Summary
We propose a few general empirical laws summarizing our knowledge on two-body hadronic amplitudes. These systematics lead to a simple analytic parametrization of these amplitudes, allowing the reproduction of all the prominent features of the nonvacuum exchange data from 6 to 50 GeV/c. The obtained results, and in particular the ability of describing in a consistent way both meson and baryon exchanges, are encouraging and suggest that a framework may be found for new dynamical approaches.
Riassunto
Si propongono poche regole generali empiriche che riassumono le nostre conoscenze sulle ampiezze adroniche di due corpi. Questa sistematica porta a una semplice parametrizzazione analitica di queste ampiezze, permettendo di riprodurre tutti gli aspetti preminenti dei dati di scambio nel non vuoto da 6 a 50 GeV/c. I risultati ottenuti, e in particolare la capacità di descrivere in maniera consistente gli scambi sia di mesoni che di barioni, sono incorragianti e suggeriscono che si può trovare un inquadramento per nuovi approcci dinamici.
Резюме
Мы предлагаем несколько обших эмпирических законов, которые суммируют наши знания о двухчастичных адронных амплитудах. Предложенная систематика приводит к простой аналитической параметризации этих амплитуд, что позволяет воспроизвести все сушественные особенности экспериметальных данных в области от 6 до 50 Г эВ/с. Полученные результаты и, в частности, возможность описания непротиворечивым образом мезонных и барионных обменов являются обнадеживающими и дают возможность предположить, что может быть найдена основа для новых динамических подходов.
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Ader, J.P., Peschanski, R., Lacaze, R. et al. Reggeometry. Nuov Cim A 27, 385–411 (1975). https://doi.org/10.1007/BF02778251
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DOI: https://doi.org/10.1007/BF02778251