Uploaded December 2019 | Updated September 2026, 4 days ago
In this video, I give a detailed derivation of the famous Bethe-Heitler formula.
My Quantum Field Theory Lecture Series:
youtube.com/playlist?list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou
Differential Scattering Cross Sections In Quantum Field Theory:
youtube.com/watch?v=HqOetWTHeGs
Decay Rates In Quantum Field Theory:
youtube.com/watch?v=aG3sAWnTtu4
How To Derive The Feynman Rules For QED:
youtube.com/watch?v=ToL-37wnHZw
Superfluid Helium Resonance Experiment video:
youtu.be/unUNQNmuvUQ
More Standard Scattering Calculations:
Moller Scattering:
youtube.com/watch?v=958rOCOvg8A
Compton Scattering:
youtube.com/watch?v=G8Ik80AUYh0
The coulombic virtual photon Feynman rule that I gave should only have one factor of e in it, not two. The Feynman rule was not used in the calculation, so this effects none of the derivation.
There is one tiny detail that I forgot to add. Whenever I use the absolute value sign on a vector, I mean the Euclidean magnitude of the three-vector. With this, everything is correct. I should have just used a consistent notation, but I can't catch every minute detail in a video this complicated when working alone (as I am on videos for this channel). Fortunately, nothing is technically inaccurate.
In this video, I give a detailed derivation of the famous Bethe-Heitler formula.
My Quantum Field Theory Lecture Series:
youtube.com/playlist?list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou
Differential Scattering Cross Sections In Quantum Field Theory:
youtube.com/watch?v=HqOetWTHeGs
Decay Rates In Quantum Field Theory:
youtube.com/watch?v=aG3sAWnTtu4
How To Derive The Feynman Rules For QED:
youtube.com/watch?v=ToL-37wnHZw
Superfluid Helium Resonance Experiment video:
youtu.be/unUNQNmuvUQ
More Standard Scattering Calculations:
Moller Scattering:
youtube.com/watch?v=958rOCOvg8A
Compton Scattering:
youtube.com/watch?v=G8Ik80AUYh0
The coulombic virtual photon Feynman rule that I gave should only have one factor of e in it, not two. The Feynman rule was not used in the calculation, so this effects none of the derivation.
There is one tiny detail that I forgot to add. Whenever I use the absolute value sign on a vector, I mean the Euclidean magnitude of the three-vector. With this, everything is correct. I should have just used a consistent notation, but I can't catch every minute detail in a video this complicated when working alone (as I am on videos for this channel). Fortunately, nothing is technically inaccurate.
