Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP05(2016)081
Keywords
Branching fraction; CP violation; Flavor physics; Rare decay; Hadron-Hadron scattering (experiments)
Categories
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)
- STFC [ST/J004332/1, LHCb, ST/M004058/1, ST/N000242/1, LHCb Upgrades, ST/H006737/1, ST/N001370/1, ST/L003538/1, ST/K00140X/1, ST/K003410/1, ST/K004646/1, 1707993] Funding Source: UKRI
- Science and Technology Facilities Council [1364044, ST/K003410/1, 1565032, 1415632, LHCb Upgrades, 1511824, 1096173, ST/M001474/1, ST/L003538/1, ST/N000250/1, 1416165, 1514623, ST/M004058/1, ST/K001418/1, ST/K00140X/1, ST/N000242/1, 1564711, ST/K004646/1, LHCb, ST/N001370/1, GRIDPP, 1707993, ST/J004332/1, ST/H006737/1, 1369397, 1565116] Funding Source: researchfish
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A search is performed for the charmless three-body decays of the Lambda(0)(b) and Xi(0)(b) baryons to the final states Lambda h(+)h'(-), where h(') = pi or K. The analysis is based on a data sample, corresponding to an integrated luminosity of 3 fb-1 of pp collisions, collected by the LHCb experiment. The Lambda(0)(b) -> Lambda K+pi(-) and Lambda(0)(b) -> Lambda K+K- decays are observed for the first time and their branching fractions and CP asymmetry parameters are measured. Evidence is seen for the Lambda(0)(b) -> Lambda pi(+)pi(-) decay and limits are set on the branching fractions of Xi(0)(b) baryon decays to the Lambda h(+)h(-) final states.
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