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  • PhysRevLett.109.081801

    Rights statement: Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2012 CERN, for the ATLAS Collaboration

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Search for tb Resonances in Proton-Proton Collisions at s√=7  TeV with the ATLAS Detector

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Search for tb Resonances in Proton-Proton Collisions at s√=7  TeV with the ATLAS Detector. / The ATLAS collaboration.
In: Physical review letters, Vol. 109, No. 8, 081801, 21.08.2012.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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The ATLAS collaboration. Search for tb Resonances in Proton-Proton Collisions at s√=7  TeV with the ATLAS Detector. Physical review letters. 2012 Aug 21;109(8):081801. doi: 10.1103/PhysRevLett.109.081801

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The ATLAS collaboration. / Search for tb Resonances in Proton-Proton Collisions at s√=7  TeV with the ATLAS Detector. In: Physical review letters. 2012 ; Vol. 109, No. 8.

Bibtex

@article{01e7719224914fe6a7c59c2874506d7f,
title = "Search for tb Resonances in Proton-Proton Collisions at s√=7  TeV with the ATLAS Detector",
abstract = "This Letter presents a search for tb resonances in 1.04  fb−1 of LHC proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 7 TeV. Events with a lepton, missing transverse momentum, and two jets are selected and the invariant mass of the corresponding final state is reconstructed. The search exploits the shape of the tb invariant mass distribution compared to the expected standard model backgrounds. The model of a right-handed W′R with standard model-like couplings is chosen as the benchmark model for this search. No statistically significant excess of events is observed in the data, and upper limits on the cross section times the branching ratio of W′R resonances at 95% C.L. lie in the range of 6.1–1.0 pb for W′R masses ranging from 0.5 to 2.0 TeV. These limits are translated into a lower bound on the allowed right-handed W′R mass, giving mW′R>1.13  TeV at 95% C.L.",
author = "Adam Barton and Guennadi Borissov and Eva Bouhova-Thacker and Timothy Brodbeck and Alexandre Chilingarov and Ruth Davidson and {de Mora}, Lee and Harald Fox and Robert Henderson and Gareth Hughes and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Robin Long and Peter Love and Peter Ratoff and Maria Smizanska and James Walder and {The ATLAS collaboration}",
note = "Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article{\textquoteright}s title, journal citation, and DOI. {\textcopyright} 2012 CERN, for the ATLAS Collaboration",
year = "2012",
month = aug,
day = "21",
doi = "10.1103/PhysRevLett.109.081801",
language = "English",
volume = "109",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "8",

}

RIS

TY - JOUR

T1 - Search for tb Resonances in Proton-Proton Collisions at s√=7  TeV with the ATLAS Detector

AU - Barton, Adam

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Eva

AU - Brodbeck, Timothy

AU - Chilingarov, Alexandre

AU - Davidson, Ruth

AU - de Mora, Lee

AU - Fox, Harald

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Ratoff, Peter

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

N1 - Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2012 CERN, for the ATLAS Collaboration

PY - 2012/8/21

Y1 - 2012/8/21

N2 - This Letter presents a search for tb resonances in 1.04  fb−1 of LHC proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 7 TeV. Events with a lepton, missing transverse momentum, and two jets are selected and the invariant mass of the corresponding final state is reconstructed. The search exploits the shape of the tb invariant mass distribution compared to the expected standard model backgrounds. The model of a right-handed W′R with standard model-like couplings is chosen as the benchmark model for this search. No statistically significant excess of events is observed in the data, and upper limits on the cross section times the branching ratio of W′R resonances at 95% C.L. lie in the range of 6.1–1.0 pb for W′R masses ranging from 0.5 to 2.0 TeV. These limits are translated into a lower bound on the allowed right-handed W′R mass, giving mW′R>1.13  TeV at 95% C.L.

AB - This Letter presents a search for tb resonances in 1.04  fb−1 of LHC proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 7 TeV. Events with a lepton, missing transverse momentum, and two jets are selected and the invariant mass of the corresponding final state is reconstructed. The search exploits the shape of the tb invariant mass distribution compared to the expected standard model backgrounds. The model of a right-handed W′R with standard model-like couplings is chosen as the benchmark model for this search. No statistically significant excess of events is observed in the data, and upper limits on the cross section times the branching ratio of W′R resonances at 95% C.L. lie in the range of 6.1–1.0 pb for W′R masses ranging from 0.5 to 2.0 TeV. These limits are translated into a lower bound on the allowed right-handed W′R mass, giving mW′R>1.13  TeV at 95% C.L.

U2 - 10.1103/PhysRevLett.109.081801

DO - 10.1103/PhysRevLett.109.081801

M3 - Journal article

VL - 109

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 8

M1 - 081801

ER -