Elsevier

Nuclear Physics B

Volume 154, Issue 3, 6 August 1979, Pages 492-502
Nuclear Physics B

Polarisation parameters in neutral pion photoproduction

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Abstract

The polarisation parameters Σ, P and T have been measured for the process γp→π0p in the photon energy range 1300–2100 MeV and c.m. angles between 30° and 110°, in an experiment with a polarised beam and polarised target. The results are compared with a recent theoretical analysis which fits data from threshold to 16 GeV. The new data are in general agreement with the analysis, but with some significant discrepancies in detail.

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Present address: Rutherford Laboratory, Chilton, UK.

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Present address: New Scientist, London.

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