What is the Wavelength of the Scattered Photon in a Collision?

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    Collision Wavelength
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Discussion Overview

The discussion revolves around determining the wavelength of a photon scattered in a collision with a free electron, specifically in the context of Compton scattering. Participants explore the implications of the electron acquiring maximum energy during the collision with a photon of energy 4 x 10^3 eV.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant expresses confusion about how to relate the initial photon energy to the wavelength of the scattered photon, referred to as "lambda prime."
  • Another participant suggests that the problem involves Compton scattering and hints at the direction of the photon and electron after the collision as relevant to maximum kinetic energy transfer.
  • A later reply indicates that the initial participant has understood the hint provided regarding the scattering process.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the specific calculations or implications of "maximum energy" in the context of the problem, and the discussion remains exploratory.

Contextual Notes

The discussion does not clarify the assumptions regarding the definitions of energy transfer or the specific conditions under which maximum energy is acquired by the electron.

Who May Find This Useful

Students or individuals studying Compton scattering, photon-electron interactions, or those seeking to understand energy transfer in particle collisions may find this discussion relevant.

Damascus Road
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Hey all,

A physics example I'm working on to do some studying. The example is as follows:

What is the wavelength of the scattered photon when a free electron (initially stationary) acquires maximum energy in a collision with a photon of energy 4 x 10^3 eV?

My problem is this: it seems anything I do only deals with the photon of energy 4 x 10^3 eV. i.e. I can find the frequency using the relation E=hf and then lambda using lambda = c/f, but none of that relates to " lambda prime". Help?

Thanks in advance.
 
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to add... I have a feeling that the electron acquires "maximum energy" means something, that I am not picking up...
 
This looks like a Compton scattering problem. Hint: In a collision that delivers the maximum possible KE to the electron, in what direction would you expect the photon to emerge (and which direction does the electron recoil)?
 
got it, thanks!
 

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