Probing large extra dimensions with neutrinos

Gia Dvali, Alexei Y. Smirnov

    Research output: Contribution to journalArticle

    Abstract

    We study implications of theories with sub-millimeter extra dimensions and Mf∼ (1-10) TeV scale quantum gravity for neutrino physics. In these theories, the left-handed neutrinos as well as other standard model (SM) particles, are localized on a brane embedded in the bulk of large extra space. Mixing of neutrinos with (SM) singlet fermions propagating in the bulk is naturally suppressed by the volume factor Mf/Mp ∼ 3 × 10-16-3 × 10-15, where Mp is the Planck mass. Properties of the neutrino oscillations and the resonance conversion to the bulk fermions are considered. We show that the resonance conversion of the electron neutrinos to the light bulk fermions can solve the solar neutrino problem. The signature of the solution is the peculiar distortion of the solar neutrino spectrum. The solution implies that the radius of at least one extra dimension should be in the range 0.06-0.1 mm irrespective of total number of extra dimensions. The corresponding modification of the Newtonian law is within the range of sensitivity of proposed sub-millimeter experiments, thus providing a verifiable link between neutrino physics and the gravity measurements.

    Original languageEnglish (US)
    Pages (from-to)63-81
    Number of pages19
    JournalNuclear Physics, Section B
    Volume563
    Issue number1-2
    StatePublished - Dec 6 1999

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    neutrinos
    fermions
    solar neutrinos
    gravitation
    physics
    signatures
    oscillations
    radii
    electrons

    Keywords

    • Large extra dimensions
    • Solar neutrinos

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Dvali, G., & Smirnov, A. Y. (1999). Probing large extra dimensions with neutrinos. Nuclear Physics, Section B, 563(1-2), 63-81.

    Probing large extra dimensions with neutrinos. / Dvali, Gia; Smirnov, Alexei Y.

    In: Nuclear Physics, Section B, Vol. 563, No. 1-2, 06.12.1999, p. 63-81.

    Research output: Contribution to journalArticle

    Dvali, G & Smirnov, AY 1999, 'Probing large extra dimensions with neutrinos', Nuclear Physics, Section B, vol. 563, no. 1-2, pp. 63-81.
    Dvali G, Smirnov AY. Probing large extra dimensions with neutrinos. Nuclear Physics, Section B. 1999 Dec 6;563(1-2):63-81.
    Dvali, Gia ; Smirnov, Alexei Y. / Probing large extra dimensions with neutrinos. In: Nuclear Physics, Section B. 1999 ; Vol. 563, No. 1-2. pp. 63-81.
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