/ Phenomenology-HEP hep-ph/0611202


Time-to-Space Conversion in Neutrino Oscillations


Shirokov, Mikhail I. (Dubna, JINR) ; Naumov, Vadim A. (Dubna, JINR)

Published in: Concepts Phys.
Year: 2007
Vol.: 4
Page No: 121-138
Pages: 14

Abstract: We study the neutrino oscillation problem in the framework of the wave packet formalism. The neutrino state is described by a packet located initially in a region S (source) and detected in another region D at a distance R from S. We examine how the oscillation probability as a function of variable R can be derived from he oscillation probability as a function of time t, the latter being found by using the Schrodinger equation. We justify the known prescription t --> R/c without referring to a specific form of the neutrino wave packet and only assuming the finiteness of its support. The effect of the oscillation damping at large R is revealed. For an illustration, an explicit expression for the damping factor is obtained using Gaussian packet.

Keyword(s): neutrino ; oscillations ; wave packets

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