ar X iv : h ep - p h / 05 06 20 3 v 2 6 J ul 2 00 5 Neutrino wave function and oscillation suppression .
نویسندگان
چکیده
We consider a thought experiment, in which a neutrino is produced by an electron on a nucleus in a crystal. The wave function of the oscillating neutrino is calculated assuming that the electron is described by a wave packet. If the electron is relativistic and the spatial size of its wave packet is much larger than the size of the crystal cell, then the wave packet of the produced neutrino has essentially the same size as the wave packet of the electron. We investigate the suppression of neutrino oscillations at large distances caused by two mechanisms: 1) spatial separation of wave packets corresponding to different neutrino masses; 2) neutrino energy dispersion for given neutrino mass eigenstates. We resolve contributions of these two mechanisms.
منابع مشابه
ar X iv : h ep - p h / 05 06 20 3 v 1 2 1 Ju n 20 05 Neutrino wave function and oscillation suppression
Wave function of neutrino produced by an electron wave packet hitting a nucleus in crystal is calculated. If the electron is relativistic and the spatial size of its wave packet is much larger than the size of the crystal cell then the wave packet of the produced neutrino has essentially the same size as the wave packet of the electron. We investigate the suppression of neutrino oscillations at...
متن کاملar X iv : h ep - p h / 01 06 19 6 v 2 5 J ul 2 00 1 NEUTRINO SCATTERING IN A MAGNETIC FIELD
Motivated by the evidence for a finite neutrino mass we examine anew the interaction of neutrinos in a magnetic field. We present the rate for radiative scattering for both massless and massive neutrinos in the standard model and give the corresponding numerical estimates. We also consider the effects arising from a possible neutrino magnetic moment.
متن کاملar X iv : h ep - p h / 06 03 00 1 v 1 2 8 Fe b 20 06 NuFact 05 Working Group 2 Summary : Experimental Results in Neutrino Scattering Physics
This paper summarizes the experimental results in neutrino scattering physics as presented in Working Group 2. A summary of the theoretical results is presented in [1].
متن کاملar X iv : h ep - p h / 03 05 16 8 v 2 5 J ul 2 00 3 Neutrino Mixing and the Minimal 3 - 3 - 1 Model
In the minimal 3-3-1 model charged leptons come in a non-diagonal basis. Moreover the Yukawa interactions of the model lead to a non-hermitian charged lepton mass matrix. In other words, the minimal 3-3-1 model presents a very complex lepton mixing. In view of this we check rigorously if the possible textures of the lepton mass matrices allowed by the minimal 3-3-1 model can lead or not to the ...
متن کاملar X iv : h ep - p h / 06 03 05 3 v 1 7 M ar 2 00 6 OUTP - 06 06 P Triviality and the ( Supersymmetric ) See - Saw
For the D = 5 Majorana neutrino mass operator to have a see-saw ultraviolet completion that is viable up to the Planck scale, the see-saw scale is bounded above due to triviality limits on the see-saw couplings. For supersymmetric see-saw models, with realistic neutrino mass textures, we compare constraints on the see-saw scale from triviality bounds, with those arising from experimental limits...
متن کامل