We investigate whether flavor changing neutrino interactions (FCNIs) can be sufficiently large to provide a viable solution to the atmospheric neutrino problem. Effective operators induced by heavy boson exchange that allow for flavor changing neutrino sca
[35]C.S.Woodetal.,Science2,75,1759(1997);S.C.BennettandC.E.Wieman,Phys.
Rev.Lett.82,2484(1999);N.H.Edwards,S.J.Phipp,P.E.G.Baird,andS.Nakayama,Phys.Rev.Lett.74,2654(1995);P.A.Vetter,etal.,Phys.Rev.Lett.74,2658(1995).
[36]T.Yanagida,ProceedingsoftheWorkshoponUni edTheoryandBaryonNumberin
theUniverse,(KEK,Japan,1979);
M.Gell-Mann,R.SlanskyandP.Ramond,Supergravity,(NorthHolland1979)346.
[37]J.SchechterandJ.W.F.VallePhys.Rev.D22,2227(1980);
ngackerandD.London,Phys.Rev.D38,907(1988),andreferencestherein.
[38]E.Nardi,E.RouletandD.Tommasini,Phys.Lett.B344,225(1995);
C.P.Burgessetal.,Phys.Rev.D49,6115(1994);
ngackerandD.London,Phys.Rev.D38,886(1988).
[39]S.Pakvasa,hep-ph/9905426.