Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprc10005e&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
The study of single pion electroproduction processes provides valuable information on the structure of the nucleon and the excited states. Even though these reactions have been studied for decades, there has never been a set of data containing both p π^0 and n π^+ channels with nearly complete coverage of the reaction phase space. The CEBAF Large Acceptance Spectrometer (CLAS), located in Hall B of Jefferson Lab, is an experimental device well suited for conducting these experiments. The CLAS data were taken using the CEBAF electron beam incident on a liquid H2 target. The large phase space coverage of CLAS and the high statistical accuracy of the data will allow us to perform the analysis of single pion electroproduction observables and to obtain the resonant amplitudes for the nucleon resonances in the first two resonance regions. The results for the cross sections and the response functions for ep→ e' n π^+ reaction will be presented.
Burkert Volker
Egiyan Hovanes
Griffioen Keith
Minehart Ralph
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