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Observation of the suppressed ADS modes B →[πKππ]DKand B →[πKππ]Dπ

Abstract:

An analysis of B → DK and B → Dπ decays is presented where the D meson is reconstructed in the four-body nal state Kπππ. Using LHCb data corresponding to an integrated luminosity of 1.0fb1, rst observations are made of the suppressed ADS modes B →[πKππ]D K and B → [πKππ]Dπ with a signicance of 5.1σ and greater than 10σ, respectively. Measurements of CP asymmetries and CP-conserving ratios of partial widths from this family of decays are also performed. The magnitude of the ratio between the s...

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Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume:
723
Issue:
1-3
Pages:
44-53
Publication date:
2013-06-10
ISSN:
0370-2693
URN:
uuid:5de4eecd-83cd-4a4a-a195-c6561d570ce4
Source identifiers:
439006
Local pid:
pubs:439006

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