München 2006 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 8: Elektromagnetische und Hadronische Sonden

HK 8.8: Vortrag

Montag, 20. März 2006, 18:15–18:30, F

Helicity dependence of single pion photoproduction on the deuteron — •Mauricio Martínez — Institut für Kernphysik, Univ. Mainz, J.-J. Becherweg 45, 55099 Mainz

Pion photoproduction on the deuteron is an important tool to investigate the reaction mechanisms on the neutron and an ideal testing ground for theoretical models of the deuteron. Polarized and unpolarized differential cross section data for single pion photoproduction on the deuteron below double pion threshold will be presented. The data was taken in the framework of the GDH-experiment at MAMI using circularly polarized photons and longitudinally polarized nucleons. The experimental setup and the analysis method will be described. Three charged and neutral single pion production channels were analyzed. Preliminary results will be discussed and compared to previous experiments, theoretical calculations, and data on single pion photoproduction on the proton.