Remarks on a Proposed Super-Kamiokande Test for Quantum Gravity Induced Decoherence Effects

Details Remarks on a Proposed Super-Kamiokande Test for Quantum Gravity Induced Decoherence Effects Remarks on a Proposed Super-Kamiokande Test for Quantum Gravity Induced Decoherence Effects

2000-05-22

arxiv.org/abs/hep-ph/0005220v2

Phys.Rev. D62 (2000) 117901

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, plain Tex, no figures

Scientific paper

10.1103/PhysRevD.62.117901

Lisi, Marrone, and Montanino have recently proposed a test for quantum gravity induced decoherence effects in neutrino oscillations observed at Super-Kamiokande. We comment here that their equations have the same qualitative form as the energy conserving objective state vector reduction equations discussed by a number of authors. However, using the Planckian parameter value proposed to explain state vector reduction leads to a neutrino oscillation effect many orders of magnitude smaller than would be detectable at Super-Kamiokande. Similar estimates hold for the Ghirardi, Rimini, and Weber spontaneous localization approach to state vector reduction, and our remarks are relevant as well to proposed $K$ meson and $B$ meson tests of gravity induced decoherence.

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