Volume 84, Number 4, November 2008
|Number of page(s)||4|
|Section||The Physics of Elementary Particles and Fields|
|Published online||14 November 2008|
Neutrino orbital angular momentum in a plasma vortex
IPFN and CFIF, Instituto Superior Técnico - 1049-001 Lisboa, Portugal, EU
2 Swedish Institute of Space Science, Angstrom Laboratory - P.O. Box 537, SE-571 21 Uppsala, Sweden, EU
Corresponding author: firstname.lastname@example.org
Accepted: 16 October 2008
It is shown that an electron-neutrino beam, propagating in a background plasma, can be decomposed into orbital momentum (OAM) states, similar to the OAM photon states. Coupling between different OAM neutrino states, in the presence of a plasma vortex, is considered. We show that plasma vorticity can be transfered to the neutrino beam, which is relevant to the understanding of the neutrino sources in astrophysics. Observation of neutrino OAM states could eventually become possible.
PACS: 13.15.+g – Neutrino interactions
© EPLA, 2008
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