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APS » Journals » Phys. Rev. Lett. » Volume 35 » Issue 22
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Phys. Rev. Lett. 35, 1489–1492 (1975)

Evidence for Anomalous Lepton Production in e+-e- Annihilation

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M. L. Perl et al.
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Received 18 August 1975; published in the issue dated 1 December 1975

We have found events of the form e++e-→e±+μ∓+missing energy , in which no other charged particles or photons are detected. Most of these events are detected at or above a center-of-mass energy of 4 GeV. The missing-energy and missing-momentum spectra require that at least two additional particles be produced in each event. We have no conventional explanation for these events.

© 1975 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.35.1489
DOI:
10.1103/PhysRevLett.35.1489
PACS:
 
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