New Global Fit to the Total Photon-Proton Cross-Section sigma L+T and to the Structure Function F2
Dominik Gabbert, Lara De Nardo
TL;DR
This paper presents a comprehensive fit to photon-proton cross-section data and the structure function F2 using a 23-parameter model based on Reggeon and Pomeron exchange, addressing data inconsistencies.
Contribution
The paper introduces a new global fit model for photon-proton interactions that accounts for data inconsistencies and provides detailed parameter uncertainties and correlations.
Findings
Successful fit to world data on sigma L+T and F2
Quantitative estimates of parameter uncertainties
Improved understanding of photon-proton interaction dynamics
Abstract
A fit to world data on the photon-proton cross section sigma L+T and the unpolarised structure function F2 is presented. The 23-parameter ALLM model based on Reggeon and Pomeron exchange is used. Cross section data were reconstructed to avoid inconsistencies with respect to R of the published F2 data base. Parameter uncertainties and correlations are obtained.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Medical Imaging Techniques and Applications · Particle Accelerators and Free-Electron Lasers