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First study of the CP-violating phase and decay-width difference in decays
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文摘
A time-dependent angular analysis of View the MathML source decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of View the MathML source collected during Run 1 of the LHC. The CP  -violating phase and decay-width difference of the View the MathML source system are measured to be View the MathML source and View the MathML source, respectively, where the first uncertainty is statistical and the second systematic. This is the first time that ϕs and ΔΓs have been measured in a decay containing the ψ(2S) resonance.

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