Barish, B. C. and Bartlett, J. F. and Buchholz, D. and Merritt, F. S. and Sciulli, F. J. and Shields, D. and Suter, H. and Krafczyk, G. (1974) Gauge-Theory Heavy Muons: An Experimental Search. Physical Review Letters, 32 (24). pp. 1387-1390. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:BARprl74a
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We have observed 1522 neutrino events with a μ- secondary and 8 events with a μ+ secondary from a beam consisting mostly of neutrinos. The μ+ events are consistent in number and kinematic properties with beam contamination by ν̅ μ. This experiment sees no evidence for production of heavy positively charged leptons. Assuming a coupling constant equal to the universal Fermi constant and a branching ratio to muons B=0.3, our 90% confidence lower limit corresponds to MY+≳8.4 GeV/c^2.
|Additional Information:||©1974 The American Physical Society. Received 1 April 1974. Work supported in part by the U.S. Atomic Energy Commission. Prepared under Contract AT(11-1)-68 for the San Francisco Operations Office, U.S. Atomic Energy Commission. [H.S. was a] Swiss National Fund for Scientific Research Fellow.|
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|Deposited On:||29 Jul 2008 17:11|
|Last Modified:||26 Dec 2012 10:11|
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