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|a Aaij, R.
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|a Abellán Beteta, C.
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|a Adeva, B.
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|a Adinolfi, M.
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|a Aidala, C. A
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|a Ajaltouni, Z.
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|a Akar, S.
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|a Albicocco, P.
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|a Albrecht, J.
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|a Alessio, F.
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|a Alexander, M.
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|a Alfonso Albero, A.
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|a Alkhazov, G.
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|a Alvarez Cartelle, P.
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|a Alves, A. A
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|a Measurement of CP observables in the process B0 → DK*0 with two- and four-body D decays
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|b Springer Berlin Heidelberg,
|c 2021-09-20T17:29:39Z.
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|z Get fulltext
|u https://hdl.handle.net/1721.1/131687
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|a Abstract Measurements of CP observables in B0 → DK∗0 decays are presented, where D represents a superposition of D0 and D¯0$$ {\overline{D}}^0 $$ states. The D meson is reconstructed in the two-body final states K+π−, π+K−, K+K− and π+π−, and, for the first time, in the fourbody final states K+π−π+π−, π+K−π+π− and π+π−π+π−. The analysis uses a sample of neutral B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0 and 1.8 fb−1 collected with the LHCb detector at centre-of-mass energies of s=7,8$$ \sqrt{s}=7,8 $$ and 13 TeV, respectively. First observations of the decays B0 → D(π+K−)K∗0 and B0 → D(π+π−π+π−)K∗0 are obtained. The measured observables are interpreted in terms of the CP -violating weak phase γ.
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