Study of Two-Step Mechanisms in Pion Absorption on 6Li, 12C via Deuteron Emission
G. M. Huber, G. J. Lolos, Z. Papandreou, J. Hovdebo, S. I. H. Naqvi, D. F. Ottewell, P. L. Walden, G. Jones, X. Aslanoglou
Abstract
The (pi+,pd), and (pi+,dd) reactions were investigated with pions of 100 and 165 MeV kinetic energy on 6Li and 12C targets. In comparison with previously published (pi+,pp) data on the same targets and at the same beam energies, kinematic regions were identified in which the neutron pickup process n+p->d dominated the observed deuteron yield. The importance of this mechanism increases with energy, contributing half of the observed cross section at 165 MeV. The contribution of direct quasi-triton absorption is significant only at 100 MeV.
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