What did we learn about Vub from B decays?

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The Standard Model of electroweak interactions demands the presence of a non-zero coupling between the b and the u quark in order to be able to explain CP violation in a natural way. The experimental searches reported so far have been unsuccessful in finding positive evidence for this transition, in spite of the wealth of B decay modes investigated. However there are promising hints coming from the preliminary results of the 1987 CLEO semileptonic spectrum which will be presented. The close interplay between accurate experimental results and more reliable theoretical models for B decays will be discussed.

Original languageEnglish (US)
Pages (from-to)270-275
Number of pages6
JournalNuclear Physics B (Proceedings Supplements)
Issue numberC
StatePublished - Feb 1990
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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