Question: Three particles, labelled 1, 2, 3, are produced in a given experiment at a fixed centre-of-mass energy. If show that the sum of the squared

Three particles, labelled 1, 2, 3, are produced in a given experiment at a fixed centre-of-mass energy. Ifm,с3 (Е, + E,)* - (р. + Рә)°е, т;

show that the sum of the squared invariant masses is

3 m,c+ m, ' + mj1ed-EGMΣmξd. + mž c ΕOM +Σπ'. i=1

m,3 (, + E,)* - (. + ), ; 3 m,c+ m, ' + mj1ed-EGMmd. + m c OM +'. i=1

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