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Published April 12, 1976 | public
Journal Article Open

Experimental Comparison of Neutrino and Muon Velocities

Abstract

The velocities of neutrinos and muons originating from π+ and K+ decays have been compared using the California Institute of Technology-Fermilab detector in a narrow-band neutrino beam. A time-of-flight comparison between positive muons and neutrinos, as indicated by the final-state negative muons in neutrino interactions, yields |βν-βμ|<~0.4×10-3 (99% confidence level). We assume that |1-βμ|<10-5 for these muons.

Additional Information

©1976 The American Physical Society. Received 22 January 1976 It is a pleasure to acknowledge the support and hospitality of Fermilab and its staff, in particular J. Griffin, L. Beverley, R. Stefanski, R. Lundy, J. Sanford, and R.R. Wilson. Additional persons supplied significant help in carrying out this experiment. We especially want to thank K.W. Brown, R. Moyer, K. Nishikawa, M. Shaevitz, J. Lee, Y.K. Chu, P. Dishaw, and H. Kwon.

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Additional details

Created:
August 22, 2023
Modified:
October 16, 2023