Observación del barión Ξcc++

Estoy atrasado poniéndoles esta noticia... pero quería tener por aquí el paper de la observación de Ξcc++, les pongo el abstract y después el paper:

A highly significant structure is observed in the Λc+ K-π+π+ mass spectrum, where the Λc+ baryon is reconstructed in the decay mode pK-π+. The structure is consistent with originating from a weakly decaying particle, identified as the doubly charmed baryon Ξcc++. The mass, measured relative to that of the Λc+ baryon, is found to be 3621.40 ± 0.72 (stat) ± 0.27 (syst) ± 0.14 (Λc+)MeV/c2, where the last uncertainty is due to the limited knowledge of the Λc+ mass. The state is observed in a sample of proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of 13TeV, corresponding to an integrated luminosity of 1.7fb-1, and confirmed in an additional sample of data collected at 8TeV.

Les pongo el paper de esta partícula traviesa.

Miguel Angel Vargas Cruz
2017-07-17 21:14:21 Post #2201