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Effects of random matter density fluctuations on the neutrino oscillation transition probabilities in the Earth
KTH, Superseded Departments, Physics.ORCID iD: 0000-0002-3525-8349
KTH, Superseded Departments, Physics.
2002 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 532, no 04-mar, 259-266 p.Article in journal (Refereed) Published
Abstract [en]

In this Letter, we investigate the effects of random fluctuations of the Earth matter density for long baselines on the neutrino oscillation transition probabilities. We especially identify relevant parameters characterizing the matter density noise and calculate their effects by averaging over statistical ensembles of a large number of matter density profiles. For energies and baselines appropriate to neutrino factories, absolute errors on the relevant appearance probabilities are at the level of \DeltaP(alphabeta)\ similar to 10(-4) (with perhaps \P-mue similar to 1% for neutrinos), whereby a modest improvement in understanding of the geophysical data should render such effects unimportant.

Place, publisher, year, edition, pages
2002. Vol. 532, no 04-mar, 259-266 p.
Keyword [en]
neutrino oscillations, matter effects, Earth's matter density profile, long baseline neutrino experiments, base-line, parametric-resonance, atmospheric neutrinos, 3 flavors, profile, physics, solar, amplification, mantle, core
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-21514DOI: 10.1016/S0370-2693(02)01580-0ISI: 000175352500016OAI: diva2:340212
Swedish Research Council, F 650-19981428/2001
QC 20100525Available from: 2011-06-21 Created: 2010-08-10 Last updated: 2011-06-21Bibliographically approved

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