Production of doubly-strange systems in the (K-,K+) reaction in E885 at BNL

P. Khaustov, D. E. Alburger, P. D. Barnes, B. Bassalleck, A. R. Berdoz, A. Biglan, T. Bürger, D. S. Carman, R. E. Chrien, C. A. Davis, H. Fischer, G. B. Franklin, J. Franz, L. Gan, A. Ichikawa, T. Iijima, K. Imai, Y. Kondo, P. Koran, M. LandryL. Lee, J. Lowe, R. Magahiz, M. May, R. McCrady, C. A. Meyer, F. Merrill, T. Motoba, S. A. Page, K. Paschke, P. H. Pile, B. Quinn, W. D. Ramsay, A. Rusek, R. Sawafta, H. Schmitt, R. A. Schumacher, R. W. Stotzer, R. Sutter, F. Takeutchi, W. T.H. Van Oers, K. Yamamoto, Y. Yamamoto, M. Yosoi, V. J. Zeps

Research output: Contribution to journalArticlepeer-review


The E885 collaboration utilized the 1.8 GeV/c K- beam line at the AGS to accumulate greater than 10 times the world's existing data sample of (K-,K+) events on carbon. The data were used to search for signatures of the production of Ξ hypernuclei, double-Λ hypernuclei, and H Dibaryons. Evidence for the creation of 12ΞBe is seen. Reasonable agreement between the data and theory is achieved by assuming a Ξ-nucleus Wood-Saxon potential well depth, V, of about 14 MeV. Upper limits for the production of double-Λ hypernuclei are presented. Upper limits for H-Dibaryon production are presented which are a factor of 50 below calculated rates.

Original languageEnglish
Pages (from-to)485c-488c
JournalNuclear Physics A
Issue number1-2
Publication statusPublished - 2000 Jan 31


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