Measurement of the inclusive ttbar cross section in the LHC
Javier Brochero (CMS, ATLAS Collaborations)
TL;DR
This paper reports on precise measurements of the top-quark pair production cross section at 7 and 8 TeV using CMS and ATLAS data, comparing results with advanced theoretical calculations.
Contribution
It provides the most precise experimental measurements of the inclusive ttbar cross section at LHC energies and combines results from two major experiments for improved accuracy.
Findings
Results are consistent with NNLO-NNLL theoretical predictions.
Dilepton channel analysis yields the smallest uncertainties.
Combined measurements enhance the precision of top-quark pair production data.
Abstract
This document presents recent results of inclusive top-quark pair production cross section measurements at 7 and 8 TeV. The results are obtained analyzing the data collected by the CMS and ATLAS detectors at the LHC accelerator. Studies are performed in the dilepton channel, where the smallest uncertainty is reached, with different approaches. The most precise results of both experiments are combined and confronted with the most precise theoretical calculation (NNLO-NNLL).
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · High-Energy Particle Collisions Research