An Analysis Of $\gamma p \to p \pi^+ \pi^-$ Using The CLAS Detector
Matt Bellis (for the CLAS Collaboration)
TL;DR
This paper analyzes the reaction gamma p to p pi+ pi- using CLAS detector data to identify baryon resonances and compare cross sections with previous experiments.
Contribution
It presents a partial wave analysis of the reaction using CLAS data, providing new insights into intermediate baryon resonances in this energy range.
Findings
Total cross section compared to previous experiments
Preliminary differential cross sections for baryon resonances
Identification of intermediate baryon states
Abstract
Two charged pion final states are studied for GeV photons incident on protons. The data come from Thomas Jefferson National Accelerator Facility using the CLAS detector. A tagged photon beam of 0.5-2.4 GeV/c was produced through bremsstrahlung radiation and was incident on a liquid H2 target. This analysis looks at the reaction using a partial wave analyis to identify intermediate baryon resonances. Total cross section is compared to previous experiments and preliminary differential cross sections for intermediate baryon resonance quantum numbers are shown.
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