Abstract
A study of antiproton-proton collisions at $3.3 \mathrm{and} 3.7 \frac{\mathrm{BeV}}{c}$ indicates that (41\ifmmode\pm\else\textpm\fi{}4)% of the total interaction cross section can be attributed to annihilation into pions. The average pion multiplicity is 6.5\ifmmode\pm\else\textpm\fi{}0.5. The positively charged pions and dipions tend to be emitted backward, while the negatively charged pions and dipions tend to be emitted forward in the center-of-mass system. Although there is a substantial amount of resonance production, especially of $\ensuremath{\rho}$ and of $\ensuremath{\omega}$ mesons, there is no clear evidence for double or associated resonance production in these final states. A search for new resonances as well as for some of the recently discovered mesons proved unsuccessful.
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