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Títol:
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Improved Measurement of CP Violation in Neutral B Decays to c¯cs
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Autor/a:
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Garra Ticó, Jordi; Graugés Pous, Eugeni; BABAR Collaboration
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Altres autors:
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Universitat de Barcelona |
Abstract:
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We present updated measurements of time-dependent C P asymmetries in fully-reconstructed neutral B decays to several C P eigenstates containing a charmonium meson. The measurements use a data sample of ( 383 ± 4 ) × 10 6 Υ ( 4 S ) → B ¯¯¯ B decays collected with the BABAR detector at the PEP-II B factory. We determine sin 2 β = 0.714 ± 0.032 ( stat ) ± 0.018 ( syst ) and | λ | = 0.952 ± 0.022 ( stat ) ± 0.017 ( syst ) . |
Matèries:
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-Física de partícules -Experiments -Particle physics -Experiments |
Drets:
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(c) American Physical Society, 2007
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Tipus de document:
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Article Article - Versió publicada |
Publicat per:
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American Physical Society
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