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High Energy Physics - Experiment

arXiv:1503.03243 (hep-ex)
[Submitted on 11 Mar 2015 (v1), last revised 25 Aug 2015 (this version, v2)]

Title:Evidence of $Wγγ$ production in $pp$ collisions at $\sqrt{s}=8$ TeV and limits on anomalous quartic gauge couplings with the ATLAS detector

Authors:ATLAS Collaboration
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Abstract:This Letter reports evidence of triple gauge boson production $pp\to W(\ell\nu)\gamma\gamma + X$, which is accessible for the first time with the 8 TeV LHC data set. The fiducial cross section for this process is measured in a data sample corresponding to an integrated luminosity of 20.3 fb$^{-1}$, collected by the ATLAS detector in 2012. Events are selected using the $W$ boson decay to $e\nu$ or $\mu\nu$ as well as requiring two isolated photons. The measured cross section is used to set limits on anomalous quartic gauge couplings in the high diphoton mass region.
Comments: 8 pages plus author list + cover pages (26 pages total), 1 figure, 4 tables, submitted to PRL, All figures including auxiliary figures are available at this https URL
Subjects: High Energy Physics - Experiment (hep-ex)
Report number: CERN-PH-EP-2015-009
Cite as: arXiv:1503.03243 [hep-ex]
  (or arXiv:1503.03243v2 [hep-ex] for this version)
  https://doi.org/10.48550/arXiv.1503.03243
Journal reference: Phys. Rev. Lett. 115, 031802 (2015)
Related DOI: https://doi.org/10.1103/PhysRevLett.115.031802

Submission history

From: Atlas Publications [view email]
[v1] Wed, 11 Mar 2015 09:42:59 UTC (430 KB)
[v2] Tue, 25 Aug 2015 14:53:09 UTC (431 KB)
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