TY - JOUR
T1 - Evidence for the production of three massive vector bosons with the ATLAS detector
AU - Aad, G.
AU - Abbott, B.
AU - Abbott, DC
AU - Abdinov, O.
AU - Abud, AA
AU - Abeling, K.
AU - Abhayasinghe, DK
AU - Abidi, S.H.
AU - AbouZeid, Ossama Sherif Alexander
AU - Abraham, NL
AU - Bajic, Milena
AU - Besjes, Geert-Jan
AU - Camplani, Alessandra
AU - de Almeida Dias, Flavia
AU - Dam, Mogens
AU - hqz214, hqz214
AU - Galster, Gorm Aske Gram Krohn
AU - Ignazzi, Rosanna
AU - Alonso Diaz, Alejandro
AU - Hansen, Peter Henrik
AU - Hansen, Jørgen Beck
AU - Hansen, Jørn Dines
AU - Monk, James William
AU - Petersen, Troels Christian
AU - Stark, Simon Holm
AU - Wiglesworth, Graig
AU - Xella, Stefania
AU - ATLAS
PY - 2019/11/10
Y1 - 2019/11/10
N2 - A search for the production of three massive vector bosons in proton–proton collisions is performed using data at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in the years 2015–2017, corresponding to an integrated luminosity of 79.8 fb−1. Events with two same-sign leptons ℓ (electrons or muons) and at least two reconstructed jets are selected to search for WWW→ℓνℓνqq. Events with three leptons without any same-flavour opposite-sign lepton pairs are used to search for WWW→ℓνℓνℓν, while events with three leptons and at least one same-flavour opposite-sign lepton pair and one or more reconstructed jets are used to search for WWZ→ℓνqqℓℓ. Finally, events with four leptons are analysed to search for WWZ→ℓνℓνℓℓ and WZZ→qqℓℓℓℓ. Evidence for the joint production of three massive vector bosons is observed with a significance of 4.1 standard deviations, where the expectation is 3.1 standard deviations.
AB - A search for the production of three massive vector bosons in proton–proton collisions is performed using data at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in the years 2015–2017, corresponding to an integrated luminosity of 79.8 fb−1. Events with two same-sign leptons ℓ (electrons or muons) and at least two reconstructed jets are selected to search for WWW→ℓνℓνqq. Events with three leptons without any same-flavour opposite-sign lepton pairs are used to search for WWW→ℓνℓνℓν, while events with three leptons and at least one same-flavour opposite-sign lepton pair and one or more reconstructed jets are used to search for WWZ→ℓνqqℓℓ. Finally, events with four leptons are analysed to search for WWZ→ℓνℓνℓℓ and WZZ→qqℓℓℓℓ. Evidence for the joint production of three massive vector bosons is observed with a significance of 4.1 standard deviations, where the expectation is 3.1 standard deviations.
U2 - 10.1016/j.physletb.2019.134913
DO - 10.1016/j.physletb.2019.134913
M3 - Journal article
SN - 0370-2693
VL - 798
JO - Physics Letters B
JF - Physics Letters B
M1 - 134919
ER -