期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2018)098
关键词
B physics; Branching fraction; Hadron-Hadron scattering (experiments)
资金
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- MOST (China)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG and MPG (Germany)
- INFN (Italy)
- NWO (The Netherlands)
- NCN (Poland)
- MNiSW (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- FASO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (U.S.A.)
- AvH Foundation (Germany)
- EPLANET
- Marie Sklodowska-Curie Actions
- ERC (European Union)
- ANR
- Labex P2IO
- ENIGMASS
- OCEVU
- Region Auvergne-Rhone-Alpes (France)
- RFBR
- Yandex LLC (Russia)
- GVA
- XuntaGal and GENCAT (Spain)
- Herchel Smith Fund
- Royal Society
- English-Speaking Union
- Leverhulme Trust (United Kingdom)
- STFC [ST/H006737/1, ST/N000242/1, LHCb, ST/N000331/1, ST/G005974/1, 1707993, 1641747, LHCb Upgrades, 1796908, ST/N000455/1, ST/K003410/1, ST/J004332/1, ST/L003163/1, ST/N000463/1] Funding Source: UKRI
- Science and Technology Facilities Council [1565116, 1641747, GRIDPP, ST/L003163/1, 1397914, ST/J004332/1, LHCb, ST/N000463/1, ST/K003410/1, ST/N000331/1, ST/N000242/1, ST/N000455/1, ST/N000250/1, LHCb Upgrades, ST/H006737/1, 1416165] Funding Source: researchfish
A search for charmless four-body decays of Lambda(0)(b) and Xi(0)(b) baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The data sample used was recorded in 2011 and 2012 with the LHCb experiment and corresponds to an integrated luminosity of 3 fb(-1). Six decay modes are observed, among which Lambda(0)(b) -> pK(-) pi(+)pi(-), Lambda(0)(b) -> pK(-)K(+)K(-), Xi(0)(b) pK(-) pi(+)pi(-) and Xi(0)(b) pK(-)pi K-+(-) are established for the first time. Their branching fractions (including the ratio of hadronisation fractions in the case of the Xi(0)(b) baryon) are determined relative to the Lambda(0)(b) -> Lambda(+)(c)pi(-) decay.
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