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Pregled bibliografske jedinice broj: 319263

Zbornik radova

Autori: Švarc, Alfred; Ceci, Saša; Zauner, Branimir
Naslov: On ambiguities and uncertainties in PWA
Izvornik: Proceedings of the 11th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon : MENU 2007 / Krewald, S. ; Machner, H. (ur.). - econf C070910 : SLAC , 2008. 663-673.
Skup: 11th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon
Mjesto i datum: Juelich, Njemačka, 10-14.09.2007.
Ključne riječi: ambiguities; uncertainties; PWA
Sažetak:
Partial wave scattering matrix poles, representing a link between experimental data and quark-model resonant states, contain two sources of ambiguities and uncertainties: fundamental (continuum ambiguities) and factual (quality of input data). Furthermore, two types of scattering matrix singularities are identifed when energy dependence of partial wave data is implemented through a coupled-channel model: bare and dressed Green function poles. Both types of uncertainties, for both type of poles, are strongly reduced by extending the data base in the direction of increasing the number of accessible and utilized channels. As we strongly suspect that the quality of data in one channel is of less importance then the overall number of used channels, new measurements in inelastic meson-nucleon sector are recommended, and recognized as a task of prime importance.
Vrsta sudjelovanja: Pozvano
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 098009, 098-0000000-3195
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Fizika
Puni text rada: 319263.Menu_contribution_svarc_final.pdf (tekst priložen 1. Srp. 2008. u 16:19 sati)
URL Internet adrese: http://www.slac.stanford.edu/econf/C070910/vol1.htm
Upisao u CROSBI: Alfred Švarc (svarc@irb.hr), 23. Sij. 2008. u 16:20 sati
Napomene:
eConf Archive = Electronic Conference Proceedings Archive



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