Post by Peter Percival
Do the neutrinos have mass, or not? Some texts say yes (but small) some
Note that “no mass” is a shorthand expression for “mass equals zero (units
The experimentally confirmed neutrino oscillation requires neutrinos to have
a small, non-zero mass. If that is so, then the standard model of particle
physics (SM), which requires them to have mass zero, is incomplete.
For that reason and other reasons, extensions to the SM, such as SUSY
(supersymmetry), are being tested, e.g. at particle accelerators like the
Large Hadron Collider (LHC).
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