PROTON STRUCTURE

Combined Measurement of the longitudinal structure function at HERA (Preliminary)

(1) Reduced cross sections vs x in Q2 bins for high, medium and low energy running
Reduced cross sections vs x in Q2 bins for high, medium and low energy running

(2) Reduced cross sections vs x in Q2 bins in the region where both H1 and ZEUS measurements are performed
Reduced cross sections vs x in Q2 bins in the region where both H1 and ZEUS measurements are performed

(3) Reduced cross sections vs y^2/(1+(1-y)^2) for Q2=32 GeV2
Reduced cross sections vs y^2/(1+(1-y)^2) for Q2=32 GeV2

(4) FL vs x in Q2 bins
FL vs x in Q2 bins

(5) FL averaged in x vs Q2
FL averaged in x vs Q2

(6) H1 and ZEUS individual FL measurements compared to the combined FL
H1 and ZEUS individual FL measurements compared to the combined FL

(7) Combined FL compared to various model predictions
Combined FL compared to various model predictions

(8) Combined FL compared to QCD@NLO prediction using HERAPDF1.0 and the predicton in the dipole model
Combined FL compared to QCD@NLO prediction using HERAPDF1.0 and the predicton in the dipole model