학술논문
RECENT RESULTS FROM GRAAL.
Document Type
Article
Author
Source
Subject
*COLLISIONS (Nuclear physics)
*HADRONS
*PARTICLES (Nuclear physics)
*HYDROGEN
*SCATTERING (Physics)
*NUCLEAR physics
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Language
ISSN
0217-751X
Abstract
A polarised and tagged $\vec\gamma$ ray beam is produced at GRAAL by the Compton scattering of laser light on the high energy electron of the ESRF storage ring. We present results on the beam polarisation asymmetries and cross sections in the photoproduction of mesons on hydrogen and deuterium target in the energy region 500-1500 MeV. These very precise results cover the angular range 30°-150°, providing stringent constraints to theoretical models. [ABSTRACT FROM AUTHOR]