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Search for resonant diboson production in the ℓℓqq ¯ final state in pp collisions at s √ =8 TeV with the ATLAS detector

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Article number69
<mark>Journal publication date</mark>10/02/2015
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number2
Volume75
Number of pages20
Publication StatusPublished
<mark>Original language</mark>English

Abstract

This paper reports on a search for narrow resonances in diboson production in the llq (q) over bar final state using pp collision data corresponding to an integrated luminosity of 20 fb(-1) collected at root s = 8 TeV with the ATLAS detector at the Large Hadron Collider. No significant excess of data events over the Standard Model expectation is observed. Upper limits at the 95 % confidence level are set on the production cross section times branching ratio for Kaluza-Klein gravitons predicted by the Randall-Sundrum model and for Extended Gauge Model W' bosons. These results lead to the exclusion of mass values below 740 and 1590 GeV for the graviton and W' boson respectively.

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© CERN for the benefit of the ATLAS collaboration 2015. This article is published with open access at Springerlink.com EPJC is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0