PT Journal
AU Lu, JX
   Wang, E
   Xie, JJ
   Geng, LS
   Oset, E
TI Lambda(b) -> J/psi K-0 Lambda reaction and a hidden-charm pentaquark state with strangeness
SO Physical Review D
JI Phys. Rev. D
PY 2016
BP 094009
EP 11pp
VL 93
IS 9
DI 10.1103/PhysRevD.93.094009
LA English
AB 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.
ER