Measurement of k-p → ηΛ near threshold

A. Starostin, B. M K Nefkens, E. Berger, M. Clajus, A. Marušić, S. McDonald, N. Phaisangittisakul, S. Prakhov, J. W. Price, M. Pulver, W. B. Tippens, C. W. Wong, D. Isenhower, M. Sadler, C. E. Allgower, H. Spinka, J. R. Comfort, K. Craig, A. F. Ramirez, W. J. BriscoeA. Shafi, D. M. Manley, J. Olmsted, H. M. Staudenmaier, D. Peaslee, V. Bekrenev, A. Koulbardis, N. Kozlenko, S. Kruglov, I. Lopatin, N. Knecht, G. Lolos, Z. Papandreou, I. Supek, D. Grosnick, D. Koetke, R. Manweiler, S. Stanislaus

Research output: Contribution to journalArticlepeer-review

199 Scopus citations

Abstract

We present measurements of the differential and total cross sections and the Λ polarization for the reaction K-p → ηΛ from threshold to pK--= 770 MeV/c, with much better precision than previous measurements. Our cross-section data show a remarkable similarity to the SU(3) flavor-related π-p → ηn cross-section results. The reaction K-p → ηΛ at threshold is dominated by formation of the intermediate Λ(1670)1/2- state.

Original languageEnglish (US)
Article number055205
Pages (from-to)552051-5520516
Number of pages4968466
JournalPhysical Review C - Nuclear Physics
Volume64
Issue number5
DOIs
StatePublished - Nov 2001

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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