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Titolo:
Comparison of pi K scattering in SU (3) chiral perturbation theory and dispersion relations
Autore:
Ananthanarayan, B; Buttiker, P;
Indirizzi:
Indian Inst Sci, Ctr Theoret Studies, Bangalore 560012, Karnataka, India Indian Inst Sci Bangalore Karnataka India 560012 560012, Karnataka, India KFA Julich GmbH, Forschungszentrum, Inst Kernphys, D-52425 Julich, GermanyKFA Julich GmbH Julich Germany D-52425 Kernphys, D-52425 Julich, Germany
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL C
fascicolo: 3, volume: 19, anno: 2001,
pagine: 517 - 528
SICI:
1434-6044(200103)19:3<517:COPKSI>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
FORM-FACTORS; LOW-ENERGY; ONE LOOP; 2 LOOPS; AMPLITUDE; LENGTHS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Ananthanarayan, B Indian Inst Sci, Ctr Theoret Studies, Bangalore 560012, Karnataka, India Indian Inst Sci Bangalore Karnataka India 560012 India
Citazione:
B. Ananthanarayan e P. Buttiker, "Comparison of pi K scattering in SU (3) chiral perturbation theory and dispersion relations", EUR PHY J C, 19(3), 2001, pp. 517-528

Abstract

We establish the framework for the comparison of piK scattering amplitudesfrom SU(3) chiral perturbation theory with suitable dispersive representations which result from the combination of certain fixed-t dispersion relations with dispersion relations on hyperbolic curves. This allows for predictions for some combinations of low energy constants appearing in higher order calculations of chiral perturbation theory. Using a simple parametrization for the lowest partial waves, first estimates for some combinations are presented.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 12:57:54