Reaction k-p → π0π0 Λ from pK-=514 to 750 MeV/c

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. MarušićS. 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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36 Scopus citations


Reaction K-p → π0π0 Λ was measured at eight incident K- momenta between 514 and 750 MeV/c using the Crystal Ball multiphoton spectrometer. The reaction dynamics are displayed in total cross sections, Dalitz plots, invariant-mass spectra, production angular distributions, and the Λ polarization. The π0π0 Λ production is dominated by the π0Σ0(1385) intermediate state; no trace of other light Σ* states is observed, and the role of the f0(600) meson appears to be insignificant. A striking similarity is seen between K -p → π0π0 Λ and π-p → π0π0n; this can be understood as a consequence of dynamical flavor symmetry.

Original languageEnglish (US)
Article number042202
Pages (from-to)042202-1-042202-4
JournalPhysical Review C - Nuclear Physics
Issue number4
StatePublished - Apr 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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  • Reaction K- p ---> pi0 pi0 lambda from pK- = 514-MeV/c to 750-MeV/c

    Prakhov, S. (Creator), Nefkens, B. M. K. (Creator), Allgower, C. E. (Creator), Bekrenev, V. (Creator), Briscoe, W. J. (Creator), Clajus, M. (Creator), Comfort, J. R. (Creator), Craig, K. (Creator), Grosnick, D. (Creator), Isenhower, D. (Creator), Knecht, N. (Creator), Koetke, D. (Creator), Koulbardis, A. (Creator), Kozlenko, N. (Creator), Kruglov, S. (Creator), Lolos, G. (Creator), Lopatin, I. (Creator), Manley, D. M. (Creator), Manweiler, R. (Creator), Marušić, A. (Contributor), McDonald, S. (Creator), Olmsted, J. (Creator), Papandreou, Z. (Creator), Peaslee, D. (Creator), Phaisangittisakul, N. (Creator), Price, J. W. (Creator), Ramirez, A. F. (Creator), Sadler, M. (Creator), Shafi, A. (Creator), Spinka, H. (Creator), Stanislaus, T. D. S. (Creator), Starostin, A. (Creator), Staudenmaier, H. M. (Creator), Supek, I. (Creator) & Tippens, W. B. (Creator), HEPData, 2004


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