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Measurement of top quark pair differential cross sections in the dilepton channel in pp collisions at s =7 and 8 TeV

Aaboud, M.
•
Aad, G.
•
Abbott, B.
altro
GIORDANI, Mario
2016
  • journal article

Periodico
PHYSICAL REVIEW D
Abstract
Measurements of normalized differential cross sections of top quark pair (tt production are presented as a function of the mass, the transverse momentum and the rapidity of the tt system in proton-proton collisions at center-of-mass energies of s=7 and 8 TeV. The data set corresponds to an integrated luminosity of 4.6 fb-1 at 7 TeV and 20.2 fb-1 at 8 TeV, recorded with the ATLAS detector at the Large Hadron Collider. Events with top quark pair signatures are selected in the dilepton final state, requiring exactly two charged leptons and at least two jets with at least one of the jets identified as likely to contain a b hadron. The measured distributions are corrected for detector effects and selection efficiency to cross sections at the parton level. The differential cross sections are compared with different Monte Carlo generators and theoretical calculations of tt production. The results are consistent with the majority of predictions in a wide kinematic range.
DOI
10.1103/PhysRevD.94.092003
WOS
WOS:000412634500001
Archivio
http://hdl.handle.net/11390/1109706
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84995639249
Diritti
metadata only access
Web of Science© citazioni
42
Data di acquisizione
Mar 25, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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