Published July 1, 1987
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Search for fractionally charged particles
Abstract
An ion source and a charge spectrometer system have been used to search in solid, stable matter for particles with nonintegral charge. Samples of niobium, tungsten, selenium, and meteorites were searched for fractionally charged particles with effective nuclear charge Z=N+(1/3e (N=0,1,...), and Z=N+(2/3e (N=0,1). No positive signal was observed and concentration limits are reported.
Additional Information
©1987 The American Physical Society. Received 4 September 1986. We would like to thank Dr. George Zweig for his support and advice throughout this experiment, and for providing us with the selenium samples. We acknowledge Mr. Wilfred Schick for his engineering and mechanical expertise in constructing most of the apparatus. We would also like to thank Dr. D. Papanastassiou, Dr. J. Yang, and Professor S. Epstein for providing us with the meteorite samples. This research was supported by the National Science Foundation under Grants Nos. PHY82-15500 and PHY85-05682 and by the California Institute of Technology Sloan Fund.Files
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- CaltechAUTHORS:MILprd87
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