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. 2010 Apr;86(4):303–321. doi: 10.2183/pjab.86.303

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© 2010 The Japan Academy

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4 — Calculated zenith angle dependence of the atmospheric neutrino flux for several neutrino energy ranges at Kamioka by three independent groups.⁹⁾^–¹¹⁾ While there is an enhancement of the flux near the horizon, the up-down symmetry is predicted in the energy range above a few GeV.