Kavli Affiliate: Jonathan L. Rosner
| First 5 Authors: Marek Karliner, Jonathan L. Rosner, , ,
| Summary:
We comment on the recent evidence by the LHCb Collaboration for a structure
in the $J/psi Lambda$ final state produced in the decay $Xi^-_b to J/psi
Lambda K^-$, with minimal quark content $c bar c u d s$.
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