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Abstract: High-statistics differential cross sections for the reactions gamma p -> peta and gamma p -> p eta-prime have been measured using the CLAS at JeffersonLab for center-of-mass energies from near threshold up to 2.84 GeV. Theeta-prime results are the most precise to date and provide the largest energyand angular coverage. The eta measurements extend the energy range of theworld-s large-angle results by approximately 300 MeV. These new data, inparticular the eta-prime measurements, are likely to help constrain theanalyses being performed to search for new baryon resonance states.



Autor: M. Williams, Z. Krahn, D. Applegate, M. Bellis, C.A. Meyer, for the CLAS Collaboration

Fuente: https://arxiv.org/







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