GAMMA N --> PI- P
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Measurement of Asymmetries in Polarized gamma + n --> pi + n, with E(gamma) from 600-MeV to 900-MeV

Knies, G. ; Oberlack, H. ; Rittenberg, A. ; et al.
Phys.Rev.D 10 (1974) 2778, 1974.
Inspire Record 90220 DOI 10.17182/hepdata.24943

We report on the measurement of asymmetries in the single-pion photoproduction reactions γp→nπ+, γp→pπ0, and γn→pπ−, induced by linearly polarized photons of energies from 610 to 940 MeV. The experiment was carried out using the back-scattered laser beam and the 82-in. dubble chamber at SLAC. We compare the new data with predictions from a partial-wave analysis.

13 data tables
Table 1

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Pion production with polarized photons and test of vector dominance model

Geweniger, Chr. ; Heide, P. ; Kötz, U. ; et al.
Phys.Lett.B 28 (1968) 155-156, 1968.
Inspire Record 1392676 DOI 10.17182/hepdata.29098

Cross section asymmetries for the sum of single π + and π - production with polarized photons of 3.4 GeV have been measured. The results disagree with calculations based on the vector dominance model using experimental data of vector meson production in π beams.

1 data table
Table 1

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