Phys. Rev. Lett. 85, 1166–1169 (2000)Probing Possible Decoherence Effects in Atmospheric Neutrino OscillationsReceived 14 February 2000; published in the issue dated 7 August 2000 It is shown that the results of the Super-Kamiokande atmospheric neutrino experiment, interpreted in terms of νμ↔ντ flavor transitions, can probe possible decoherence effects induced by new physics (e.g., by quantum gravity) with high sensitivity, supplementing current laboratory tests based on kaon oscillations and on neutron interferometry. By varying the (unknown) energy dependence of such effects, one can either obtain strong limits on their amplitude or use them to find an unconventional solution to the atmospheric ν anomaly based solely on decoherence. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.1166
DOI:
10.1103/PhysRevLett.85.1166
PACS:
14.60.Pq, 03.65.Bz, 04.60.-m
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