Abstract
A formuht for the amplitude of multi-body hadronic reaction is proposed which is a generalization of all-angle formula for the two-body hadronic reactions. The amplitude for the hadronic reaction a+b~1+2+···+n is given as T(ab~1 2···n) =L:x CxTg(s,,. .. , s,), where the coefficients Cx are obtained by counting contributions of urbaryon rearrangement of the K-type. Variables s~ are squares of the energy of channel Jl. Each amplitude Tx(s,,. .. , s,) which is characterized by the urbaryon rearrangement diagram is factorized into a product of the overlapping integrals corresponding to urbaryon lines. The specific features of the amplitude Tx(s1,.··, s,) are studied. For the processes with n=3 the behaviour of amplitudes are examined in detail in terms of the longitudinal phase space distributions, PT distributions and s-dependence, and compared with the experimental data.
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