Uncertainties in theoretical predictions for γd→π0d observables near threshold due to the use of different elementary amplitudes
Título del documento: Uncertainties in theoretical predictions for γd→π0d observables near threshold due to the use of different elementary amplitudes
Revista: Revista mexicana de física
Base de datos: PERIÓDICA
Número de sistema: 000460627
ISSN: 0035-001X
Autores: 1
2
4
2
Instituciones: 1Princess Nora Bint Abdulrahman University, College of Science, Riyadh. Arabia Saudita
2Taibah University, Faculty of Science, Medina. Arabia Saudita
3Sohag University, Faculty of Science, Sohag. Egipto
4King Khaled University, Faculty of Science, Abha, Asir. Arabia Saudita
5Al-Azhar University, Faculty of Science, Assiut, Cairo. Egipto
Año:
Periodo: Nov-Dic
Volumen: 68
Número: 6
País: México
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Analítico, teórico
Resumen en inglés We discuss possible uncertainties in theoretical predictions for γ d → π 0 d observables near threshold due to the use of different elementary γ N → π N amplitudes using an approach which is based on time-ordered perturbation theory. Results are presented for unpolarized cross sections and all possible spin asymmetries of differential and total cross sections. Our results indicate that the estimations of the uncertainty on the γ d → π 0 d observables show important sensitivity to the modeling of the elementary γ N → π N operator. A comparison to presently available experimental data is given. The results presented here are of particular interest for the evaluation of the systematic uncertainties caused by the use of different elementary operators in the analyses of γ d → π 0 d measurements to extract information on the free neutron amplitude from deuteron data
Disciplinas: Física y astronomía
Palabras clave: Física nuclear,
Producción de mesones,
Reacciones de fotoproducción,
Deuterón,
Fenómenos de polarización en las reacciones,
Observables de espín,
Rayos polarizados,
Objetivos polarizados
Keyword: Nuclear physics,
Meson production,
Photoproduction reactions,
Deuteron,
Polarization phenomena in reactions,
Spin observables,
Polarized beams,
Polarized targets
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