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Proposal for testing lepton universality in upsilon decays at a B factory running at Υ(3S)

AuthorsSanchís Lozano, Miguel Ángel
KeywordsNew physics
B factories
Non-standard Higgs
Upsilon decays
Lepton universality
Issue Date10-Apr-2007
PublisherPhysical Society of Japan
CitationJournal of the Physical Society of Japan 76: 044101 (2007)
AbstractA proposal is presented for detecting new physics at a B factory running at the Υ(3S) resonance by testing lepton universality to the few percent level in the leptonic decays of the Υ(1S) and Υ(2S) resonances tagged by the dipion in the chain decay: Υ(3S) -> π(+)π(-)Υ(1S,2S); Υ(1S,2S) -> l(+)l(-), l = e, μ, τ.
Description5 pages, 2 figures.-- ISI Article Identifier: 000246082600022.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0610046
Contributed paper to The International Workshop on B Factories and New Measurements (BNM2006), September 13-14, 2006, KEK, Tsukuba, Japan.
Publisher version (URL)http://dx.doi.org/10.1143/JPSJ.76.044101
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