Search for a Narrow Charmed Baryonic State Decaying to D*±p in ep Collisions at HERA

ZEUS Collaboration

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Abstract

A resonance search has been made in the D*±p∓ invariant-mass spectrum with the ZEUS detector at HERA using an integrated luminosity of 126 pb-1. The decay channels D*+ -→ D0πs+ → (K -π+)πs+ and D*+ → D0πs+ → (K-π+π+π-) πs+ (and the corresponding antiparticle decays) were used to identify D*± mesons. No resonance structure was observed in the D*± p∓ mass spectrum from more than 60 000 reconstructed D*± mesons. The results are not compatible with a report of the H1 Collaboration of a charmed pentaquark, Θc 0.
Original languageAmerican English
Pages (from-to)29-41
JournalEuropean Physical Journal C
Volume38
Issue number1
DOIs
StatePublished - Dec 2004

Disciplines

  • Physics

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