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Time–energy uncertainty relations for neutrino oscillations and the Mössbauer neutrino experiment

S M Bilenky1, F von Feilitzsch2 and W Potzel2

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Using the Mandelstam–Tamm method we derive time–energy uncertainty relations for neutrino oscillations. We demonstrate that the small energy uncertainty of antineutrinos in a recently considered experiment with recoilless resonant (Mössbauer) production and absorption of tritium antineutrinos is in conflict with the energy uncertainty which, according to the time–energy uncertainty relation, is necessary for neutrino oscillations to happen. Oscillations of Mössbauer neutrinos would indicate a stationary phenomenon where the evolution of the neutrino state occurs in space rather than in time. A Mössbauer neutrino experiment could provide a unique possibility to reveal the true nature of neutrino oscillations.


PACS

96.50.sb Composition, energy spectra and interactions

96.60.Jw Solar interior

14.60.Lm Ordinary neutrinos (nue, numu, nutau)

96.60.Vg Particle emission, solar wind

96.50.Vg Energetic particles

95.30.Cq Elementary particle processes

Subjects

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 9 (September 2008)

Received 20 May 2008

Published 29 July 2008



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