Search for triboson W±W±W∓ production in pp collisions at s√=8 TeV with the ATLAS detector

ATLAS; F. MONTICELLI

EUROPEAN PHYSICAL JOURNAL C - PARTICLES AND FIELDS

SPRINGER

Lugar: Berlin; Año: 2016

1434-6044

This paper reports a search for triboson W ± W ± W ∓ production in two decay channels(W ± W ± W ∓ → ` ± ν` ± ν` ∓ ν and W ± W ± W ∓ → ` ± ν` ± ν j j with ` = e, μ) in proton-proton colli-sion data corresponding to an integrated luminosity of 20.3 fb −1 at a centre-of-mass energyof 8 TeV with the ATLAS detector at the Large Hadron Collider. Events with exactly threecharged leptons, or two leptons with the same electric charge in association with two jets, areselected. The total number of events observed in data is consistent with the Standard Model(SM) predictions. The observed 95% confidence level upper limit on the SM W ± W ± W ∓ pro-duction cross section is found to be 730 fb with an expected limit of 560 fb in the absence ofSM W ± W ± W ∓ production. Limits are also set on WWWW anomalous quartic gauge coup-lings.