期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2016)132
关键词
B physics; Flavor physics; Hadron-Hadron scattering (experiments); Particle and resonance production; Spectroscopy
资金
- CERN
- CAPES
- CNPq
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- MPG (Germany)
- INFN (Italy)
- FOM (The Netherlands)
- NWO (The Netherlands)
- MNiSW
- NCN (Poland)
- MEN/IFA (Romania)
- MinES and FANO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (U.S.A.)
- AvH Foundation (Germany)
- EPLANET (European Union)
- Marie Sklodowska-Curie Actions (European Union)
- ERC (European Union)
- Conseil General de Haute-Savoie
- Labex ENIGMASS and OCEVU
- Region Auvergne (France)
- RFBR Russia
- Yandex LLC (Russia)
- GVA
- XuntaGal and GENCAT (Spain)
- Herchel Smith Fund
- Royal Society
- Royal Commission for the Exhibition of 1851
- Leverhulme Trust (United Kingdom)
- STFC [ST/K004646/1, ST/K003410/1, ST/J004332/1, LHCb, LHCb Upgrades, ST/N000242/1, ST/M004058/1, ST/K00140X/1, ST/L003538/1, ST/N001370/1, ST/H006737/1, 1707993] Funding Source: UKRI
- Science and Technology Facilities Council [1707993, ST/J004332/1, ST/K003410/1, 1369397, ST/H006737/1, 1565116, 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, GRIDPP, ST/N001370/1, LHCb] Funding Source: researchfish
The decays Lambda(0)(b) -> psi(2S)pK(-) and Lambda(0)(b) -> J/psi pi(+)pi(-)pK(-) are observed in a data sample corresponding to an integrated luminosity of 3 fb(-1), collected in proton-proton collisions at 7 and 8 TeV centre-of-mass energies by the LHCb detector. The psi(2S) mesons are reconstructed through the decay modes psi(2S) -> mu(+)mu(-) and psi(2S) -> J/psi pi(+)pi(-) The branching fractions relative to that of Lambda(0)(b) -> J/psi pk(-) are measured to be [GRAPHICS] where the first uncertainties are statistical, the second are systematic and the third is related to the knowledge of J/psi and psi(2S) branching fractions. The mass of the Ai baryon is measured to be M(Lambda(0)(b)) = 5619.65 +/- 0.17 0.17 MeV/c(2), where the uncertainties are statistical and systematic.
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