Abstract

Our previous model is used and improved to estimate branching ratios for $B=0$ (N\ifmmode\bar\else\textasciimacron\fi{}N) and $B=1$ (N\ifmmode\bar\else\textasciimacron\fi{}NN) annihilations. Particular emphasis is put on the two-body exit channels. It is pointed out that relative values of two-body exit channel branching ratios in $B=1$ annihilations are largely model independent. Nuclear effects in p\ifmmode\bar\else\textasciimacron\fi{}-nucleus annihilation at rest are estimated.

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