen, T. C., Xella, S., Boelaert, N. M. P., & Kittelmann, T. H. (2011). Search for diphoton events with large missing transverse energy with 36 pb(-1) of 7 TeV proton-proton collision data with the ATLAS detector. European Physical Journal C, 71(10), 1744. https://doi.org/10.1140/epjc/s10052-011-1744-9

Aad...[et al.], G, Abbott, B, Abdallah, J, Dam, M , Hansen, JB , Hansen, JD , Hansen, JR , Hansen, PH, Klinkby, EB, Jørgensen, MD, Petersen, TC , Xella, S, Boelaert, NMP & Kittelmann, TH 2011, 'Search for diphoton events with large missing transverse energy with 36 pb(-1) of 7 TeV proton-proton collision data with the ATLAS detector', European Physical Journal C, vol. 71, no. 10, pp. 1744. https://doi.org/10.1140/epjc/s10052-011-1744-9

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title = "Search for diphoton events with large missing transverse energy with 36 pb(-1) of 7 TeV proton-proton collision data with the ATLAS detector",

abstract = "Making use of 36 pb-1 of proton-proton collision data at √s = 7 TeV, the ATLAS Collaboration has performed a search for diphoton events with large missing transverse energy. Observing no excess of events above the Standard Model prediction, a 95% Confidence Level (CL) upper limit is set on the cross section for new physics of σ < 0.38-0.65 pb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, and of σ < 0.18-0.23 pb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 560 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass, while a lower limit of 1/R > 961 GeV is set on the UED compactification radius R. These limits provide the most stringent tests of these models to date.",

author = "{Aad...[et al.]}, G. and B. Abbott and J. Abdallah and Mogens Dam and Hansen, {J{\o}rgen Beck} and Hansen, {J{\o}rn Dines} and Hansen, {John Renner} and Hansen, {Peter Henrik} and Klinkby, {Esben Bryndt} and J{\o}rgensen, {Morten Dam} and Petersen, {Troels Christian} and Stefania Xella and Boelaert, {Nele Maria Philomena} and Kittelmann, {Thomas H{\o}vring}",

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AU - Aad...[et al.], G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, John Renner

AU - Hansen, Peter Henrik

AU - Klinkby, Esben Bryndt

AU - Jørgensen, Morten Dam

AU - Petersen, Troels Christian

AU - Xella, Stefania

AU - Boelaert, Nele Maria Philomena

AU - Kittelmann, Thomas Høvring

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N2 - Making use of 36 pb-1 of proton-proton collision data at √s = 7 TeV, the ATLAS Collaboration has performed a search for diphoton events with large missing transverse energy. Observing no excess of events above the Standard Model prediction, a 95% Confidence Level (CL) upper limit is set on the cross section for new physics of σ < 0.38-0.65 pb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, and of σ < 0.18-0.23 pb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 560 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass, while a lower limit of 1/R > 961 GeV is set on the UED compactification radius R. These limits provide the most stringent tests of these models to date.

AB - Making use of 36 pb-1 of proton-proton collision data at √s = 7 TeV, the ATLAS Collaboration has performed a search for diphoton events with large missing transverse energy. Observing no excess of events above the Standard Model prediction, a 95% Confidence Level (CL) upper limit is set on the cross section for new physics of σ < 0.38-0.65 pb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, and of σ < 0.18-0.23 pb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 560 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass, while a lower limit of 1/R > 961 GeV is set on the UED compactification radius R. These limits provide the most stringent tests of these models to date.

U2 - 10.1140/epjc/s10052-011-1744-9

DO - 10.1140/epjc/s10052-011-1744-9

M3 - Journal article

SN - 1434-6044

VL - 71

SP - 1744

JO - The European Physical Journal C: Particles and Fields

JF - The European Physical Journal C: Particles and Fields

IS - 10

ER -

Search for diphoton events with large missing transverse energy with 36 pb(-1) of 7 TeV proton-proton collision data with the ATLAS detector

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