K. Greisen, Phys. Rev. Lett
1966
Earlier work this paper cites.
V. S. Berezinsky and G. T. Zatsepin, Phys. Lett
1969
Earlier work this paper cites.
Z. Maki, M. Nakagawa and S. Sakata, Prog. Theoret. Phys
1977
Earlier work this paper cites.
Y. Chikasige, R. Mohapatra and R. Peccei, Phys. Rev. Lett
1980
Earlier work this paper cites.
G. Gelmini and M. Roncadelli, Phys. Lett
1981
Earlier work this paper cites.
L. Wolfenstein, Nucl. Phys
1982
Earlier work this paper cites.
A wide variety of models with Δ L = 2 \Delta L=2 and/or Δ L = 0 \Delta L=0 for decays of Majorana and Dirac neutrinos have been discussed in the literature: J. Valle, Phys. Lett
1983
Earlier work this paper cites.
K. Hirata et al., Phys. Rev. Lett
1988
Earlier work this paper cites.
J. G. Learned and S. Pakvasa, Astropart. Phys
1995
Earlier work this paper cites.
H. Minakata and A. Yu. Smirnov, Phys. Rev
1996
Earlier work this paper cites.
G. Domokos and S. Kovesi-Domokos, Phys. Lett
1997
Earlier work this paper cites.
K. Enqvist, P. Keranen and J. Maalampi, Phys. Lett
1998
Earlier work this paper cites.
P. Keranen, J. Maalampi and J. T. Peltonieni, Phys. Lett
1999
Earlier work this paper cites.
J. G. Learned and K. Mannheim, Ann. Rev. Nucl. Part. Sci
2000
Earlier work this paper cites.
H. Athar, M. Jezabek and O. Yasuda, Phys. Rev
2000
Earlier work this paper cites.
R. L. Awasthi and S. Choubey, Phys. Rev
Original
2000
Earlier work this paper cites.
S. Pakvasa, Physics Potential and Development of Muon Colliders, Mu 99
2000
Earlier work this paper cites.