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Quasielastic neutrino scattering from oxygen and the atmospheric neutrino problem | | J.Engel
; E. Kolbe
; K. Langanke
; P. Vogel
; | | Date: |
22 Apr 1993 | | Journal: | Phys.Rev. D48 (1993) 3048-3054 | | Subject: | nucl-th hep-ph | | Abstract: | We examine several phenomena beyond the scope of Fermi-gas models that affect the quasielastic scattering (from oxygen) of neutrinos in the 0.1 -- 3.0 GeV range. These include Coulomb interactions of outgoing protons and leptons, a realistic finite-volume mean field, and the residual nucleon-nucleon interaction. None of these effects are accurately represented in the Monte Carlo simulations used to predict event rates due to $mu$ and $e$ neutrinos from cosmic-ray collisions in the atmosphere. We nevertheless conclude that the neglected physics cannot account for the anomalous $mu$ to $e$ ratio observed at Kamiokande and IMB, and is unlikely to change absolute event rates by more than 10--15\%. We briefly mention other phenomena, still to be investigated in detail, that may produce larger changes. | | Source: | arXiv, nucl-th/9304017 | | Services: | Forum | Review | PDF | Favorites | |
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