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Detection of high-energy (~> 100 MeV) gamma rays by the Fermi Large AreaTelescope (LAT) from a nova in the symbiotic binary system V407 Cygni hasopened possibility of high-energy neutrino detection from this type of sources.Thermonuclear explosion on the white dwarf surface sets off a nova shell inmotion that expands and slows down in a dense surrounding medium provided bythe red giant companion. Particles are accelerated in the shocks of the shell,and interact with surrounding medium to produce observed gamma rays. We showthat proton-proton interaction, which is most likely responsible for producinggamma rays via neutral pion decay, produces ~> 0.1 GeV neutrinos that can bedetected by the current and future experiments at ~> 10 GeV.

High Energy Neutrinos from Novae in Symbiotic Binaries: The Case of V407 Cygni