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The Δ(3, 3) phase shift

Фазовый сдвиг Δ(3, 3)

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Il Nuovo Cimento A (1965-1970)

Summary

The resonant Δ(3, 3) phase shift is calculated by an extension of a current algebra model which previously has successfully accounted for all of the low-energy nonresonant πN data. The relation among the complex-pole position, the maximum-speed point, the effective pole model mass, the ninety-degree point and the bare resonance mass is elucidated.

Riassunto

Si calcola lo spostamento di fase risonante Δ(3, 3) per mezzo dell'estensione di un modello di algebra delle correnti che precedentemente è stato preso in considerazione con successo per tutti i dati su πN non risonanti a bassa energia. Si chiarisce la relazione tra la posizione del polo complesso, il punto a velocità massima, la massa efficace del modello del polo, il punto a novanta gradi e la massa nuda della risonanza.

Резюме

Вычисляется резонансный фазовый сдвиг Δ(3, 3), используя модель алгебры токов, которая ранее успешно объяснила все нерезонансные πN данные при низких энергиях. Объясняется связь между положением комплексного полюса, точкой максимальной скорости, массой в модели эффективного полюса, “девяносто-градусной” точкой и массой голого резонанса.

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Work supported in part by the University of Wisconsin Research Committee with funds granted by the Wisconsin Alumni Research Foundation and in part by the Energy Research and Development Administration under contract E(11-1)-881, COO-572.

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Olsson, M.G. The Δ(3, 3) phase shift. Nuov Cim A 40, 284–292 (1977). https://doi.org/10.1007/BF02776864

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  • DOI: https://doi.org/10.1007/BF02776864

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