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Photons Q₁. A single photon of 5 MeV undergoes Compton scattering. If the scattering angle is 30°, what's the energy of the photon? And of the electron? What's the Compton shift?

Photons Q₁. A single photon of 5 MeV undergoes Compton scattering. If the scattering angle is 30°, what's the energy of the photon? And of the electron? What's the Compton shift?

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Photons Q₁. A single photon of 5 MeV undergoes Compton scattering. If the scattering angle is 30°, what's the energy of the photon? And of the electron? What's the Compton shift? Answers: a) E'=2.3 MeV; b) Ee' = 2.7 MeV; c) Aλ = 2.76e-4 nm Q2. A radioactive point-like source, which emits photons of energy 50 keV, needs to be enclosed in box for radioprotection requirements. Which material would you choose for the box? Can you calculate the thickness required to stop 90% of emitted photons? Answers: a) Lead; b) thickness is 0.025 cm.
Transcribed Image Text:Photons Q₁. A single photon of 5 MeV undergoes Compton scattering. If the scattering angle is 30°, what's the energy of the photon? And of the electron? What's the Compton shift? Answers: a) E'=2.3 MeV; b) Ee' = 2.7 MeV; c) Aλ = 2.76e-4 nm Q2. A radioactive point-like source, which emits photons of energy 50 keV, needs to be enclosed in box for radioprotection requirements. Which material would you choose for the box? Can you calculate the thickness required to stop 90% of emitted photons? Answers: a) Lead; b) thickness is 0.025 cm.
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