The PDF4LHC report on PDFs and LHC data: Results from Run I and preparation for Run II

J Rojo, A Accardi, RD Ball… - Journal of Physics G …, 2015 - iopscience.iop.org
The accurate determination of the parton distribution functions (PDFs) of the proton is an
essential ingredient of the Large Hadron Collider (LHC) program. PDF uncertainties impact …

The renormalization scale-setting problem in QCD

XG Wu, SJ Brodsky, M Mojaza - Progress in Particle and Nuclear Physics, 2013 - Elsevier
A key problem in making precise perturbative QCD predictions is to set the proper
renormalization scale of the running coupling. The conventional scale-setting procedure …

New parton distribution functions from a global analysis of quantum chromodynamics

S Dulat, TJ Hou, J Gao, M Guzzi, J Huston, P Nadolsky… - Physical Review D, 2016 - APS
We present new parton distribution functions (PDFs) at next-to-next-to-leading order (NNLO)
from the CTEQ-TEA global analysis of quantum chromodynamics. These differ from previous …

Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector

M Aaboud, G Aad, B Abbott, O Abdinov, B Abeloos… - Physical review D, 2018 - APS
A search for the associated production of the Higgs boson with a top quark pair (tt¯ H) is
reported. The search is performed in multilepton final states using a data set corresponding …

Parton distributions in the LHC era: MMHT 2014 PDFs

LA Harland-Lang, AD Martin, P Motylinski… - The European Physical …, 2015 - Springer
We present LO, NLO and NNLO sets of parton distribution functions (PDFs) of the proton
determined from global analyses of the available hard scattering data. These MMHT2014 …

NNLO corrections to top-pair production at hadron colliders: the all-fermionic scattering channels

M Czakon, A Mitov - Journal of High Energy Physics, 2012 - Springer
A bstract This is a second paper in our ongoing calculation of the next-to-next-to-leading
order (NNLO) QCD correction to the total inclusive top-pair production cross-section at …

Handbook of LHC Higgs cross sections: 2. Differential distributions

S Dittmaier, C Mariotti, G Passarino, R Tanaka… - arXiv preprint arXiv …, 2012 - arxiv.org
This Report summarises the results of the second year's activities of the LHC Higgs Cross
Section Working Group. The main goal of the working group was to present the state of the …

Measurement of the t-tbar production cross section in the e-mu channel in proton-proton collisions at sqrt (s)= 7 and 8 TeV

CMS collaboration - arXiv preprint arXiv:1603.02303, 2016 - arxiv.org
The inclusive cross section for top quark pair production is measured in proton-proton
collisions at sqrt (s)= 7 and 8 TeV, corresponding to 5.0 and 19.7 invers-femtobarns …

Search for dark matter produced in association with bottom or top quarks in  TeV pp collisions with the ATLAS detector

M Aaboud, G Aad, B Abbott, O Abdinov… - The European Physical …, 2018 - Springer
A search for weakly interacting massive dark-matter particles produced in association with
bottom or top quarks is presented. Final states containing third-generation quarks and …

Measurement of ttbar production with a veto on additional central jet activity in pp collisions at sqrt (s)= 7 TeV using the ATLAS detector

ATLAS collaboration - arXiv preprint arXiv:1203.5015, 2012 - arxiv.org
A measurement of the jet activity in ttbar events produced in proton-proton collisions at a
centre-of-mass energy of 7 TeV is presented, using 2.05 fb^-1 of integrated luminosity …