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Quasielastic neutrino scattering from oxygen and the atmospheric neutrino problem

Engel, J. and Kolbe, E. and Langanke­, K. and Vogel, P. (1993) Quasielastic neutrino scattering from oxygen and the atmospheric neutrino problem. Physical Review D, 48 (7). pp. 3048-3054. ISSN 0556-2821.

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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 μ and e neutrinos from cosmic-ray collisions in the atmosphere. We nevertheless conclude that the neglected physics cannot account for the anomalous μ-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.

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Additional Information:©1993 The American Physical Society Received 23 April 1993 We wish to acknowledge useful discussions with E. Beier, G. Brown, F. Cavanna, M. Ericson, T. K. Gaisser, S. Krewald, and T. Stanev. This work was supported in part by National Science Foundation under Grant Nos. PHY91-08011, PHY90-13248, and PHY91-40397 and by Contract No. DE-F603-88ER-40397 with the U.S. Department of Energy.
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Deposited On:16 Jun 2006
Last Modified:26 Dec 2012 08:55

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