Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3667
Title: Measurements of tt¯ differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at ?s =13 TeV using the ATLAS detector
Authors: The ATLAS Collaboration
Sultansoy, Saleh
Keywords: Collisions 
jets 
proton–proton collisions
Issue Date: Jan-2018
Publisher: American Physical Society
Source: ATLAS collaboration. (2018). Measurements of t t¯ differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in p p collisions at s= 13 TeV using the ATLAS detector. Physical Review D, 98(1), 012003.
Abstract: Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb-1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large-radius jets in the final state, one with transverse momentum pT>500 GeV and a second with pT>350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated ?2 values. The cross-section for tt. production in the fiducial phase-space region is 292±7(stat)±71(syst) fb, to be compared to the theoretical prediction of 384±36 fb. © 2018 CERN.
URI: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.98.012003
https://hdl.handle.net/20.500.11851/3667
ISSN: 24700010
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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