| Revista: | Revista mexicana de física |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000425916 |
| ISSN: | 0035-001X |
| Autors: | Shehadeh, Zuhair F1 El Shawaf, Reham M1 |
| Institucions: | 1Taif University, Physics Department, Taif. Arabia Saudita |
| Any: | 2017 |
| Període: | May-Jun |
| Volum: | 63 |
| Número: | 3 |
| País: | México |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Analítico, teórico |
| Resumen en inglés | The data for elastically scattered charged pions from few nuclei, namely 16 O, 28 Si, 30 Si, 32 S, 34 S, 40 Ca, 43 Ca, 56 Fe, 58 Ni, 64 Ni and 90 Zr have been analyzed by obtained potentials using a suggested scaling procedure. Originally the π ± - 12 C elastic scattering data at 50 MeV was nicely fitted by a parameterized simple local optical potential extracted from available phase shifts using inverse scattering theory. The potential parameters of the π ± - 12 C systems were scaled to π ± - 16 O systems and then successively to other few systems covering the scattering of charged pions from target nuclei and isotopes, namely π ± - 28 Si, 30 Si, π ± - 32 S, 34 S, π ± - 40 Ca, 48 Ca, π ± - 56 Fe, π ± - 58 Ni, 64 Ni and π ± - 90 Zr. For all these systems, the obtained scaled potentials showed a remarkable success in explaining the available elastic scattering data at 50 MeV. For the first time, simple scaling relations are well established, and are used in explaining successfully the elastic differential and integral cross sections. This motivates using the scaling procedure to predict pion-nucleus potentials capable of explaining measured angular distributions for the scattering of charged pions off other target nuclei, and few isotopes, at energies in the low energy region |
| Disciplines | Física y astronomía |
| Paraules clau: | Física, Potencial pionero, Ecuación de Klein-Gordon, Dispersión elástica, Teoría de la dispersión inversa, Análisis de cambio de fase, Física de baja energía |
| Keyword: | Physics, Pion-nucleus potential, Klein-Gordon equation, Elastic scattering, Inverse scattering theory, Phase shift analysis, Low-energy physics |
| Text complet: | Texto completo (Ver HTML) Texto completo (Ver PDF) |
