Multi Resonance Contribution to the Eta Production in Proton-Proton Scattering (CROSBI ID 500411)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ceci, Saša ; Švarc, Alfred ; Zauner, Branimir
engleski
Multi Resonance Contribution to the Eta Production in Proton-Proton Scattering
Two body scattering amplitudes, obtained in the unitary, coupled channel model, have been used in the few-body analysis. The simplest two-body process that can be completely determined using the two-body amplitudes is p p --> p p eta. It has been shown that the experimental data far from threshold are well described using S-waves only. The choice of final state interaction model is vital, especially for the pp subsystem. We apply the factorization approximation for the three body final state interaction and use the two body Jost functions in the low energy effective range approximation. Contrary to recent models which demand a strong contribution from rho meson exchange, it has been shown that the destructive interference between pi and eta depicts the data quite well.
Meson production; nucleon-nucleon interaction; eta meson; inelastic proton scattering
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Podaci o prilogu
333-337-x.
2005.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of the N*2004 Workshop on the structure of Excited Nucleons
Bocquet, J. ; Kusnetzov, V. ; Rebreyand, D.
Singapur : London : München : Ženeva : Tokyo : Hong Kong : Taipei : Peking : Šangaj : Tianjin : Chennai: World Scientific Publishing
Podaci o skupu
Nepoznat skup
predavanje
29.02.1904-29.02.2096