Search for the doubly charmed baryon Ξ+cc

LHCb Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

A search for the doubly charmed baryon Ξ+cc in the decay mode Ξ+cc→Λ+cK−π+ is performed with a data sample, corresponding to an integrated luminosity of 0.65 fb−1, of pp collisions recorded at a centre-of-mass energy of 7 TeV. No significant signal is found in the mass range 3300--3800 MeV/c2. Upper limits at the 95\% confidence level on the ratio of the Ξ+cc production cross-section times branching fraction to that of the Λ+c, R, are given as a function of the Ξ+cc mass and lifetime. The largest upper limits range from R<1.5×10−2 for a lifetime of 100 fs to R<3.9×10−4 for a lifetime of 400 fs.
Original languageEnglish
Article number90
Number of pages1
JournalJournal of High Energy Physics
Volume2013
Issue number12
Early online date9 Oct 2013
DOIs
Publication statusPublished - 1 Dec 2013

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