Differential Cross-Sections of the Neutral Pion Photoproduction from Hydrogen in the Energy Range Between 400-MeV and 950-MeV

Yoshioka, M. ; Noda, A. ; Daigo, M. ; et al.
INS-281, 1977.
Inspire Record 118722 DOI 10.17182/hepdata.40545

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11 data tables match query

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Negative Pion Production from Neutrons by Polarized gamma Rays

Nishikawa, T. ; Hiramatsu, S. ; Kimura, Y. ; et al.
Phys.Rev.Lett. 21 (1968) 1288-1291, 1968.
Inspire Record 944914 DOI 10.17182/hepdata.38534

The differential asymmetry ratio for the process γ+n→p+π− was measured at 90° in the center-of-mass system and for incident photon energies from 352 to 550 MeV. The observed asymmetries are larger than the values predicted from the theory by Berends, Donnachie, and Weaver. A smaller M1- amplitude gives better agreement between the experiment and the theory.

2 data tables match query

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