2. In a Compton scattering event, an incident photon is scattered by a free electron initially at rest. (i) If the scattered photon acquires a wavelength A' (where h is the Plank constant; mẹ is rest mass of electron; c is free-space light velocity), show that the scattered photon propagates in a direction perpendicular to that of the scattered electron. If the scattered electron propagates with kinetic energy 127.8 keV in a direction opposite to that of the scattered photon, as shown in Figure 2. Find the angle 0, and therefore determine wavelengths of the incident and scattered photons, respectively. (ii) 180° – 0 λο Figure 2
2. In a Compton scattering event, an incident photon is scattered by a free electron initially at rest. (i) If the scattered photon acquires a wavelength A' (where h is the Plank constant; mẹ is rest mass of electron; c is free-space light velocity), show that the scattered photon propagates in a direction perpendicular to that of the scattered electron. If the scattered electron propagates with kinetic energy 127.8 keV in a direction opposite to that of the scattered photon, as shown in Figure 2. Find the angle 0, and therefore determine wavelengths of the incident and scattered photons, respectively. (ii) 180° – 0 λο Figure 2
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![2. In a Compton scattering event, an incident photon is scattered by a free electron initially at
rest.
(i)
If the scattered photon acquires a wavelength A'
(where h is the Plank constant;
mẹ is rest mass of electron; c is free-space light velocity), show that the scattered
photon propagates in a direction perpendicular to that of the scattered electron.
If the scattered electron propagates with kinetic energy 127.8 keV in a direction
opposite to that of the scattered photon, as shown in Figure 2. Find the angle 0, and
therefore determine wavelengths of the incident and scattered photons, respectively.
(ii)
180° – 0
λο
Figure 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c98dcee-ed74-496f-9213-19129a8e97ed%2F5ae69c8b-2200-49bd-b6d2-551fb2297bff%2F78boxl.png&w=3840&q=75)
Transcribed Image Text:2. In a Compton scattering event, an incident photon is scattered by a free electron initially at
rest.
(i)
If the scattered photon acquires a wavelength A'
(where h is the Plank constant;
mẹ is rest mass of electron; c is free-space light velocity), show that the scattered
photon propagates in a direction perpendicular to that of the scattered electron.
If the scattered electron propagates with kinetic energy 127.8 keV in a direction
opposite to that of the scattered photon, as shown in Figure 2. Find the angle 0, and
therefore determine wavelengths of the incident and scattered photons, respectively.
(ii)
180° – 0
λο
Figure 2
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