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user7077252

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 3 years, 6 months
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  • Last seen Apr 10 at 9:47

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7 Finding the amplitude for the pair production $\gamma(p_1) + \gamma (p_2) \to e^- (p_3) + e^+ (p_4)$ Jun 1 '20
4 What are ordinary mass-terms (of neutrinos)? Jun 15 '20
4 Understanding the proof of the “Photon-Decoupling Identity” for colour-ordered Yang-Mills amplitudes Apr 17 '20
3 Why does the observation of $Z$-boson decay imply active neutrinos to be heavy? May 24 '20
3 How is the helicity fixed by little group scaling? Mar 20 '20
3 What is the general form of the Friedmann-Robertson-Walker metric in 4D? May 29 '20
3 Deriving the number of loops and number of lines meeting at a vertex in a diagram May 30 '20
2 Is this formula for the Hubble expansion rate always correct? Aug 2 '20
2 What is the meaning of a Fermi blocking effect? Jun 27 '20
2 What is a neutrino state if not a particle? Aug 30 '20
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