JETS AND PROTON STRUCTURE
QCD analysis using H1 and ZEUS measurements of jet cross sections and determination of strong coupling constant (Preliminary)
H1prelim-11-034, ZEUS-prel-11-001Writeup
(1) PDF fit for 10-parameters fit (HERAPDF1.5) evaluated at Q^2=10GeV^2![Figure_01](jets/pdf_jets_thumb/Figure_01.gif)
PDF fit for 10-parameters fit (HERAPDF1.5) evaluated at Q^2=10GeV^2
(2) PDF fit for 14-parameters fit (HERAPDF1.5f) evaluated at Q^2=10GeV^2 and compared to HERAPDF1.5 10-parameters fit
![Figure_02](jets/pdf_jets_thumb/Figure_02.gif)
PDF fit for 14-parameters fit (HERAPDF1.5f) evaluated at Q^2=10GeV^2 and compared to HERAPDF1.5 10-parameters fit
(3) PDF fit for 10-parameters fit (HERAPDF1.5) evaluated at Q^2=10GeV^2 (summary)
![Figure_03](jets/pdf_jets_thumb/Figure_03.gif)
PDF fit for 10-parameters fit (HERAPDF1.5) evaluated at Q^2=10GeV^2 (summary)
(4) PDF fit for 14-parameters fit (HERAPDF1.5f) evaluated at Q^2=10GeV^2 and compared to HERAPDF1.5 10-parameters fit (summary)
![Figure_04](jets/pdf_jets_thumb/Figure_04.gif)
PDF fit for 14-parameters fit (HERAPDF1.5f) evaluated at Q^2=10GeV^2 and compared to HERAPDF1.5 10-parameters fit (summary)
(5) PDF fit for the fit with jets (HERAPDF1.6) evaluated at Q^2=10 GeV^2
![Figure_05](jets/pdf_jets_thumb/Figure_05.gif)
PDF fit for the fit with jets (HERAPDF1.6) evaluated at Q^2=10 GeV^2
(6) PDF fit for the fit with jets (HERAPDF1.6) at Q^2=10 GeV^2 (summary)
![Figure_06](jets/pdf_jets_thumb/Figure_06.gif)
PDF fit for the fit with jets (HERAPDF1.6) at Q^2=10 GeV^2 (summary)
(7) Alpha_s chi^2 scan for the fit without jets (HERAPDF1.5f) and with jets (HERAPDF1.6)
![Figure_07](jets/pdf_jets_thumb/Figure_07.gif)
Alpha_s chi^2 scan for the fit without jets (HERAPDF1.5f) and with jets (HERAPDF1.6)
(8) PDF fit for the fit without jets (HERAPDF1.5f) and free alpha_s
![Figure_08](jets/pdf_jets_thumb/Figure_08.gif)
PDF fit for the fit without jets (HERAPDF1.5f) and free alpha_s
(9) PDF fit for the fit with jets (HERAPDF1.6) and free alpha_s
![Figure_09](jets/pdf_jets_thumb/Figure_09.gif)
PDF fit for the fit with jets (HERAPDF1.6) and free alpha_s
(10) HERAPDF1.6 fitted alpha_s value compared to the world average and various H1 and ZEUS measurements
![Figure_10](jets/pdf_jets_thumb/Figure_10.gif)
HERAPDF1.6 fitted alpha_s value compared to the world average and various H1 and ZEUS measurements
(11) DESY-09-032 jet data ratio to NLO using HERAPDF1.6, alpha_s=0.1202
![Figure_11](jets/pdf_jets_thumb/Figure_11.gif)
DESY-09-032 jet data ratio to NLO using HERAPDF1.6, alpha_s=0.1202
(12) DESY-09-162 jet data ratio to NLO using HERAPDF1.6, alpha_s=0.1202
![Figure_12](jets/pdf_jets_thumb/Figure_12.gif)
DESY-09-162 jet data ratio to NLO using HERAPDF1.6, alpha_s=0.1202
(13) DESY-02-112 jet data, ratio to NLO using HERAPDF1.6, alpha_s=0.1202
![Figure_13](jets/pdf_jets_thumb/Figure_13.gif)
DESY-02-112 jet data, ratio to NLO using HERAPDF1.6, alpha_s=0.1202
(14) DESY-06-128 jet data ratio to NLO using HERAPDF1.6, alpha_s=0.1202
![Figure_14](jets/pdf_jets_thumb/Figure_14.gif)
DESY-06-128 jet data ratio to NLO using HERAPDF1.6, alpha_s=0.1202