Collection of Plots

on ZEUS Structure Function and Cross Section Results

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QCD Fits and Phenomenology Modeling of the Proton Structure Function F₂ at low x and low Q² (95 Preliminary)

Plots from the paper submitted to the EPS97 conference, N647 (PS, PDF)

Gluon distribution in the MSbar scheme as a function of x at Q² of 7 and 20 GeV²(PS)
F₂ data and results from a pQCD DGLAP fit for 3 different starting scales Q₀² = 0.4, 0.8, and 1.2 GeV² (PS)
BPC F₂ measurements in bins of W as a function of Q² and a VDM inspired fit to the data (PS)
Photoproduction cross section extrapolated with the VDM model from the BPC data (PS)

F₂ from BPC (Paper DESY 97-135 ) and shifted vertex data (95 Preliminary)

F₂ values quoted have been calculated using for F_L the model of Bardelek, Kwiecinski and Stasto [hep-ph/9603230].

F2 vs x in bins of Q²(including F₂ with 94 data) (PS, PDF)
Comparison with existing models and parametrizations:

DL, CKMT, GRV94, and ABY parametrizations (PS, PDF)
DL and CKMT parametrizations (PS, PDF)
BK, GRV94 and ABY parametrizations (PS, PDF)
Data together with DL, CKMT, BK, GRV94 and ABY parametrizations (PS, PDF)

Sigma_tot(gamma^*p) vs W²in bins of Q² including DL and GRV94 curves ( PS, PDF )
Kinematic range in Q² vs x ( PS, PDF )
Picture of Beam Pipe Calorimeter ( PS, PDF )

F2charm results with 1994 and 1995 data (PRELIMINARY)

The following plots are all on the same scale and can be overlayed for comparison.

ZEUS 95 preliminary results ( PS, PDF )
ZEUS 94 results ( PS, PDF )
H1 94 results ( PS, PDF )
All combined into one plot ( PS, PDF )

F2charm results with 1994 data (Paper DESY 97-089 (May 97))

F₂^charm vs x in bins of Q² ( PS, PDF )