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

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.
Type de document :
Article dans une revue
Physical Review Letters, American Physical Society, 2015, 115 (3), pp.031802. 〈10.1103/PhysRevLett.115.031802〉

http://hal.in2p3.fr/in2p3-01130586
Contributeur : Emmanuelle Vernay <>
Soumis le : jeudi 12 mars 2015 - 08:50:39
Dernière modification le : mardi 24 juillet 2018 - 15:46:14

### Citation

G. Aad, S. Albrand, J. Brown, J. Collot, S. Crépé-Renaudin, et al.. Evidence of $W\gamma\gamma$ production in $pp$ collisions at $\sqrt{s}=8$ TeV and limits on anomalous quartic gauge couplings with the ATLAS detector. Physical Review Letters, American Physical Society, 2015, 115 (3), pp.031802. 〈10.1103/PhysRevLett.115.031802〉. 〈in2p3-01130586〉

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