Loading...
Top-quark mass measurement in the all-hadronic tt¯ decay channel at s√=8 TeV with the ATLAS detector
ATLAS Collaboration
ATLAS Collaboration
Citations
Altmetric:
Abstract
The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton-proton collisions at a centre-of-mass energy of s√=8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The data set used in the analysis corresponds to an integrated luminosity of 20.2 fb−1. The large multi-jet background is modelled using a data-driven method. The top-quark mass is obtained from template fits to the ratio of the three-jet to the dijet mass. The three-jet mass is obtained from the three jets assigned to the top quark decay. From these three jets the dijet mass is obtained using the two jets assigned to the W boson decay. The top-quark mass is measured to be 173.72 ± 0.55 (stat.) ± 1.01 (syst.) GeV.
Description
Date
2017-09-25
Journal Title
Journal ISSN
Volume Title
Publisher
Springer Verlag
Collections
Research Projects
Organizational Units
Journal Issue
Keywords
Hadron-Hadron scattering (experiments), Top physics
Citation
The ATLAS collaboration, Aaboud, M., Aad, G. et al. J. High Energ. Phys. (2017) 2017: 118. https://doi.org/10.1007/JHEP09(2017)118