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CT10 global analysis

Additional figures and results


This web page collects additional figures and numerical results from the CT10 global analysis. The main reference for this study is
New parton distributions for collider physics
Authors: Hung-Liang Lai, Marco Guzzi, Joey Huston, Zhao Li, Pavel M. Nadolsky, Jon Pumplin, C.-P. Yuan
E-print: arXiv:1007.2241 [hep-ph]
To download a figure in the Encapsulated Postscript (EPS) format, click on its thumbnail image

Figures

CT10 PDF set

Parton distribution functions in the central fit
pdf-ct10Q2a.png  pdf-ct10Q2xfb.png
PDFs at mu=2 GeV		 pdf-ct10Q85a.png
PDFs at mu=85 GeV

CT10 predictions vs. the combined HERA-1 data with systematic shifts
mA419epNCa_ShiftedData_vs_Theory.png
e+p neutral-current DIS data		 mA419emNCa_ShiftedData_vs_Theory.png
e-p neutral-current DIS data

Systematic shifts of the combined HERA-1 data
mA419epNCa_vs_ShiftedData.png
e+p neutral-current DIS data		 mA419emNCa_vs_ShiftedData.png
e-p neutral-current DIS data

CT10W PDF set

Parton distribution functions in the central fit
pdf-ct10wQ2a.png  pdf-ct10wQ2xfb.png
PDFs at mu=2 GeV		 pdf-ct10wQ85a.png
PDFs at mu=85 GeV

CT10W predictions vs. the combined HERA-1 data with systematic shifts
cy29c_epNCa_ShiftedData_vs_Theory.png
e+p neutral-current DIS data		 cy29c_emNCa_ShiftedData_vs_Theory.png
e-p neutral-current DIS data

Systematic shifts of the combined HERA-1 data
cy29c_epNCa_vs_ShiftedData.png
e+p neutral-current DIS data		 cy29c_emNCa_vs_ShiftedData.png
e-p neutral-current DIS data		 lambdas_ct10w.png
Distributions of systematic parameters

Comparison of CT10 and CT10W PDFs

PDF uncertainty bands
fig25B007.png
gluon, mu=2 GeV		 fig25B010.png
u-quark, mu=2 GeV		 fig25B011.png
d-quark, mu=2 GeV
fig25B013.png
gluon, mu=100 GeV		 fig25B016.png
u-quark, mu=100 GeV		 fig25B017.png
d-quark, mu=100 GeV

Breakdown of chi2 value over Ags for combined HERA data

chi2vsAcut.png
For CT10 fit and two fits with Acut=1.5		 chi2vsAcut_xcausal.png
Same, in the casually connected region x>=0.0002

Numerical results

  • chi2 values for individual experiments in the CT10 and CT10W analyses. The zip file contains two OpenOffice spreadsheets with chi2/Npt for experiments and a list of the included experiments. [Contact: Marco Guzzi, mguzzi AT physics.smu.edu].

    • Support: Pavel Nadolsky (nadolsky AT smu.edu)