K^-p -> pi^0 pi^0 Sigma^0 at p_(K)^- = 514 MeV/c to 750 MeV/c and comparison with other pi^0 pi^0 production (CROSBI ID 107178)
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Podaci o odgovornosti
Prakhov, S. ; Nefkens, B.M.K. ; Allgower, C.E. ; Bekrenev, V. ; Briscoe, W.J. ; Clajus, M. ; Comfort, J.R. ; Craig, K. ; Grosnick, D. ; Isenhower, D. ; Knecht, N. ; Koetke, D. ; Koulbardis, A. ; Kozlenko, N. ; Kruglov, S. ; Lolos, G. ; Lopatin, I. ; Manley, D.M. ; Manweiler, R. ; Marusic, A. ; McDonald, S. ; Olmsted, J. ; Papandreou, Z. ; Peaslee, D. ; Phaisangittisakul, N. ; Price, J.W. ; Ramirez, A.F. ; Sadler, M. ; Shafi, A. ; Spinka, H. ; Stanislaus, T.D.S. ; Starostin, A. ; Staudenmaier, H.M. ; Supek, Ivan ; Tippens, W.B.
engleski
K^-p -> pi^0 pi^0 Sigma^0 at p_(K)^- = 514 MeV/c to 750 MeV/c and comparison with other pi^0 pi^0 production
Reaction K^- p --> pi^0 pi^0 Sigma^0 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 --> pi^0 pi^0 Sigma^0 show an enhancement in the low mass region ; the opposite is the case for the K^- p --> pi^0 pi^0 Lambda and pi- p --> pi^0 pi^0 n reactions. There is no direct evidence for a f_0(600)-meson contribution to pi^0pi^0 production. Everywhere sigma_t(K^- p --> pi^0 pi^0 Sigma^0)<<sigma_t(K^- p --> pi^0 pi^0 Lambda).
Lambda; total cross sections; invariant-mass spectra; dynamical flavor symmetry; kaon
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