Limits on deeply penetrating particles in the>1017eV cosmic-ray flux
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields1985Vol. 31(9), pp. 2192–2198
Citations Over TimeTop 17% of 1985 papers
R. M. Baltrusaitis, G. L. Cassiday, J. W. Elbert, P. R. Gerhardy, E. C. Loh, Y. Mizumoto, P. Sokolsky, D. Steck
Abstract
We report on a search for deeply penetrating particles in the ${>10}^{17}$ eV cosmic-ray flux using the University of Utah Fly's Eye detector. No such events have been found in 6\ifmmode\times\else\texttimes\fi{}${10}^{6}$ sec of running time. We consequently set limits on the following: quark matter in the primary cosmic-ray flux, high-energy long-lived weakly interacting particles produced in proton-air interactions, such as \ensuremath{\tau}'s; astrophysical neutrino flux; and other hypothetical high-energy weakly interacting components of the cosmic-ray flux such as photinos.
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