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Polarisation parameters in positive pion photoproduction |
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| Authors: | PJ Bussey C Raine JG Rutherglen PSL Booth LJ Carroll GR Court PR Daniel AW Edwards R Gamet CJ Hardwick PJ Hayman JR Holt JN Jackson JH Norem WH Range FH Combley W Galbraith VH Rajaratnam C Sutton |
| Institution: | University of Glasgow, Scotland;University of Liverpool, England;University of Sheffield, England |
| Abstract: | Measurements have been made of the polarisation parameters Σ, T and P for the process γp → π+n in the photon energy range 520–2250 MeV at c.m. angles between 30° and 120°. These data were obtained in a double polarisation experiment, using the polarised photon beam from the Daresbury electron synchrotron incident on a polarised proton target. The data are compared with predictions from current theoretical analyses. |
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