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1-3 leptonic mixing and the neutrino oscillograms of the Earth
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2007 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 5, 077- p.Article in journal (Refereed) Published
Abstract [en]

We develop a detailed and comprehensive description of neutrino oscillations driven by the 1-3 mixing in the matter of the Earth. The description is valid for the realistic (PREM) Earth density profile in the whole range of nadir angles and for neutrino energies above 1 GeV. It can be applied to oscillations of atmospheric and accelerator neutrinos. The results are presented in the form of neutrino oscillograms of the Earth, i.e. the contours of equal oscillation probabilities in the neutrino energy-nadir angle plane. A detailed physics interpretation of the oscilligrams, which includes the MSW peaks, parametric ridges, local maxima, zeros and saddle points, is given in terms of the amplitude and phase conditions. Precise analytic formulas for the probabilities are obtained. We study the dependence of the oscillation pattern on theta(13) and find, in particular, that the survival probability P-ee < 1/2 appears for sin(2) 2 theta(13) as small as similar to 0.009. We consider the dependence of the oscillation pattern on the matter density profile and comment on the possibility of the oscillation tomography of the Earth.

Place, publisher, year, edition, pages
2007. no 5, 077- p.
Keyword [en]
neurtino oscillations, matter effects, 1-3 leptonic mixing
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-35942DOI: 10.1088/1126-6708/2007/05/077ISI: 000247030800077ScopusID: 2-s2.0-34547606300OAI: diva2:429958
QC 20110706Available from: 2011-07-06 Created: 2011-07-06 Last updated: 2011-07-06Bibliographically approved

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