Problem A3*: An electron with unknown energy scatters elastically from a proton target. The angles and momenta of the sc

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Problem A3 An Electron With Unknown Energy Scatters Elastically From A Proton Target The Angles And Momenta Of The Sc 1 (82.96 KiB) Viewed 149 times

Problem A3*: An electron with unknown energy scatters elastically from a proton target. The angles and momenta of the scattered particles are all measured. Show that the incident energy, Ee, can be determined two ways: a) Ee = pe' cot 0e + pp cot Op and b) Ee = mp (cotcot p - 1), where Pe' and Pp are the momenta of the scattered electron and proton, respectively and 0 and ₂ are their respective scattering angles. Assume that the the incident energy is much greater than the electron mass (Ee » me). You may also need A sin A cot 2 1 - cos A =