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L2 sensitivities for global QCD analyses

Constraints from experimental data sets



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PDF ensemble

Fits to global data sets (tolerance T2=10)

CT18 NNLO CT18As NNLO CT18As_Lat NNLO
MSHT20 NNLO MSHT20 approximate N3LO

Fits to partial data sets

ATLAS′21 NNLO (t2=9) CT18′ NNLO reduced (T2=10) MSHT′2020 NNLO reduced (T2=10)
 

Experimental data

Common experimental data sets

HERA DIS combined BCDMS F2p BCDMS F2d NMC d/p ratio NuTeV dimuon combined
E866 Drell-Yan ratio ATLAS 7 TeV W/Z [2016] LHCb 8 TeV Z → e+e- DØ II yZ
CMS 7 TeV electron Acharge ATLAS 7 TeV W/Z [2011] LHCb W/Z 7 and 8 TeV CMS 8 TeV incl. jets
All experiments Summed absolute sensitivities

Experimental data sets in the ATLAS′21 fit only. All measurements are by ATLAS

Top 8 TeV V+jets 8 TeV W 8 TeV Z 3D 8 TeV Top 13 TeV photon ratio Jets 8 TeV

Experimental data sets in full CT fits only

LHCb 7 TeV W/Z LHCb 8 TeV W/Z NuTeV dimuon nu NuTeV dimuon nu-bar ATLAS 8 TeV Z pT
CMS 7 TeV incl. jets ATLAS 7 TeV incl. jets CMS 8 TeV ttbar ATLAS 8 TeV ttbar
CDHSW F2 CDHSW xF3 CCFR F2 CCFR xF3 CCFR dimuon nu CCFR dimuon nu-bar
HERA-1 charm H1 bottom H1 FL E605 Drell-Yan E866 pp Drell-Yan CDF I lepton Acharge
CDF II lepton Acharge DØ II muon Acharge CDF II yZ CMS 7 TeV muon Acharge CMS 8 TeV muon Acharge
DØ II electron Acharge CDF II incl. jets DØ II incl. jets E916 SeaQuest
Fixed-target DIS normalizations and lattice constraints

Experimental data sets in full MSHT fits only

NMC F2p NMC F2d SLAC F2p SLAC F2d E665 F2d E665 F2p
NuTeV nu N F2 NuTeV nu N xF3 E866 Drell-Yan pp HERA1+2 charm+bottom NMC/BCDMS/SLAC/HERA FL
CCFR dimuon combined CHORUS nu N F2 CHORUS nu N xF3 HERA e+ p CC HERA e- p CC
HERA e+ p NC 820 GeV HERA e- p NC 460 GeV HERA e+ p NC 920 GeV HERA e- p NC 575 GeV
HERA e- p NC 920 GeV CDF II incl. jets (kT algorithm) CDF II Z rapidity DØ II muon Acharge
CDF II W Acharge DØ II electron Acharge DØ II incl. jets
CMS 7 TeV lepton Acharge pT(l) > 25, 30 GeV LHCb 7 TeV Z -> e+ e
LHCb 7 TeV muon Acharge, pT(mu) > 20 GeV CMS 7 TeV Z rapidity & qT ATLAS 7 TeV high-mass Drell-Yan
Tevatron, ATLAS, CMS total ttbar cross-section CMS 7 TeV double diff. Drell-Yan
CMS 8 TeV W muon pseudorapidity ATLAS 7 TeV jets CMS 7 TeV W + c CMS 7 TeV jets
DØ W Acharge ATLAS 8 TeV Z pT and rapidity ATLAS 8 TeV ttbar lepton+jets ATLAS 8 TeV ttbar dilepton
ATLAS 8 TeV high-mass Drell-Yan ATLAS 8 TeV W+jet CMS 8 TeV ttbar dilepton ATLAS 8 TeV W+ + W-
CMS 2.76 TeV jets CMS 8 TeV ttbar lepton+jets ATLAS 8 TeV Z triple-differential

 

Factorization scale

Q=2 GeV Q=100 GeV
 

Plot type

Sensitivities to PDF flavors Sensitivities to PDF ratios