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What does it mean for the electron to be absorbed in electron capture?

The Feynman diagram for electron capture would typically be drawn as something like this: (from Wikipedia) and it does look as though an electron absorbs a $\mathrm{W}^+$ and turns into a neutrino, ...
John Rennie's user avatar
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What does it mean for the electron to be absorbed in electron capture?

In electron capture, the system "electron plus proton" is transformed via the weak charged current into the system "neutrino plus neutron.". For an isolated proton and electron, ...
rob's user avatar
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Why do heavy bosons have less range?

What directly affects the ""decay time"" of a virtual boson is not exactly its mass but its energy. Recall that virtual particles are but interpretations of certain terms in the ...
Lourenco Entrudo's user avatar
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How does a $\mu_R^-/\mu_L^+$ decay?

A physical muon is a mass eigenstate. This is a superposition of the left and right chirality components. Because of this, the physical muon can always interact via the weak currents through its left-...
Riley Scott Jacob's user avatar
1 vote

Fermi theory cutoff from unitarity bound

Here is what I came up with, I will leave it here since maybe it could be useful to someone. Following this answer https://physics.stackexchange.com/a/139242/378284 it can be seen that unitarity of ...
onibaku's user avatar
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