Search for H dibaryon by scintillating-fiber track detector
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The H dibaryon search experiment using a scintillating-fiber target was performed at KEK-PS. The preliminary results are reported. No evidence of the H production via C(K−, K+) reaction has been found. The upper limit of the ratio of the H production to the quasi-free process, K−+(p)→K++Ξ− is 0.05–0.6% forMH⩽2200 MeV/c2. For 2200 MeV/c2⩽MH⩽2230 MeV/c2, the upper limit for the production of the H which decays into Σ−+p is 0.6–07%.
KeywordsPACS 14.20 Baryons and baryon resonances (including antiparticles) PACS 01.30.Cc Conference proceedings
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