Regge trajectories for the square-well potential

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From the analytic expression of the S-matrix we discuss the behaviour of the Regge trajectories for the square-well potential. First, the position of the poles for zero energy are found. For attractive potential, they are all real and infinite in number ; the value of l being bounded from above. Whe...

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Detalles Bibliográficos
Autores principales: Bollini, C.G., Giambiagi, J.J.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00296341_v28_n2_p341_Bollini
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00296341_v28_n2_p341_Bollini
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spelling todo:paper_00296341_v28_n2_p341_Bollini2023-10-03T14:39:31Z Regge trajectories for the square-well potential Bollini, C.G. Giambiagi, J.J. From the analytic expression of the S-matrix we discuss the behaviour of the Regge trajectories for the square-well potential. First, the position of the poles for zero energy are found. For attractive potential, they are all real and infinite in number ; the value of l being bounded from above. When the energy is increased, the poles move to the right becoming complex and approaching infinity with the energy. For negative energy they move to the left along the real axis, but eventually they become complex, approaching also infinity through complex values when the energy goes to minus infinite. © 1963 Società Italiana di Fisica. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00296341_v28_n2_p341_Bollini
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description From the analytic expression of the S-matrix we discuss the behaviour of the Regge trajectories for the square-well potential. First, the position of the poles for zero energy are found. For attractive potential, they are all real and infinite in number ; the value of l being bounded from above. When the energy is increased, the poles move to the right becoming complex and approaching infinity with the energy. For negative energy they move to the left along the real axis, but eventually they become complex, approaching also infinity through complex values when the energy goes to minus infinite. © 1963 Società Italiana di Fisica.
format JOUR
author Bollini, C.G.
Giambiagi, J.J.
spellingShingle Bollini, C.G.
Giambiagi, J.J.
Regge trajectories for the square-well potential
author_facet Bollini, C.G.
Giambiagi, J.J.
author_sort Bollini, C.G.
title Regge trajectories for the square-well potential
title_short Regge trajectories for the square-well potential
title_full Regge trajectories for the square-well potential
title_fullStr Regge trajectories for the square-well potential
title_full_unstemmed Regge trajectories for the square-well potential
title_sort regge trajectories for the square-well potential
url http://hdl.handle.net/20.500.12110/paper_00296341_v28_n2_p341_Bollini
work_keys_str_mv AT bollinicg reggetrajectoriesforthesquarewellpotential
AT giambiagijj reggetrajectoriesforthesquarewellpotential
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