K-p→π0π00 at pk-=514-750 MeV/c and comparison with other π0π0 production

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

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Abstract

Reaction K -p→π0π00 was measured with the Crystal Ball multiphoton spectrometer at eight K- momenta from 514 to 750 MeV/c. Dynamics and the energy dependence of the reaction are shown by Dalitz plots, invariant mass spectra, production angular distributions, and total cross sections. The dipion invariant-mass spectra for K-p→π0π00 show an enhancement in the low mass region; the opposite is the case for the K -p→π0π0Λ and π-p→π0π0π reactions. There is no direct evidence for a f0(600)-meson contribution to π0π0 production. Everywhere σt(K -p→π0π00) ≪σ(K-p→π0π0Λ).

Original languageEnglish (US)
Article number034605
Pages (from-to)346051-346054
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume70
Issue number3
DOIs
StatePublished - Sep 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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