Journal
PHYSICS LETTERS B
Volume 777, Issue -, Pages 16-30Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2017.11.070
Keywords
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Funding
- CERN
- CAPES, (Brazil)
- CNPq, (Brazil)
- FAPERJ, (Brazil)
- FINEP (Brazil)
- MOST (China)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF, (Germany)
- DFG, (Germany)
- MPG (Germany)
- INFN (Italy)
- NWO (The Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- FASO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (USA)
- AvH Foundation (Germany)
- EPLANET, (European Union)
- Marie Sklodowska-Curie Actions, (European Union)
- ERC (European Union)
- ANR (France)
- Labex P2IO (France)
- ENIGMASS (France)
- OCEVU (France)
- Region Auvergne-Rhone-Alpes (France)
- RFBR (Russia)
- Yandex LLC (Russia)
- GVA (Spain)
- XuntaGal (Spain)
- GENCAT (Spain)
- Herchel Smith Fund (United Kingdom)
- Royal Society (United Kingdom)
- English-Speaking Union (United Kingdom)
- Leverhulme Trust (United Kingdom)
- STFC [ST/K003410/1, ST/H006737/1, LHCb, 1641747, 1796908, ST/N000242/1, 1707993, ST/N000463/1, ST/G005974/1, ST/N000331/1, LHCb Upgrades, ST/J004332/1] Funding Source: UKRI
- Science and Technology Facilities Council [1416165, LHCb, 1397914, 1641747, ST/J004332/1, ST/N000463/1, ST/N000242/1, ST/K003410/1, ST/N000250/1, ST/N000331/1, GRIDPP, ST/H006737/1, LHCb Upgrades, 1565116] Funding Source: researchfish
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Measurements of CP observables in B-+/- -> D(*)K-+/- and B-+/- -> D(*)pi(+/-) decays are presented, where D(*) indicates a neutral Dor D* meson that is an admixture of D(*)(0) and (D) over bar(*)(0) states. Decays of the D* meson to the D pi(0)and D gamma final states are partially reconstructed without inclusion of the neutral pion or photon, resulting in distinctive shapes in the Bcandidate invariant mass distribution. Decays of the D meson are fully reconstructed in the K-+/-pi(-/+), K+K- and pi(+)pi(-) final states. The analysis uses a sample of charged Bmesons produced in ppcollisions collected by the LHCb experiment, corresponding to an integrated luminosity of 2.0, 1.0 and 2.0fb- 1taken at centre- of- mass energies of root s = 7, 8 and 13 TeV, respectively. The study of B-perpendicular to -> D*K-perpendicular to and B-perpendicular to -> D*pi(perpendicular to) decays using a partial reconstruction method is the first of its kind, while the measurement of B-+/- -> DK +/- and B-+/- -> D pi(+/-) decays is an update of previous LHCb measurements. The B-+/- -> DK +/- results are the most precise to date. (c) 2017 The Author. Published by Elsevier B. V.
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