Evidence of the Cabibbo suppressed decay Lambda(c)+ ---> p K- K+.

photon nucleus; inclusive reaction; beryllium; mass spectrum; (p K- pi+); (p K+ K-); Phi(1020); magnetic spectrometer; experimental results; Batavia TEVATRON PS; approx. 220; Lambda/c+; photoproduction; nonleptonic decay; rare decay; branching ratio; Lambda/c+ --> p K+ K-; Lambda/c+ --> p pi+ K-; Lambda/c+ --> p Phi(1020)