(a) Draw all the lowest-order diagrams for A + A rightarrow A + A. (There are si

Question

(a) Draw all the lowest-order diagrams for A + A rightarrow A + A. (There are six of them.) (b) Find the amplitude for this process, in lowest order, assuming m_g = m_c = 0. Leave your answer in the form of an integral over one remaining four-momentum, q. Calculate d sigma/d ohm for A + A rightarrow B + B, in the CM frame, assuming m_B = m_C = 0. Find the total cross section, sigma. Find d sigma/d ohm and sigma for A + A rightarrow B + B in the lab frame. (target A at res). Assume m_B = m_C = 0, and the incident A is nonrelativistic. Express your answer in terms of the mass (m) and speed (v) of the incident particle, and keep only the lowest order (in v/c

Explanation / Answer

Solution of 6.12 and 6.12 b is shown below. Respective figures are also shown in the question.

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