Photoproduction of pi(0)eta on protons and the Delta(1700)D-33-resonance
The European physical journal : A. Bd. 42. H. 2. Berlin: Springer 2009 S. 141 - 149
Erscheinungsjahr: 2009
ISBN/ISSN: 1434-6001 ; 1434-601X
Publikationstyp: Zeitschriftenaufsatz
Sprache: Englisch
Doi/URN: 10.1140/epja/i2009-10868-4
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Inhaltszusammenfassung
Total and differential cross-sections for the reaction gamma p -> pi(0)eta p have been measured with the Crystal Ball/TAPS detector using the tagged photon facility at the MAMI C accelerator in Mainz. In the energy range E-gamma = 0.95-1.4 GeV the reaction is dominated by the excitation and sequential decay of the Delta(1700)D-33-resonance. Angular distributions measured with high statistics allow us to determine the ratio of hadronic decay widths Gamma(eta Delta)/Gamma pi S-11 and the ratio ...Total and differential cross-sections for the reaction gamma p -> pi(0)eta p have been measured with the Crystal Ball/TAPS detector using the tagged photon facility at the MAMI C accelerator in Mainz. In the energy range E-gamma = 0.95-1.4 GeV the reaction is dominated by the excitation and sequential decay of the Delta(1700)D-33-resonance. Angular distributions measured with high statistics allow us to determine the ratio of hadronic decay widths Gamma(eta Delta)/Gamma pi S-11 and the ratio of the helicity amplitudes A(3/2)/A(1/2) for this resonance.» weiterlesen» einklappen
Autoren
Klassifikation
DFG Fachgebiet:
Teilchen, Kerne und Felder
DDC Sachgruppe:
Physik
