Explanation on Negative Mass-Square of Neutrinos
arXiv:hep-ph/0009291
Abstract
It has been known for many years that the measured mass-square of neutrino is probably negative. For solving this puzzle, we have further investigated the hypothesis that neutrinos are superluminal fermions. A new Dirac-type equation is proposed and a tachyonic quantum theory is briefly discussed. This equation is equivalent to two Weyl equations coupled together via nonzero mass while respecting the maximum parity violation, and it reduces to one Weyl equation when the neutrino mass becomes zero.
arXiv commentLatex, no figure, 8 pages, v2. references updated; v3. Misprints corrected; v4. Some discussion added
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