The helicity dependence of the (γ) over right arrow(p) over right arrow →ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV. The experiment, performed at the Mainz microtron MAMI, used a 4pi - detector system, a circularly polarized, tagged photon beam, and a longitudinally polarized frozen-spin target. These data are predominantly sensitive to the D-13(1520) resonance and are used to determine its helicity amplitudes.
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Titolo: | The helicity amplitudes A(1/2) and A(3/2) for the D13(1520) resonance obtained from the gamma p --> p pi0 |
Autori: | |
Data di pubblicazione: | 2002 |
Rivista: | |
Abstract: | The helicity dependence of the (γ) over right arrow(p) over right arrow →ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV. The experiment, performed at the Mainz microtron MAMI, used a 4pi - detector system, a circularly polarized, tagged photon beam, and a longitudinally polarized frozen-spin target. These data are predominantly sensitive to the D-13(1520) resonance and are used to determine its helicity amplitudes. |
Handle: | http://hdl.handle.net/11571/14413 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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