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Elasticities of resonances belonging to a dual spectrum

Упругости резонансов, принадлежащих дуальному спектру

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Il Nuovo Cimento A (1965-1970)

Summary

The couplings to the multipion channels of the resonances belonging to the dual spectrum are analysed at low and intermediate energy. The problems arising from the nature of the spectrum, which contains zero-width and highly degenerate levels, are discussed and a solution is proposed. An interesting dependence of the elasticity of a family of resonances on the angular momentum is found.

Riassunto

Si studiano gli accoppiamenti delle risonanze appartenenti allo spettro duale ai canali a molti pioni, ad energia bassa e intermedia. Si discutono le questioni legate alla natura dello spettro, che contiene livelli altamente degeneri e con larghezza nulla; si propone una soluzione. Si trova che l'elasticità di una famiglia di risonanze mostra un'interessante dipendenza dal momento angolare.

Резюме

Анализируется связь между многопионными каналами для резонансов, относящихся к дуальному спектру, при низких и промежуточных энергиях. Обсуждаются проблемы, связанные с характером спектра, который имеет сильно вырожденные уровни с нулевой шириной; предлагается решение. Обнаружено, что упругость одного семейства резонансов проявляет интересную зависимость от момента.

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Paciello, M.L., Taglienti, B. Elasticities of resonances belonging to a dual spectrum. Nuov Cim A 37, 120–132 (1977). https://doi.org/10.1007/BF02813382

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  • DOI: https://doi.org/10.1007/BF02813382

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