Consider the process e e at energies much larger than the masses Evaluate the spatial distance between the two vertices of the diagram Fig 5 19 in the CM reference frame and in the reference frame in which the electron is at rest s channel t channel Photon exchange in s and t channels

Question: Consider the process e + + e - + + - at energies much larger than the masses. Evaluate the spatial distance

Consider the process e⁺ + e^- → μ⁺ + μ^- at energies much larger than the masses. Evaluate the spatial distance between the two vertices of the diagram Fig. 5.19

s channel t channel Photon exchange in s and t channels.

in the CM reference frame and in the reference frame in which the electron is at rest.

s channel t channel Photon exchange in s and t channels.

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