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Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector

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Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector. / Aad, Georges; Acharya, Bobby.

In: JHEP, Vol. 2011, No. 10, 107, 10.2011, p. N/A.

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Harvard

Aad, G & Acharya, B 2011, 'Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector', JHEP, vol. 2011, no. 10, 107, pp. N/A. https://doi.org/10.1007/JHEP10(2011)107

APA

Aad, G., & Acharya, B. (2011). Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector. JHEP, 2011(10), N/A. [107]. https://doi.org/10.1007/JHEP10(2011)107

Vancouver

Aad G, Acharya B. Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector. JHEP. 2011 Oct;2011(10):N/A. 107. https://doi.org/10.1007/JHEP10(2011)107

Author

Aad, Georges ; Acharya, Bobby. / Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector. In: JHEP. 2011 ; Vol. 2011, No. 10. pp. N/A.

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@article{75f6ccdcf463487c9c7bb5c83fe86ac2,
title = "Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector",
abstract = "An inclusive search is presented for new physics in events with two isolated leptons (e or μ) having the same electric charge. The data are selected from events collected from pp collisions at s√=7 TeV by the ATLAS detector and correspond to an integrated luminosity of 34 pb−1. The spectra in dilepton invariant mass, missing transverse momentum and jet multiplicity are presented and compared to Standard Model predictions. In this event sample, no evidence is found for contributions beyond those of the Standard Model. Limits are set on the cross-section in a fiducial region for new sources of same-sign high-mass dilepton events in the ee, eμ and μμ channels. Four models predicting same-sign dilepton signals are constrained: two descriptions of Majorana neutrinos, a cascade topology similar to supersymmetry or universal extra dimensions, and fourth generation d-type quarks. Assuming a new physics scale of 1 TeV, Majorana neutrinos produced by an effective operator V with masses below 460 GeV are excluded at 95{\%} confidence level. A lower limit of 290 GeV is set at 95{\%} confidence level on the mass of fourth generation d-type quarks.",
author = "Georges Aad and Bobby Acharya",
year = "2011",
month = "10",
doi = "10.1007/JHEP10(2011)107",
language = "English",
volume = "2011",
pages = "N/A",
journal = "Journal of High Energy Physics",
issn = "1126-6708",
number = "10",

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RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Inclusive search for same-sign dilepton signatures in pp collisions at √s=7 TeV with the ATLAS detector

AU - Aad, Georges

AU - Acharya, Bobby

PY - 2011/10

Y1 - 2011/10

N2 - An inclusive search is presented for new physics in events with two isolated leptons (e or μ) having the same electric charge. The data are selected from events collected from pp collisions at s√=7 TeV by the ATLAS detector and correspond to an integrated luminosity of 34 pb−1. The spectra in dilepton invariant mass, missing transverse momentum and jet multiplicity are presented and compared to Standard Model predictions. In this event sample, no evidence is found for contributions beyond those of the Standard Model. Limits are set on the cross-section in a fiducial region for new sources of same-sign high-mass dilepton events in the ee, eμ and μμ channels. Four models predicting same-sign dilepton signals are constrained: two descriptions of Majorana neutrinos, a cascade topology similar to supersymmetry or universal extra dimensions, and fourth generation d-type quarks. Assuming a new physics scale of 1 TeV, Majorana neutrinos produced by an effective operator V with masses below 460 GeV are excluded at 95% confidence level. A lower limit of 290 GeV is set at 95% confidence level on the mass of fourth generation d-type quarks.

AB - An inclusive search is presented for new physics in events with two isolated leptons (e or μ) having the same electric charge. The data are selected from events collected from pp collisions at s√=7 TeV by the ATLAS detector and correspond to an integrated luminosity of 34 pb−1. The spectra in dilepton invariant mass, missing transverse momentum and jet multiplicity are presented and compared to Standard Model predictions. In this event sample, no evidence is found for contributions beyond those of the Standard Model. Limits are set on the cross-section in a fiducial region for new sources of same-sign high-mass dilepton events in the ee, eμ and μμ channels. Four models predicting same-sign dilepton signals are constrained: two descriptions of Majorana neutrinos, a cascade topology similar to supersymmetry or universal extra dimensions, and fourth generation d-type quarks. Assuming a new physics scale of 1 TeV, Majorana neutrinos produced by an effective operator V with masses below 460 GeV are excluded at 95% confidence level. A lower limit of 290 GeV is set at 95% confidence level on the mass of fourth generation d-type quarks.

U2 - 10.1007/JHEP10(2011)107

DO - 10.1007/JHEP10(2011)107

M3 - Article

VL - 2011

SP - N/A

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1126-6708

IS - 10

M1 - 107

ER -

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