Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2008-10-06
Physics
Nuclear Physics
Nuclear Experiment
4 pages, 2 figures, proceedings from 10th International Workshop on Meson Production, Properties and Interaction, 2008, Krakow
Scientific paper
10.1142/S0217751X09043936
We present a preliminary analysis of the photon beam asymmetry observable (Sigma) from the photoproduction reaction channel gamma+ n -> p + pi-. This new data was obtained using the near-4pi CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory, USA, employing a linearly polarised photon beam with an energy range 1.1 - 2.3 GeV. The measurement will provide new data to address the poorly established neutron excitation spectrum and will greatly expand the sparse world data-set both in energy and angle.
Branford Derek
for the CLAS Collaboration
Klein Frank
Sokhan Daria
Watts Daniel
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