Study of the gamma p --> pi0 pi0 p reaction with the Crystal Ball/TAPS at the Mainz
V. L. Kashevarov, A. Fix, S. Prakhov, P. Aguar-Bartolom\'e, J. R. M., Annand, H. J. Arends, K. Bantawa, R. Beck, V. Bekrenev, H. Bergh\"auser, A., Braghieri, W. J. Briscoe, J. Brudvik, S. Cherepnya, R. F. B. Codling, E. J., Downie, P. Drexler, L. V. Fil'kov, D. I. Glazier
TL;DR
This study measures the gamma p --> pi0 pi0 p reaction using the Crystal Ball and TAPS detectors at Mainz, providing detailed cross sections and angular distributions to analyze reaction mechanisms below the D13(1520) resonance.
Contribution
It presents new experimental data on the gamma p --> pi0 pi0 p reaction, including total and differential cross sections, and partial-wave amplitudes below the D13(1520) resonance.
Findings
Measured total and differential cross sections from threshold to 1.4 GeV.
Extracted partial-wave amplitudes for the reaction.
Analyzed angular distributions below the D13(1520) resonance.
Abstract
The gamma p --> pi0 pi0 p reaction has been measured from threshold to 1.4 GeV using the Crystal Ball and TAPS photon spectrometers together with the photon tagging facility at the Mainz Microtron. The experimental results include total and differential cross sections as well as specific angular distributions, which were used to extract partial-wave amplitudes. In particular, the energy region below the D13(1520) resonance was studied.
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