Evidence for an Excess of B̅ →D[superscript (*)]τ[superscript -]ν̅ [subscript τ] Decays

Based on the full BABAR data sample, we report improved measurements of the ratios R(D[superscript(*)])=B(B̅→D[superscript (*)][bar over τ]ν̅[subscript τ])/B(B̅→D[superscript (*)]ℓ[subscript bar over ℓ]ν̅[subscript ℓ]), where ℓ is either e or μ. These ratios are sensitive to new physics contribution...

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Detalhes bibliográficos
Principais autores: Dujmic, Denis, Sciolla, Gabriella, Cowan, Ray F
Outros Autores: Massachusetts Institute of Technology. Laboratory for Nuclear Science
Formato: Artigo
Idioma:en_US
Publicado em: American Physical Society 2012
Acesso em linha:http://hdl.handle.net/1721.1/75030