Neutrino propagation in a random magnetic field

Sarira Sahu
1997 Physical Review D, Particles and fields  
The active-sterile neutrino conversion probability is calculated for neutrino propagating in a medium in the presence of random magnetic field fluctuations. Necessary condition for the probability to be positive definite is obtained. Using this necessary condition we put constraint on the neutrino magnetic moment from active-sterile electron neutrino conversion in the early universe hot plasma and in supernova.
doi:10.1103/physrevd.56.4378 fatcat:oyugylwrcjdhldsxyg4w3x2sr4