Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-08-30
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages. Talk given at the X International School "Particles and Cosmology", 19-25 April, 1999, Baksan Valley, Kabardino-Balk
Scientific paper
It is shown that a true Nambu-Goldstone (NG) boson develops a coherent long-range field whenever the charge associated with it that is carried by the other particles is not conserved in a macroscopic scale. The source of a NG field is the time rate of quantum number violation. If the lepton numbers are spontaneously broken at a scale below 1 TeV, the neutrino oscillation processes generate long-range majoron fields that are strong enough in Supernovae to modify the neutrino flavor dynamics. Two examples are given: NG fields may improve the adiabaticity of $\nu_{e}\leftrightarrow \nu_{X}$ transitions or cause resonant anti-neutrino oscillations otherwise impossible with solely weak interactions.
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