Assertion: tau neutrino | /r/AtLocation | its natural state
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Source sentences:
text: When the [phi]-particle's mass is zero ([m.sub.0] = 0), the Tau-neutrino is in its natural state of being an Tau-neutrino and when the mass of the [phi]-particle is negative (-[m.sub.0]), the Tau-neutrino enters the Electron-neutrino state and likewise, when mass of the [phi]-particle is positive (+[m.sub.0]), Muon-neutrino enters the [mu]-neutrino state.