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Pregled bibliografske jedinice broj: 165181

Zbornik radova

Autori: Ceci, Saša; Švarc, Alfred; Zauner, Branimir
Naslov: Nucleon resonances and processes involving strange particles
Izvornik: Proceedings of the NSTAR2004: Workshop on the Physics of Excited Baryons / Bocquet, J. ; Kusnetzov, V. ; Rebreyand, D. (ur.). - New Jersey ; London ; Singapore ; Hong Kong : World Scientific , 2005. 337-341.
Skup: NSTAR2004: Workshop on the Physics of Excited Baryons
Mjesto i datum: Grenoble, Francuska, 24.-27.03.2004.
Ključne riječi: nucleon resonances; strange particles
Sažetak:
An existing single resonance model with S11, P11 and P13 Breit-Wiegner resonances in the s-channel has been re-applied to the old piN - K Lambda data. It has been shown that the standard set of resonant parameters fails to reproduce the shape of the differential cross section. The resonance parameter determination has been repeated retaining the most recent knowledge about the nucleon resonances. The extracted set of parameters has confirmed the need for the strong contribution of a P11(1710) resonance. The need for any significant contribution of the P13 resonance has been eliminated. Assuming that the Baker. et al data is a most reliable one, the P11 resonance can not but be quite narrow. It emerges as a good candidate for the non-strange counter partner of the established pentaquark anti-decuplet.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 0098009
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
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