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Measurement of the differential cross-section of highly boosted top quarks as a function of their transverse momentum ins=8 TeVproton-proton collisions using the ATLAS detector

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
GIORDANI, Mario
2016
  • journal article

Periodico
PHYSICAL REVIEW D
Abstract
The differential cross-section for pair production of top quarks with high transverse momentum is measured in 20.3 fb-1 of proton-proton collisions at a center-of-mass energy of 8 TeV. The measurement is performed for tt ̄ events in the lepton+jets channel. The cross-section is reported as a function of the hadronically decaying top quark transverse momentum for values above 300 GeV. The hadronically decaying top quark is reconstructed as an anti-kt jet with radius parameter R=1.0 and identified with jet substructure techniques. The observed yield is corrected for detector effects to obtain a cross-section at particle level in a fiducial region close to the event selection. A parton-level cross-section extrapolated to the full phase space is also reported for top quarks with transverse momentum above 300 GeV. The predictions of a majority of next-to-leading-order and leading-order matrix-element Monte Carlo generators are found to agree with the measured cross-sections
DOI
10.1103/PhysRevD.93.032009
WOS
WOS:000385749200001
Archivio
http://hdl.handle.net/11390/1109770
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84960481505
Diritti
metadata only access
Scopus© citazioni
63
Data di acquisizione
Jun 2, 2022
Vedi dettagli
Web of Science© citazioni
48
Data di acquisizione
Mar 25, 2024
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