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Evidence for electroweak production of two jets in association with a Zγ pair in pp collisions at s=13 TeV with the ATLAS detector

Published version
Peer-reviewed

Type

Article

Change log

Authors

Aad, G 
Abbott, B 
Abbott, DC 
Abed Abud, A 
Abeling, K 

Abstract

Evidence for electroweak production of two jets in association with a Zγ pair in s=13 TeV protonproton collisions at the Large Hadron Collider is presented. The analysis uses data collected by the ATLAS detector in 2015 and 2016 that corresponds to an integrated luminosity of 36.1 fb−1. Events that contain a Z boson candidate decaying leptonically into either e+e or μ+μ, a photon, and two jets are selected. The electroweak component is measured with observed and expected significances of 4.1 standard deviations. The fiducial cross-section for electroweak production is measured to be σZγjjEW=7.8±2.0fb, in good agreement with the Standard Model prediction.

Description

Keywords

hep-ex, hep-ex

Journal Title

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Conference Name

Journal ISSN

0370-2693
1873-2445

Volume Title

803

Publisher

Elsevier BV
Sponsorship
Science and Technology Facilities Council (ST/N000234/1)