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Study of Pion Absorption Mechanisms in He-4 and Other Nuclei

Jackson, H.E. ; Tabor, S.L. ; Rehm, K.E. ; et al.

Phys.Rev.Lett. 39 (1977) 1601-1604, 1977.

Inspire Record 126555 DOI 10.17182/hepdata.20984

The spectrum and yield of protons produced by 60-, 100-, and 200-MeV π+ and π− beams on targets of He4, C12, Ni62, and Ta181 have been measured at 45° and 90°. A distinct high-energy component is seen in the protons from He4, which is consistent with a two-body absorption mechanism. Its cross section at 220 MeV is somewhat larger than calculated from the π+ + D process. Possible evidence is also seen for multinucleon absorption modes. The data on heavier nuclei are consistent with earlier experiments.

2 data tables

Table 1

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Table 2

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