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Titolo:
Anomalous gamma -> 3 pi amplitude in a bound-state approach
Autore:
Bistrovic, B; Klabucar, D;
Indirizzi:
Old Dominion Univ, Dept Phys, Norfolk, VA 23529 USA Old Dominion Univ Norfolk VA USA 23529 , Dept Phys, Norfolk, VA 23529 USA Jefferson Lab, Newport News, VA 23606 USA Jefferson Lab Newport News VA USA 23606 n Lab, Newport News, VA 23606 USA Univ Zagreb, Fac Sci, Dept Phys, Zagreb 10000, Croatia Univ Zagreb Zagreb Croatia 10000 c Sci, Dept Phys, Zagreb 10000, Croatia
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 1-3, volume: 478, anno: 2000,
pagine: 127 - 136
SICI:
0370-2693(20000406)478:1-3<127:AG-3PA>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
BETHE-SALPETER APPROACH; VECTOR-MESONS; FORM-FACTOR; DYSON; PION;
Keywords:
chiral symmetry breaking; constituent quarks; nonperturbative QCD and hadron phenomenology; axial anomaly; Schwinger-Dyson equations;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Bistrovic, B Old Dominion Univ, Dept Phys, 4600 Elkhorn Ave, Norfolk, VA 23529 USA Old Dominion Univ 4600 Elkhorn Ave Norfolk VA USA 23529 9 USA
Citazione:
B. Bistrovic e D. Klabucar, "Anomalous gamma -> 3 pi amplitude in a bound-state approach", PHYS LETT B, 478(1-3), 2000, pp. 127-136

Abstract

The form factor for the anomalous process gamma pi(+) --> pi(+)pi(0), which is presently being measured at CEBAF, is calculated in the Schwinger-Dyson approach in conjunction with an impulse approximation. The form factors obtained by us are compared with the ones predicted by the simple constituent quark loop model, vector meson dominance and chiral perturbation theory, as well as the scarce already available data. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 02/06/20 alle ore 01:42:19