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Phys. Rev. D 40, 263–266 (1989)

Search for the production of fractionally charged particles in e+e- annihilations at s=10.5 GeV

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T. Bowcock et al.
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Received 29 March 1989; published in the issue dated 1 July 1989

We report the results of a search for particles with electric charge Q=2/3e produced in e+e- annihilations at W=10.5 GeV. The ratio of the cross section for the inclusive production of fractionally charged particles (q) to the dimuon point cross section, Rq=σ(e+e-qX)/σ(e+e-μ+μ-), is found to have an upper limit at 90% confidence level of 1.0×10-4 for masses less than 3.5 GeV/c2.

© 1989 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.40.263
DOI:
10.1103/PhysRevD.40.263
PACS: