Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 76, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-016-4250-2
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Funding
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- MPG (Germany)
- INFN (Italy)
- FOM (The Netherlands)
- NWO (The Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- FANO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (USA)
- AvH Foundation (Germany)
- EPLANET
- Marie Sklodowska-Curie Actions
- ERC (European Union)
- Conseil General de Haute-Savoie
- Labex ENIGMASS
- OCEVU
- Region Auvergne, (France)
- RFBR
- Yandex LLC (Russia)
- GVA
- Xunta-Gal
- GENCAT (Spain)
- Herchel Smith Fund
- Royal Society
- Royal Commission for the Exhibition of 1851
- Leverhulme Trust (United Kingdom)
- STFC [1707993, ST/H006737/1, ST/N001370/1, ST/L003538/1, ST/K00140X/1, ST/M004058/1, ST/N000242/1, LHCb Upgrades, LHCb, ST/J004332/1, ST/K003410/1, ST/K004646/1] Funding Source: UKRI
- Science and Technology Facilities Council [1565032, 1415632, LHCb Upgrades, ST/L003538/1, ST/N000250/1, 1416165, 1514623, ST/M004058/1, ST/K00140X/1, ST/N000242/1, 1564711, ST/K004646/1, LHCb, ST/N001370/1, GRIDPP, 1707993, ST/J004332/1, ST/K003410/1, 1364044, 1369397, ST/H006737/1, 1565116] Funding Source: researchfish
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The oscillation frequency, Delta m(d), of B-0 mesons is measured using semileptonic decays with a D- or D*(-) meson in the final state. The data sample corresponds to 3.0 fb(-1) of pp collisions, collected by the LHCb experiment at centre-of-mass energies root s = 7 and 8 TeV. A combination of the two decay modes gives Delta m(d) = (505.0 +/- 2.1 +/- 1.0) ns(-1), where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is consistent with the current world average and has similar precision.
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