Exclusive Neutral Pion Electroproduction in the Deeply Virtual Regime
Eric Fuchey, Alexandre Camsonne, Carlos Munoz Camacho, Malek Mazouz, and the Hall A DVCS Collaboration

TL;DR
This paper reports measurements of neutral pion electroproduction cross sections at specific Q^2 values, providing insights into hadronic structure and testing theoretical models like GPDs and Regge calculations.
Contribution
It offers new experimental data on neutral pion electroproduction at Q^2=1.9 and 2.3 GeV^2, aiding the understanding of hadronic tensor evolution and model validation.
Findings
Data supports GPD predictions
Results show evolution of hadronic tensor with Q^2
Comparison with Regge models provides new insights
Abstract
We present measurements of the ep->ep pi^0 cross section extracted at two values of four-momentum transfer Q^2=1.9 GeV^2 and Q^2=2.3 GeV^2 at Jefferson Lab Hall A. The kinematic range allows to study the evolution of the extracted hadronic tensor as a function of Q^2 and W. Results will be confronted with Regge inspired calculations and GPD predictions. An intepretation of our data within the framework of semi-inclusive deep inelastic scattering has also been attempted.
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Taxonomy
TopicsCold Fusion and Nuclear Reactions · Nuclear Physics and Applications
