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The total cross section for pion production in the reaction pd -> pdir 0 has been measured for bombarding energies from T p = 208.4 MeV to 294.6 MeV. This corresponds to maximum pion momenta 77 = Pn r c.m./m 7 rC between 0.099 and 0.96. The experiment was performed using an electroncooled proton beam and an internal deuterium gas jet target. The resulting crtot changes by almost 4 orders of magnitude over the covered energy range. The results are compared to a model which assumes quasi-free production via the pn -> dn 0 elementary process.

Energy spectra and multiplicities of neutrons from the reaction system 838 MeV 32S projectiles on 197Au have been measured in coincidence with binary fragmentations. Neutron detection was performed simultaneously in a 4re scintillator sphere and by time-of-flight. The linear momentum transfer (LMT) and the excitation energy E~N are deduced with the folding angle technique. Neutron multiplicities are compared for consistency and discussed as a measure of LMT and E*N. The saturation of M4~(E*N) beyond E*N ~ 400 MeV seen for several systems of high fissility (x > 0.8) is attributed to the spreading of the folding angle distribution and the increasing competition of charged particle evaporation.

A measurement of the total cross section for the reaction pd + pdxo very close to threshold has been carried out at the IUCF Cooler. The deuteron with its known "nuclear structure" is the simplest system where pion production on nuclei can be investigated and mechanisms other than the quasi-free production may become important. In this contribution the experimental setup and the data analysis are described. Total cross sections for pd -+ pdn' in the range 0.1 e 1 < 1.0 are reported.