Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in vs = 7 TeV proton-proton collisions with the ATLAS experiment

G. Aad...[et al.]; Mogens Dam; John Renner Hansen; Jørgen Beck Hansen; Jørn Dines Hansen; Peter Henrik Hansen; Morten Dam Jørgensen; Esben Bryndt Klinkby; Troels Christian Petersen; Stefania Xella; Nele Maria Philomena Boelaert; Thomas Høvring Kittelmann; Björn Stefan Nilsson; Simon Johann Franz Heisterkamp; Sascha Mehlhase; Ask Emil Løvschall-Jensen

doi:10.1140/epjc/s10052-011-1682-6

Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in vs = 7 TeV proton-proton collisions with the ATLAS experiment

G. Aad...[et al.], Mogens Dam, John Renner Hansen, Jørgen Beck Hansen, Jørn Dines Hansen, Peter Henrik Hansen, Morten Dam Jørgensen, Esben Bryndt Klinkby, Troels Christian Petersen, Stefania Xella, Nele Maria Philomena Boelaert, Thomas Høvring Kittelmann, Björn Stefan Nilsson, Simon Johann Franz Heisterkamp, Sascha Mehlhase, Ask Emil Løvschall-Jensen

25 Citations (Scopus)

Abstract

Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in √s = 7 TeV proton-proton collisions at the Large Hadron Collider. Search strategies requiring lepton pairs with identical-sign or opposite-sign electric charges are described. In a data sample corresponding to an integrated luminosity of 35 pb^-1 collected with the ATLAS detector, no significant excesses are observed. Based on specific benchmark models, limits are placed on the squark mass between 450 and 690 GeV for squarks approximately degenerate in mass with gluinos, depending on the supersymmetric mass hierarchy considered.

Original language	English
Journal	The European Physical Journal C: Particles and Fields
Volume	71
Issue number	7
Pages (from-to)	1682
Number of pages	19
ISSN	1434-6044
DOIs	https://doi.org/10.1140/epjc/s10052-011-1682-6
Publication status	Published - 1 Jul 2011

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Aad...[et al.], G., Dam, M., Hansen, J. R., Hansen, J. B., Hansen, J. D., Hansen, P. H., Jørgensen, M. D., Klinkby, E. B., Petersen, T. C., Xella, S., Boelaert, N. M. P., Kittelmann, T. H., Nilsson, B. S., Heisterkamp, S. J. F., Mehlhase, S., & Løvschall-Jensen, A. E. (2011). Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in vs = 7 TeV proton-proton collisions with the ATLAS experiment. The European Physical Journal C: Particles and Fields, 71(7), 1682. https://doi.org/10.1140/epjc/s10052-011-1682-6

Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in vs = 7 TeV proton-proton collisions with the ATLAS experiment. / Aad...[et al.], G.; Dam, Mogens ; Hansen, John Renner et al.

In: The European Physical Journal C: Particles and Fields, Vol. 71, No. 7, 01.07.2011, p. 1682.

Research output: Contribution to journal › Journal article › Research › peer-review

Aad...[et al.], G, Dam, M , Hansen, JR , Hansen, JB , Hansen, JD , Hansen, PH, Jørgensen, MD, Klinkby, EB, Petersen, TC , Xella, S, Boelaert, NMP, Kittelmann, TH, Nilsson, BS, Heisterkamp, SJF, Mehlhase, S & Løvschall-Jensen, AE 2011, 'Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in vs = 7 TeV proton-proton collisions with the ATLAS experiment', The European Physical Journal C: Particles and Fields, vol. 71, no. 7, pp. 1682. https://doi.org/10.1140/epjc/s10052-011-1682-6

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abstract = "Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in √s = 7 TeV proton-proton collisions at the Large Hadron Collider. Search strategies requiring lepton pairs with identical-sign or opposite-sign electric charges are described. In a data sample corresponding to an integrated luminosity of 35 pb-1 collected with the ATLAS detector, no significant excesses are observed. Based on specific benchmark models, limits are placed on the squark mass between 450 and 690 GeV for squarks approximately degenerate in mass with gluinos, depending on the supersymmetric mass hierarchy considered.",

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AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, Peter Henrik

AU - Jørgensen, Morten Dam

AU - Klinkby, Esben Bryndt

AU - Petersen, Troels Christian

AU - Xella, Stefania

AU - Boelaert, Nele Maria Philomena

AU - Kittelmann, Thomas Høvring

AU - Nilsson, Björn Stefan

AU - Heisterkamp, Simon Johann Franz

AU - Mehlhase, Sascha

AU - Løvschall-Jensen, Ask Emil

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N2 - Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in √s = 7 TeV proton-proton collisions at the Large Hadron Collider. Search strategies requiring lepton pairs with identical-sign or opposite-sign electric charges are described. In a data sample corresponding to an integrated luminosity of 35 pb-1 collected with the ATLAS detector, no significant excesses are observed. Based on specific benchmark models, limits are placed on the squark mass between 450 and 690 GeV for squarks approximately degenerate in mass with gluinos, depending on the supersymmetric mass hierarchy considered.

AB - Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in √s = 7 TeV proton-proton collisions at the Large Hadron Collider. Search strategies requiring lepton pairs with identical-sign or opposite-sign electric charges are described. In a data sample corresponding to an integrated luminosity of 35 pb-1 collected with the ATLAS detector, no significant excesses are observed. Based on specific benchmark models, limits are placed on the squark mass between 450 and 690 GeV for squarks approximately degenerate in mass with gluinos, depending on the supersymmetric mass hierarchy considered.

U2 - 10.1140/epjc/s10052-011-1682-6

DO - 10.1140/epjc/s10052-011-1682-6

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JO - The European Physical Journal C: Particles and Fields

JF - The European Physical Journal C: Particles and Fields

IS - 7

ER -

Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in vs = 7 TeV proton-proton collisions with the ATLAS experiment

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