Barish, B. C. and Bartlett, J. F. and Buchholz, D. and Humphrey, T. and Merritt, F. S. and Nagashima, Y. and Sciulli, F. J. and Shields, D. and Suter, H. and Krafczyk, G. and Maschke, A. (1973) Mass Limit on a Positively Charged Heavy Muon. Physical Review Letters, 31 (6). pp. 410-413. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:BARprl73b
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We report a preliminary search for a positively charged lepton (Y+) coupled directly to the μ- and νμ (i.e., muon number = + 1). Using the production process νμ+N→Y++anything, we have looked for the μ+ from the decay Y+→μ++νμ+νμ. The expected number of μ+ events is given as a function of the heavy-lepton mass, the branching fraction to muons, and the heavy-lepton coupling. For typical gauge-theory predictions, we obtain the 90% confidence limit MY>2 GeV/c^2.
|Additional Information:||©1973 The American Physical Society. Received 6 June 1973. We appreciate the support of the National Accelerator Laboratory staff, in particular members of the Neutrino Laboratory. Work supported in part by the U.S. Atomic Energy Commission. Prepared under Contract No. AT(11-1)-68 for the San Francisco Operations Office, U.S. Atomic Energy Commission. [H.S. was a] Swiss Fund for Scientific Research Fellow.|
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|Deposited On:||29 Jul 2008 18:16|
|Last Modified:||26 Dec 2012 10:11|
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