A search for neutrinoless tau decays to three leptons

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Title: A search for neutrinoless tau decays to three leptons
Author: Kolb, Jeffrey A., 1979-
Abstract: Using approximately 350 million à + à - pair events recorded with the BaBar detector at the Stanford Linear Accelerator Center between 1999 and 2006, a search has been made for neutrinoless, lepton-flavor violating tau decays to three lighter leptons. All six decay modes consistent with conservation of electric charge and energy have been considered. With signal selection efficiencies of 5-12%, we obtain 90% confidence level upper limits on the branching fraction B (à [arrow right] [cursive l][cursive l][cursive l]) in the range (4 - 8) à 10 -8 .
Description: xix, 140 p. ; ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.
URI: http://hdl.handle.net/1794/8333
Date: 2008-06

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