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Search for the weak decay of a lightly bound H0 dibaryon | | A Alavi-Harati
; T Alexopoulos
; M Arenton
; K Arisaka
; S Averitte
; A R Barker
; L Bellantoni
; A Bellavance
; J Belz
; R Ben-David
; D R Bergman
; E Blucher
; G J Bock
; C Bown
; S Bright
; E Cheu
; S Childress
; R Coleman
; M D Corcoran
; G Corti
; B Cox
; M B Crisler
; A R Erwin
; R Ford
; A Glazov
; A Golossanov
; | | Date: |
20 Mar 2000 | | Journal: | Phys Rev Lett, 84 (12), 2593-7 | | 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-->Lambdappi(-) and found no candidate events. We place an upper limit on [B(H0-->Lambdappi(-))dsigma(H)/dOmega]/(dsigma(Xi)/dOmega) and, in the context of published models, exclude the region of lightly bound mass states just below the LambdaLambda mass threshold, 2.194<M(H)<2.231 GeV/c(2), with lifetimes from approximately 5x10(-10) sec to approximately 1x10(-3) sec. | | Source: | PubMed, pmid11017277 | | Services: | Forum | Review | Favorites | |
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