# name
Model-independent evidence for J /ψp contributions to Λb0 →j /ψpK- decays

# metadata.dc.description.abstract[].value
The data sample of Λ0b→J/ψpK− decays acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3  fb−1, is inspected for the presence of J/ψp or J/ψK− contributions with minimal assumptions about K−p contributions. It is demonstrated at more than nine standard deviations that Λ0b→J/ψpK− decays cannot be described with K−p contributions alone, and that J/ψp contributions play a dominant role in this incompatibility. These model-independent results support the previously obtained model-dependent evidence for P+c→J/ψp charmonium-pentaquark states in the same data sample.

# metadata.dc.relation.ispartof[].value
Physical Review Letters, 2016, vol. 117, num. 82002

# metadata.dc.source[].value
Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Model-independent evidence for J /ψp contributions to Λb0 →j /ψpK- decays