Double- π⁰ photoproduction from the deuteron
- Kleber, V.
- Achenbach, P.
- Ahrens, J.
- Beck, R.
- Hejny, V.
- Kellie, J. D.
- Kotulla, M.
- Krusche, B.
- Kuhr, V.
- Leukel, R.
- Metag, V.
- Novotny, R.
- de Leon, V. O.
- Owens, R. O.
- Rambo, F.
- Schmidt, A.
- Schumacher, M.
- Siodlaczek, U.
- Stroher, H.
- Weiss, J.
- Wissmann, F.
- Wolf, M.
DOIAbstract
The photoproduction of two neutral pions from the deuteron has been studied for incident photon energies from 200 MeV to 820 MeV with the TAPS spectrometer at MAMI (Mainz Microtron). The total cross-section was determined and used to deduce the cross-section from the neutron. Due to the good statistical quality of the data Dalitz plots for the three particles in the exit channel (pi (0)pi N-0) could be constructed. The invariant mass distributions derived from them are presented in this paper. They indicate that the important reaction mechanism in the second resonance region is a sequential decay pattern involving the population of the Delta (1232)-resonance as an intermediate state
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