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Article overview
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Search for neutrinoless tau decays tau -> 3l and tau -> l K0S | | Y. Yusa
; H. Hayashii
; T. Nagamine
; A. Yamaguchi
; Belle collaboration
; | | Date: |
7 Nov 2002 | | Journal: | eConf C0209101 (2002) TU13 | | Subject: | hep-ex | | Abstract: | Neutrinoless tau-lepton decays into either three leptons (tau- -> l1- l2 l3) or one lepton and one K0S meson(tau- -> l- K0S) where lepton l means either an electron or muon, have been searched for using 48.6 fb^{-1} of data collected with the Belle detector at the KEKB e+e- collider. No evidence for candidate decays are found in any channel. Therefore we set 90% confidence level upper limits on the branching fraction for 8 different decay modes. These limits are more stringent than those set previously and reach to the 10^{-7} level. | | Source: | arXiv, hep-ex/0211017 | | Services: | Forum | Review | PDF | Favorites | |
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