A model for a Regge trajectory compatible with the threshold behavior required by unitarity and asymptotics in agreement with analyticity constraints is given in explicit form. The model is confronted in the time-like region with widths and masses of the mesonic resonances and, in the space-like region, the ρ trajectory is compared with predictions derived from the π-N charge-exchange reaction. Breaking of the exchange degeneracy is studied in the model and its effect on both the masses and widths is determined.
Analytic model of Regge trajectories / Fiore, R.; Jenkovszky, L. L.; Magas, V.; Paccanoni, F.; Papa, Alessandro. - In: THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI. - ISSN 1434-6001. - 10(2001), pp. 217-221.
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Titolo: | Analytic model of Regge trajectories |
Autori: | |
Data di pubblicazione: | 2001 |
Rivista: | |
Citazione: | Analytic model of Regge trajectories / Fiore, R.; Jenkovszky, L. L.; Magas, V.; Paccanoni, F.; Papa, Alessandro. - In: THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI. - ISSN 1434-6001. - 10(2001), pp. 217-221. |
Handle: | http://hdl.handle.net/20.500.11770/147703 |
Appare nelle tipologie: | 1.1 Articolo in rivista |