Can Compton scattering increase the energy of photons?

In summary, Compton scattering is a phenomenon in which a photon loses energy and increases in wavelength through colliding with a charged particle, such as an electron. This increase in energy is caused by the transfer of energy from the photon to the electron. The amount of energy increase is dependent on factors such as the energy and direction of the electron and the initial energy and direction of the photon. Compton scattering has practical applications in fields such as medical imaging, materials science, and particle physics research.
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jim421616
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I've read (in Hagai Netzer's book The Physics and Evolution of Active Galactic Nuclei) that "Comptonization in the [black hole's accretion] disk atmosphere can increase the energy of some photons..."

I thought Compton scattering could only decrease a photon's energy. What am I missing?
 
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  • #2
The electrons are moving.
 
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1. Can Compton scattering increase the energy of photons?

Yes, Compton scattering is a process in which a photon collides with an electron, transferring some of its energy to the electron and resulting in a scattered photon with increased energy.

2. How does Compton scattering affect the energy of photons?

Compton scattering increases the energy of photons by transferring some of their energy to electrons. This results in a decrease in the wavelength of the scattered photon, which is directly proportional to its energy.

3. Is Compton scattering a common phenomenon?

Yes, Compton scattering is a common phenomenon that occurs in a variety of environments, such as in the atmosphere, in outer space, and in laboratory experiments.

4. Can Compton scattering be used to manipulate the energy of photons?

Yes, Compton scattering can be used to manipulate the energy of photons in various applications, such as in medical imaging and radiation therapy.

5. Is Compton scattering a reversible process?

Yes, Compton scattering is a reversible process, meaning that the scattered photon can also collide with an electron and transfer its energy back, resulting in a decrease in the energy of the scattered photon.

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