Question: (1) Consider a pair of quarks with colours R and B and a third quark G. Establish whether the force of the pair on G

(1) Consider a pair of quarks with colours R and B and a third quark G. Establish whether the force of the pair on G is attractive or repulsive for each of the combinations RB + BR and RB - BR. Considering quarks of the same colour, establish which of the following processes are allowed or forbidden, giving the reasons:

(2)W⁺ → b̅_L + c_R and

(3) Z → τ⁺_R+ τ^-_R .

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