Journal
PHYSICAL REVIEW LETTERS
Volume 117, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.082002
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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 (Netherlands)
- NWO (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)
- ERC (European Union)
- Conseil General de Haute-Savoie (France)
- Labex ENIGMASS (France)
- OCEVU (France)
- RFBR (Russia)
- Yandex LLC (Russia)
- GVA (Spain)
- XuntaGal (Spain)
- GENCAT (Spain)
- Herchel Smith Fund
- Royal Society
- Royal Commission for the Exhibition of 1851
- Leverhulme Trust (United Kingdom)
- EPLANET (European Union)
- Marie Sklodowska-Curie Actions (European Union)
- Region Auvergne (France)
- 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, 1565116, ST/H006737/1, 1369397, 1364044, ST/K003410/1, ST/J004332/1, 1707993, GRIDPP, ST/N001370/1, LHCb] Funding Source: researchfish
- 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
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The data sample of Lambda(0)(b) -> J/psi pK(-) decays acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3 fb(-1), is inspected for the presence of J/psi p or J/psi K- contributions with minimal assumptions about K(-)p contributions. It is demonstrated at more than nine standard deviations that Lambda(0)(b) -> J/psi pK(-) decays cannot be described with K- p contributions alone, and that J/psi K- contributions play a dominant role in this incompatibility. These model-independent results support the previously obtained model-dependent evidence for P-c(+)-> J/psi p charmonium-pentaquark states in the same data sample.
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