Search for anomalous single-photon production at the e+e− storage ring PEP

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ID: 266706
1986
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Abstract
This Letter reports a search for the production by ${e}^{+}$${e}^{\mathrm{\ensuremath{-}}}$ annihilation of a single photon accompanied by particles that interact only weakly in matter. The search was performed at the SLAC ${e}^{+}$${e}^{\mathrm{\ensuremath{-}}}$ storage ring PEP (\ensuremath{\surd}s =29 GeV) with a new detector, ASP. No unexpected signal was observed. The limit ${N}_{\ensuremath{\nu}}$14 (90% C.L.) is placed on the number of light neutrino species, and the mass of scalar electrons predicted by theories of supersymmetry is constrained to ${m}_{e\ifmmode \tilde{}\else \~{}\fi{}}$>51 GeV/${c}^{2}$ (90% C.L.) for ${m}_{\ensuremath{\gamma}\ifmmode \tilde{}\else \~{}\fi{}}$=0 and degenerate e\ifmmode \tilde{}\else \~{}\fi{} mass states.
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bartha1986physicalsearch Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors G. Bartha;D. L. Burke;P. Extermann;P. Garbincius;C. A. Hawkins;R. J. Hollebeek;M. J. Jonker;L. Keller;C. Matteuzzi;N. A. Roe;T. R. Steele;R. J. Wilson;A. S. Johnson;J. S. Whitaker;C. Hearty;J. E. Rothberg;K. K. Young;
Journal physical review letters
Year 1986
DOI
doi:10.1103/PhysRevLett.56.685
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