Measurement of the properties of the Ξb∗0 baryon

The Lhcb Collaboration

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

We perform a search for near-threshold Ξb0 resonances decaying to Ξbπ+ in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb−1 collected by the LHCb experiment. We observe one resonant state, with the following properties: (Formula presented.). This confirms the previous observation by the CMS collaboration. The state is consistent with the JP = 3/2+ Ξb∗0 resonance expected in the quark model. This is the most precise determination of the mass and the first measurement of the natural width of this state. We have also measured the ratio (Formula presented.).

Original languageEnglish (US)
Article number161
JournalJournal of High Energy Physics
Volume2016
Issue number5
DOIs
StatePublished - May 1 2016

Keywords

  • B physics
  • Hadron-Hadron scattering (experiments)
  • Particle and resonance production
  • Spectroscopy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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