Observation of the suppressed ADS modes and
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文摘
An analysis of and decays is presented where the m>Dm> meson is reconstructed in the four-body final state . Using LHCb data corresponding to an integrated luminosity of , first observations are made of the suppressed ADS modes and with a significance of 5.1m>¦Òm> and greater than 10m>¦Òm>, respectively. Measurements of m>CPm> asymmetries and m>CPm>-conserving ratios of partial widths from this family of decays are also performed. The magnitude of the ratio between the suppressed and favoured amplitudes is determined to be .

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