Re: What composes the mass of an electron?

AS I WROTE BEFORE, THEY KNOW NOTHING!
Best explanation: It exists, and we measured its mass. Ask me in 100
years. Period.
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https://www.quora.com/What-makes-up-the-mass-of-an-electron
Andy Buckley
Prof in particle physics, visiting researcher at CERN.
Author has 376 answers and 842.4K answer views
The particle physics answer is not far away from “it just is”. As far as
we know, an electron is a fundamental particle with no internal
structure, so its mass isn’t defined by the energy of a force field that
binds it together (as is mostly the case for protons and neutrons).
For somewhat arcane theory reasons, we cannot write down electron mass
directly in the governing equations of the Standard Model but instead
need to play a trick called the Higgs mechanism. This tells us that the
electron gains its mass dynamically, by interacting with an omnipresent
Higgs field. So mass is to some extent a measure of how much the
electron field and the Higgs field like to talk to each other.
And why does the electron like to talk to the Higgs field that much,
while its heavier siblings the muon and tau talk to it a lot more? And
it's much heavier cousins the bottom and top quarks apparently have it
on speed-dial? We don’t know. Yet.
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