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Anisotropy in the pion angular distribution of the reaction pp -> pp pi0 at 400 MeV

Thorngren Engblom, P. ; Negasi Keleta, S. ; Cappellaro, F. ; et al.
Phys.Rev.C 76 (2007) 011602, 2007.
Inspire Record 725409 DOI 10.17182/hepdata.31500

The reaction pp -> pp pi0 was studied with the WASA detector at the CELSIUS storage ring. The center of mass angular distribution of the pi0 was obtained by detection of the gamma decay products together with the two outgoing protons, and found to be anisotropic with a negative second derivative slope, in agreement with the theoretical predictions from a microscopic calculation.

2 data tables
Table 1

Acceptance corrected centre of mass PI0 angular distribution, normalized to 92.3 +- 7.2 MUB (Bilger et al.).

Table 2

Acceptance corrected centre of mass PI0 angular distribution for relative proton momenta < 53 MeV, normalized to Bilger et al... Statistical errors only.