Search for the weak decay of a lightly bound H0 dibaryon

KTeV Collaboration

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

We present results of a search for a new form of hadronic matter a six-quark dibaryon state called the H0 a state predicted to exist in several theoretical models. Analyzing data collected by experiment E799-II at Fermilab we searched for the decay H0→∧pπ- and found no candidate events. We place an upper limit on [B(H0→∧pπ-)dσH/dΩ]/(dσΞ/dΩ) and in the context of published models exclude the region of lightly bound mass states just below the ∧∧ mass threshold 2.194 < MH < 2.231GeV/c2 with lifetimes from ˜5 × 10-10sec to ˜1 × 10-3sec.

Original languageEnglish (US)
Pages (from-to)2593-2597
Number of pages5
JournalPhysical review letters
Volume84
Issue number12
DOIs
StatePublished - 2000

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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