Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3597
 Title: Measurement of colour flow using jet-pull observables in tt¯ events with the ATLAS experiment at ?s=13TeV Authors: The ATLAS CollaborationSultansoy, Saleh Keywords: Collisionsjetsproton–proton collisions Issue Date: Oct-2018 Publisher: Springer New York LLC Source: ATLAS collaboration. (2018). Measurement of colour flow using jet-pull observables in $$t\bar {t}$$ events with the ATLAS experiment at $$\sqrt {s}= 13\,\hbox {TeV}$$ s= 13TeV. The European Physical Journal C, 78(10), 847. Abstract: Previous studies have shown that weighted angular moments derived from jet constituents encode the colour connections between partons that seed the jets. This paper presents measurements of two such distributions, the jet-pull angle and jet-pull magnitude, both of which are derived from the jet-pull angular moment. The measurement is performed in tt¯ events with one leptonically decaying W boson and one hadronically decaying W boson, using 36.1fb-1 of pp collision data recorded by the ATLAS detector at s=13TeV delivered by the Large Hadron Collider. The observables are measured for two dijet systems, corresponding to the colour-connected daughters of the W boson and the two b-jets from the top-quark decays, which are not expected to be colour connected. To allow the comparison of the measured distributions to colour model predictions, the measured distributions are unfolded to particle level, after correcting for experimental effects introduced by the detector. While good agreement can be found for some combinations of predictions and observables, none of the predictions describes the data well across all observables. © 2018, CERN for the benefit of the ATLAS collaboration. URI: https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-018-6290-2https://hdl.handle.net/20.500.11851/3597 ISSN: 14346044 Appears in Collections: Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology EngineeringPubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications CollectionScopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications CollectionWoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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