Structure Function and Electroweak Physics Results

The ZEUS NLO QCD Fit

Topic

Publications

Figures

Tables of Data

Additional Material

A ZEUS next-to-leading-order QCD analysis of data on deep inelastic scattering

Published in:

Physical Review D 67, 012007 (2002)

Paper version:
fig1,  fig2,  fig3,  fig4,  fig5a,  fig5b,  fig6,  fig7,  fig8,  fig9,  fig10,  fig11a,  fig11b,  fig12,  fig13,  fig14,  fig15,  fig16 


Colour version:
fig1,  fig2,  fig3,  fig4,  fig5,  fig15 

None

The ICHEP 2002 paper 

The prel. ZEUS-O valence PDFs obtained including the ZEUS 99/00 e+p NC and CC high-Q2 cross sections 

A combined version of the paper's fig6 and fig7 suitable for comparison with the ZEUS-O valence PDFs  

A comparison of the Structure function F2, the total sea and the gluon density obtained from the ZEUS-S fit including or excluding the ZEUS data 

Public Access to ZEUS PDFs 

Total Photoproduction Cross Section

Topic

Publications

Latest Results

Tables of Data

Event Display

Measurement of the photon-proton total cross section at a center-of-mass energy of 209 GeV at HERA

DESY 01-216 (December 2001)

PostScript, TeX

One page summary

Published in:

Nuclear Physics B627 (2002) 3-28

Figures:
1,  2,  3,  4,  5,  6,  7,  8.

Deep Inelastic Scattering with Longitudinally Polarized Lepton Beams

Topic

Publications

Latest Results

Tables of Data

Event Display

2003/2004 Data: High-Q2 neutral current and charged current cross sections in e+p deep inelastic scattering at sqrt(s)=318 GeV with longitudinal polarization

DESY 06-015 (February 2006)

PostScript, LaTeX tar ball

One page summary (PDF)

Published in:

Physics Letters B, 637 (2006) 210-222

Figures:
1,  2,  3,  4,  5

dsigma/dQ2:LH, RH
dsigma/x: LH, RH
dsigma/y: LH, RH

dsigma/dQ2:LH, RH

Neutral Current Deep Inelastic Scattering

Topic

Publications

Latest Results

Tables of Data

Event Display

1996/2000 Data: Measurement of neutral current cross sections at high Bjorken-x with the ZEUS detector at HERA

DESY 06-116 (July 2006)

PostScript, LaTeX tar ball

One page summary

Submitted to European Physical Journal C.

Figures:
1,  2,  3,  4,  5,  6a,  6b,  7,  8,  9,  10,  11,  12,  13,  14, 

1, 2, 3, 4, 5, 6

Event pictures:

1999/2000 Data: High-Q2 neutral current cross sections in e+p deep inelastic scattering at sqrt(s)=318 GeV

DESY 03-214 (December 2003)

PostScript, LaTeX tar ball

One page summary

Accepted by Physical Review D.

Figures:
1,  2,  3,  4,  5,  6,  7

1, 2 3, 4, 5, 6, 7-8, 9-10

Event pictures:

1, 2, 3, 4

Topic

Publications

Latest Results

Tables of Data

Event Display

1998/99 Data: Measurement of high-Q2 e-p Neutral Current Cross Sections at HERA and the Extraction of xF3

DESY 02-113 (August 2002)

PostScript, LaTeX tar ball

One page summary

Accepted by Eur. Phys. J.

Figures:
1,  2,  3,  4,  5,  6,  7,  8,  9.

Colour versions:
3,  4a,  4b,  5,  7,  9.

HEPDATA

Event pictures:

1, 2

Topic

Publications

Latest Results

Tables of Data

Event Display

High Q2 Neutral Current Positron-Proton Cross Section

1994/97 Data: Measurement of High Q2 Neutral Current e+p Deep Inelastic Scattering Cross Sections at HERA

One page summary

DESY 99-056 (May 1999) PostScript, TeX

Published in:
The European Physical Journal C 11 (1999) 3, 427-445

Figure 1 a,b, 

Figure 1 c,d, 

Figure 2, 

Figure 3, 

Figure 4, 

Figure 5, 

Figure 6, 

Figure 7, 

Figure 8

Table 1 - ds/dQ2

Table 2 - ds/dx

Tables 3 and 4 - ds/dy

Event pictures:

1, 2, 3, 4, 5

Topic

Publications

Latest Results

Tables of Data

Event Display

Measurement of the Proton Structure Function at Low x and Low Q2

DESY 00-071

Published in:
Physics Letters B 487 (2000) 1-2, 53-73

Paper Figures:

1: Control Plots
2: Control Plots
3: F2 vs. x in Q2 bins
4: F2 vs. Q2 in y bins

Colour Plots

Preliminary Results from DIS99 including sigmatot extrapolation

DIS99 Figures

Tables from DESY-00-071

Table 1: F₂values with errors

Table 2: F₂individual systematic checks (published in preprint only)

High y event
Medium y, diffractive event
Medium y, non-diffractive event
Medium y, rho candidate
Low y, rho candidate
Low y event

Measurement of the Proton Structure Function at Low x and Low Q2

PostScript, TeX version of the Paper.

Figures:

1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3, 4

F₂
values with errors

Complete
table
of systematic offsets

Measurement of the Proton Structure Function at Low x and Low Q2

DESY-95-193 (October 1995)

Zeitschrift f. Physik C69 (1996) 4, 607-620

PostScript, TeX 

version of the Paper.

Figure 1,

Figure 2,

Figure 3,

Figure 4,

Figure 5,

Figure 6

Topic

Publications

Latest Results

Tables of Data

Event Display

Figures:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

Figures and plots

Combined ZEUS and H1 F₂ plots

F₂
values with errors.

Information on correlated systematic uncertainties described in the paper.

Typical event
An event with hadronic and positron angle roughly equal
High Q2 event
High y dijet event
High y event
Jet and e+ back-to-back (x=Ee/Ep)
Another high Q2 event
Low y event
Another low y event
Low y diffractive event

Zeitschrift f. Physik C72 (1996) 3, 399-424

PostScript, TeX

version of the Paper.

Figures:

1a,b, 1c,d, 1f, 2, 3, 4, 5, 6, 7a, 7a 1, 7a 2, 7b, 8a, 8b, 9, 10, 11a, 11b, 11c, 12, 13a, 13b, 13c, a1

Colour versions of figures 11 and 12.

F2 versus Q2 at fixed x, H1, ZEUS, SLAC, NMC and BDMS

F2 at Q2 15 H1 and ZEUS

F2 fixed Q2 versus x H1 and ZEUS

Reduced cross section fixed Q2 versus x H1 and ZEUS

F₂
values with errors

Information on correlated systematic effects described in the appendix of the paper:

Complete
table
of systematic checks

FORTRAN
subroutine
for systematic offsets

Measurement of the Proton Structure Function at Medium Q2

Zeitschrift f. Physik C65 (1995) 379-398 

PostScript, TeX 

version of the Paper.

Figure (PS)

Table (TeX)

Measurement of the Proton Structure Function at Medium Q2

PostScript, TeX

version of the Paper.

Figure 1,

Figure 2,

Figure 3,

Figure 4

Topic

Publications

Latest Results

Tables of Data

Event Display

Phenomenological Analyses together with the Extraction of the Gluon

The European Physical Journal C7 (1999) 609-630

PostScript, TeX version of the Paper.

Figure 1,

Figure 2,

Figure 3,

Figure 4,

Figure 5,

Figure 6,

Figure 7,

Figure 8,

Figure 9,

Figure 10,

Figure 11,

Figure 12

Table 1:
F₂ values of the 1995 ZEUS shifted vertex data,
ZEUS SVX95. 
Table 1.a:
Matrix  of systematic uncertainties
Table 2:
Extrapolation of the BPC sig_tot^gamma*p to Q² = 0.
Table 3:
Values of the slope lambda_eff = d F₂ / d log (1/x)
Table 4:
Values of the slope d F₂ / d log Q²
ZEUS QCD fit parton densities
Documentation
FORTRAN routines
zpdflib.f,
zpdflib.inc
input files:
fit94220.f2s.gz
(description)
Standard fit
Q²_min = 1 GeV²

Phenomenological Analyses together with the Extraction of the Gluon

PostScript, TeX version of the Paper.

Figure 1,

Figure 2,

Figure 3,

Figure 4,

All figures and captions

Charged Current Deep Inelastic Scattering

Topic

Publications

Latest Results

Tables of Data

Event Display

High Q2 Charged Current Positron-Proton Cross Section

1994/97 Data: Measurement of High Q2 Charged-Current e+p Deep Inelastic Scattering Cross Sections at HERA

PostScript, TeX (Revised 2002)

One page summary

Published in:
The European Physical Journal C 12 (2000) 3, 411-428


Erratum:
Eur. Phys. J. C 27, 305 (2003)

Figures:
1 a,  1 b,  2,  3,  4,  5,  6,  7,  7(col),  8,  8(col),  9,  10

Table 1 - ds/dQ2

Table 2 - ds/dx

Table 3 - ds/dy

Table 6 - d2s/dxdQ2 (includes corr. and uncorr. uncertainties separately)

Total CC cross section

Event pictures:

1, 2, 3

Charged Current Deep Inelastic Scattering

Topic

Publications

Latest Results

Tables of Data

Event Display

1998/99 Data: Measurement of high-Q2 charged current cross sections in e-p deep inelastic scattering at HERA

DESY 02-064 (May 2002)

PostScript, GZipped tar ball

One page summary

Published in:

Physics Letters B 539(2002) 197-217

Erratum:

Physics Letters B 552 (2003) 308

Figures:
1,  2,  3,  4,  5.


Versions of figures for presentations:
1,  2,  4,  5.

Table 1a - ds/dQ2

Table 1b - ds/dx

Table 1c - ds/dy

Table 2 - reduced cross section

Statistical, uncorrelated and correlated systematic uncertainties:

Table 3a - ds/dQ2

Table 3b - ds/dx

Table 3c - ds/dy

Table 4 - reduced cross section

Total CC cross section

Charged Current Deep Inelastic Scattering

Topic

Publications

Latest Results

Tables of Data

Event Display

1999/00 Data: Measurement of high-Q2 charged current cross sections in e+p deep inelastic scattering at HERA

DESY 03-093 (July 2003)

PostScript, GZipped tar ball

One page summary

Accepted by European Phys. Journal C

Figures:
1,  2,  3,  4,  5,  6,  7,  8.

Table 1a - ds/dQ2

Table 1b - ds/dx

Table 1c - ds/dy

Table 2 - reduced cross section