Journal
PHYSICAL REVIEW D
Volume 93, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.93.094009
Keywords
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Funding
- Chinese Academy of Science in the Program of Visiting Professorship for Senior International Scientists [2013T2J0012]
- National Natural Science Foundation of China [11375024, 11522539, 11505158, 11475015, 11475227]
- Spanish Ministerio de Economia y Competitividad
- European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02]
- Generalitat Valenciana in the program Prometeo [II-2014/068]
- China Postdoctoral Science Foundation [2015M582197]
- Postdoctoral Research Sponsorship in Henan Province [2015023]
- Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF151CJ1]
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We study the Lambda(b) -> J/psi K-0 Lambda reaction considering both the K-0 Lambda interaction with its coupled channels and the J/psi Lambda interaction. The latter is described by taking into account the fact that there are predictions for a hidden-charm state with strangeness that couples to J/psi Lambda By using the coupling of the resonance to J/psi Lambda from these predictions, we show that a neat peak can be observed in the J/psi Lambda invariant mass distribution, rather stable under changes of unknown magnitudes. In some cases, one finds a dip structure associated to that state, but a signal of the state shows up in the J/psi Lambda spectrum.
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