Journal
PHYSICS LETTERS B
Volume 742, Issue -, Pages 38-49Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2015.01.008
Keywords
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Funding
- CERN
- national agency: CAPES (Brazil)
- national agency: CNPq (Brazil)
- national agency: FAPERJ (Brazil)
- national agency: FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- MPG (Germany)
- SFI (Ireland)
- 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)
- IN2P3 (France)
- KIT (Germany)
- SURF (The Netherlands)
- PIC (Spain)
- GridPP (United Kingdom)
- EPLANET (European Union)
- Marie Sklodowska-Curie Actions (European Union)
- ERC (European Union)
- Conseil general de Haute-Savoie (France)
- Labex ENIGMASS (France)
- OCEVU, Region Auvergne (France)
- RFBR (Russia)
- XuntaGal (Spain)
- GENCAT (Spain)
- Royal Society (United Kingdom)
- Royal Commission for the Exhibition of 1851 (United Kingdom)
- Science and Technology Facilities Council [1416165, ST/N000250/1, ST/L003538/1, ST/M001474/1, 1096173, ST/L003163/1, ST/M000729/1, 1511824, LHCb Upgrades, ST/M001407/1, ST/L001195/1, ST/K001256/1, 1299204, 1415632, ST/K001302/1, 1225314, ST/L003112/1, ST/K001310/1 ATLAS, ST/K00137X/1, ST/K001418/1, ST/K001604/1, ST/J50094X/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/K00140X/1, ST/K001310/1 LHCb, ST/H00100X/1, PP/E000355/1, LHCb, 1208164, ST/K001310/1 ATLAS Upgrades, ST/L003392/1, ST/J004332/1] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205805, 1505719] Funding Source: National Science Foundation
- STFC [ST/K00140X/1, ST/L001195/1, ST/J50094X/1, PP/E000355/1, ST/H00100X/1, ST/H00100X/2, ST/K001604/1, ST/K00137X/1, ST/K003410/1, ST/J004332/1, LHCb, ST/L003163/1, LHCb Upgrades, ST/L003112/1, ST/K001302/1, ST/H006737/1, ST/M000729/1, ST/K000705/1, ST/M001407/1, ST/L003538/1, ST/L003392/1] Funding Source: UKRI
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Time-dependent CP violation is measured in the (B-0) over bar -> J/psi pi(+)pi(-) p-channel for each pi(+)pi(-) resonant final state using data collected with an integrated luminosity of 3.0 fb(-1) in pp collisions using the LHCb detector. The final state with the largest rate, J/psi rho(0)(770), is used to measure the CP-violating angle 2 beta(eff) to be (41.7 +/- 9.6(-6.3)(+2.8)).. This result can be used to limit the size of penguin amplitude contributions to CPviolation measurements in, for example, (B-0) over bar -> J/psi pi(+)pi(-) decays. Assuming approximate SU(3) flavour symmetry and neglecting higher order diagrams, the shift in the CP-violating phase phi(s) limited to be within the interval [-1.05 degrees, + 1.18 degrees] at 95% confidence level. Changes to the limit due to SU(3) symmetry breaking effects are also discussed. (C) 2015 The Authors. Published by Elsevier B.V.
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