What did HERA teach us about the structure of the proton?
Amanda Cooper-Sarkar
TL;DR
The paper reviews how combined HERA data from H1 and ZEUS experiments have advanced our understanding of proton structure through the development of HERAPDFs and their comparison with other collider data.
Contribution
It provides a comprehensive overview of the combined HERA deep-inelastic scattering data and their impact on proton structure knowledge, including the development of HERAPDFs.
Findings
HERAPDFs offer precise proton structure information
Combined HERA data improve PDF accuracy
Comparison with collider data validates HERAPDFs
Abstract
Starting in 2008 the H1 and ZEUS experiments have been combining their data in order to provide the most complete and accurate set of deep-inelastic data as the legacy of HERA. The present review presents these combinations, both published and preliminary, and explores how they have been used to give information on the structure of the proton. The HERAPDF parton distribution functions (PDFs) are presented and compared with other current PDFs and with data from the Tevatron and LHC colliders.
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