G Gelmini, DN Schramm, JWF Valle - Phys. Lett., B;(Netherlands), 1984 - osti.gov
It is shown that the existence of majorons, which enable a heavy neutrino, 500 eV< or
approx. msub (.. nu.. H)< or approx. 25 keV to decay into a light neutrino msub (.. nu.. q)< or …