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Analytic model of Regge trajectories

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The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract:

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.

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Authors and Affiliations

  1. Dipartimento di Fisica, Università della Calabria, INFN, Gruppo collegato di Cosenza, I-87036 Arcavacata di Rende (CS) Italy, , , , , , IT

    R. Fiore & A. Papa

  2. Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of the Ukraine, 03143 Kiev, Ukraine, , , , , , UA

    L.L. Jenkovszky & V. Magas

  3. Dipartimento di Fisica, Università di Padova, INFN, Sezione di Padova, via F. Marzolo 8, I-35131 Padova, Italy, , , , , , IT

    F. Paccanoni

Authors
  1. R. Fiore
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  2. L.L. Jenkovszky
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  3. V. Magas
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  4. F. Paccanoni
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  5. A. Papa
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Additional information

Received: 23 January 2001 / Accepted: 9 February 2001

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Fiore, R., Jenkovszky, L., Magas, V. et al. Analytic model of Regge trajectories. Eur Phys J A 10, 217–221 (2001). https://doi.org/10.1007/s100500170133

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  • DOI: https://doi.org/10.1007/s100500170133

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