Horikawa, N.
Polarization
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Measurement of the asymmetry for pi+ photoproduction from polarized protons between 300 and 900 mev

Arai, S. ; Fukui, S. ; Horikawa, N. ; et al.
Nucl.Phys.B 48 (1972) 397-414, 1972.
Inspire Record 84444 DOI 10.17182/hepdata.32778

The asymmetry of the cross section for π + photoproduction from a polarized butanol target has been measured at a c.m. angle 90° and photon energies between 300 and 900 MeV by a single-arm spectrometer detecting positive pions. Our results indicate that the asymmetry has clear positive peaks at photon energies 400 and 700 MeV with a deep valley at about 600 MeV. The general feature of the results is well reproduced by the phenomenological analyses made by Walker and ourselves; however, the best fit to the polarized target asymmetry data seems to give a somewhat different set of parameters from that given by Walker.

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Table 1

No description provided.


Angular dependence of the recoil proton polarization from the reaction $\gamma p \to \pi^0 p$ for photon energies between 360-MeV and 1200-MeV

Blum, P. ; Brinckmann, P. ; Brockmann, R. ; et al.
BONN-PI-1-105, 1970.
Inspire Record 1085812 DOI 10.17182/hepdata.70500

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1 data table match query
Table 3

No description provided.