2020
DOI: 10.1103/physrevd.102.051102
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First observation of the decay B0D0D¯<

Abstract: The first observation of the decay B 0 → D 0D0 K þ π − is reported using proton-proton collision data corresponding to an integrated luminosity of 4.7 fb −1 collected by the LHCb experiment in 2011, 2012 and 2016. The measurement is performed in the full kinematically allowed range of the decay outside of the D Ã− region. The ratio of the branching fraction relative to that of the control channel B 0 → D Ã− D 0 K þ is measured to be R ¼ ð14.2 AE 1.1 AE 1.0Þ%, where the first uncertainty is statistical and the … Show more

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Cited by 6 publications
(8 citation statements)
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“…The prediction B(B 0 s → D0 K * 0 → D0 Kπ) = (2.33 +0.94+0.31+0.60+0.25 −0.66−0.13−0.11−0.07 ) × 10 −4 in this work is more close to (3.3 ± 0.3 ± 0.1 ± 0.3 ± 0.5) × 10 −4 in Ref. [21] than other two results from LHCb [11,20]. Furthermore, in Ref.…”
Section: Numerical Results and Discussionsupporting
confidence: 79%
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“…The prediction B(B 0 s → D0 K * 0 → D0 Kπ) = (2.33 +0.94+0.31+0.60+0.25 −0.66−0.13−0.11−0.07 ) × 10 −4 in this work is more close to (3.3 ± 0.3 ± 0.1 ± 0.3 ± 0.5) × 10 −4 in Ref. [21] than other two results from LHCb [11,20]. Furthermore, in Ref.…”
Section: Numerical Results and Discussionsupporting
confidence: 79%
“…By using the decay amplitudes as given in Eq. (13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26) and the differential branching ratio in Eq. ( 27 s Kπ, and about 20% to 40% for other remaining decays.…”
Section: Numerical Results and Discussionmentioning
confidence: 99%
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“…where the first uncertainty arises from the uncertainties propagated from Eq.2 and the second from possible non-factorisable SU(3)-breaking effects, estimated to be 20% [3]. The centre-of mass energy dependence is obtained from a linear fit using the statistical and uncorrelated systematic uncertainties and is found to be = 0.156(6) + 0.0008 (6) √ , where √ is in TeV (Fig.2 -left). The observed trend is in agreement with the LHCb measurement of the dependence upon the collision energy [4].…”
Section: Pos(ichep2020)388mentioning
confidence: 99%
“…Studies of 0 → 0 0 + − 0 → ( * ) ( * ) + − is a family of processes that allow studies of and systems via → transition which occurs with either an external or internal boson emission. [6]. These processes are especially interesting because they allow for measurements of the amplitude structure of the ( * ) ( * ) system and calculation of contribution above the open-charm threshold in → ℓ + ℓ − [7].…”
Section: Studies Of → *mentioning
confidence: 99%