42. Derive the Compton shift equation, Equation 39.13, by applying conservation principles for energy and momentum the collision shown in Figure 39.13. Assume that the elec- tron is free and initially at rest. X-rays are scattered at various angles by electrons in a target. In such a scattering event, a shift in waveleng th is observed for the scattered x-rays, a phenomenon known as the Compton effect. Classical physics does not predict the correct behavior in this effect. If the x-ray is treated as a photon, conservation of energy and linear momen- tum applied to the photon-electron collisions yields, for the Compton shift, h (1- cos 0) тс (39.13) where m, is the mass of the electron, c is the speed of light, and 0 is the scattering angle.

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42. Derive the Compton shift equation, Equation 39.13, by
applying conservation principles for energy and momentum
the collision shown in Figure 39.13. Assume that the elec-
tron is free and initially at rest.
Transcribed Image Text:42. Derive the Compton shift equation, Equation 39.13, by applying conservation principles for energy and momentum the collision shown in Figure 39.13. Assume that the elec- tron is free and initially at rest.
X-rays are scattered at various angles by electrons in a target. In such a scattering
event, a shift in waveleng th is observed for the scattered x-rays, a phenomenon known
as the Compton effect. Classical physics does not predict the correct behavior in this
effect. If the x-ray is treated as a photon, conservation of energy and linear momen-
tum applied to the photon-electron collisions yields, for the Compton shift,
h
(1- cos 0)
тс
(39.13)
where m, is the mass of the electron, c is the speed of light, and 0 is the scattering
angle.
Transcribed Image Text:X-rays are scattered at various angles by electrons in a target. In such a scattering event, a shift in waveleng th is observed for the scattered x-rays, a phenomenon known as the Compton effect. Classical physics does not predict the correct behavior in this effect. If the x-ray is treated as a photon, conservation of energy and linear momen- tum applied to the photon-electron collisions yields, for the Compton shift, h (1- cos 0) тс (39.13) where m, is the mass of the electron, c is the speed of light, and 0 is the scattering angle.
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