期刊
PHYSICAL REVIEW LETTERS
卷 114, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.041601
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资金
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- MPG (Germany)
- SFI (Ireland)
- INFN (Italy)
- MinES (Russia)
- FANO (Russia)
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- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
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- NSF (USA)
- IN2P3 (France)
- KIT (Germany)
- NWO (Netherlands)
- SURF (Netherlands)
- PIC (Spain)
- GridPP (United Kingdom)
- EPLANET
- Marie Sklodowska-Curie Actions
- ERC (European Union)
- Conseil general de Haute-Savoie
- Labex ENIGMASS
- OCEVU, Region Auvergne (France)
- RFBR (Russia)
- XuntaGal (Spain)
- Royal Society (United Kingdom)
- Royal Commission for the Exhibition of 1851 (United Kingdom)
- Direct For Mathematical & Physical Scien
- Division Of Physics [1205805] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1505719] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/L003112/1, 1225314, ST/K001302/1, 1415632, 1299204, ST/K001256/1, ST/L001195/1, ST/M001407/1, LHCb Upgrades, 1511824, ST/N000447/1, ST/M000729/1, ST/L003163/1, 1096173, ST/M001474/1, ST/L003538/1, ST/N000250/1, 1416165, ST/K001310/1 ATLAS, ST/K00137X/1, ST/K001418/1, ST/K001604/1, ST/K000705/1, ST/L003163/1 LHCb Upgrades, ST/H006737/1, ST/K001310/1 LHCb Upgrades, 1369397, 1364044, ST/K003410/1, ST/H00100X/2, 1225304, ST/K001310/1, ST/J004332/1, GRIDPP, ST/L003392/1, ST/K001310/1 ATLAS Upgrades, 1208164, LHCb, PP/E000355/1, ST/H00100X/1, ST/K001310/1 LHCb, ST/K00140X/1, ST/J50094X/1] Funding Source: researchfish
- STFC [ST/J50094X/1, ST/K00140X/1, ST/N000447/1, LHCb, ST/L003163/1, LHCb Upgrades, ST/L003112/1, ST/H00100X/2, ST/K001604/1, ST/K00137X/1, ST/H00100X/1, ST/K003410/1, ST/J004332/1, ST/L003392/1, PP/E000355/1, ST/L001195/1, ST/H006737/1, ST/M000729/1, ST/K000705/1, ST/M001407/1, ST/L003538/1, ST/K001302/1] Funding Source: UKRI
The semileptonic CP asymmetry in B-0-(B) over bar (0) mixing, a(s1)(d), is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb(-1), recorded by the LHCb experiment. Semileptonic B-0 decays are reconstructed in the inclusive final states D-mu(+) and D*(-)mu(+), where the D- meson decays into the K+pi(-)pi(-) final state and the D*(-) meson into the (D) over bar (0)(-> K+pi(-))pi(-) final state. The asymmetry between the numbers of D-(*()-)mu(+) and D-(*()+)mu(-) decays is measured as a function of the decay time of the B-0 mesons. The CP asymmetry is measured to be a(s1)(d) = (-0.02 +/- 0.19 +/- 0.30)%, where the first uncertainty is statistical and the second systematic. This is the most precise measurement of a(s1)(d) to date and is consistent with the prediction from the standard model.
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