PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Higgs and New Physics (Poster Session). Scientific Secretary: Luciano Canton.
Search for ttH production in high-pT regimes with the ATLAS detector
S. Biondi*  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: January 19, 2018
Published on: March 20, 2018
Abstract
The associated production of the Higgs boson with a pair of top/anti-top quarks (ttH) is the only process providing a direct access to the measurement of the Yukawa coupling between the Higgs boson and the top quark. The presented results exploit the data collected during 2015 and 2016 by the ATLAS experiment during LHC collisions at a center-of-mass energy of 13 TeV with an integrated luminosity of 13.2/fb. The improvement of the analysis includes the use of multivariate techniques in order to discriminate between signal and background events, dominated by the tt production. Moreover, due to the very high pT of the produced particles, the jets have been reconstructed with a specific designed algorithms ("boosted techniques") that take advantages of their peculiar substructure.
DOI: https://doi.org/10.22323/1.314.0684
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