Uncertainties in theoretical predictions for γd→π0d observables near threshold due to the use of different elementary amplitudes
Document title: Uncertainties in theoretical predictions for γd→π0d observables near threshold due to the use of different elementary amplitudes
Journal: Revista mexicana de física
Database: PERIÓDICA
System number: 000460627
ISSN: 0035-001X
Authors: 1
2
4
2
Institutions: 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
Year:
Season: Nov-Dic
Volumen: 68
Number: 6
Country: México
Language: Inglés
Document type: Artículo
Approach: Analítico, teórico
English abstract 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
Disciplines: Física y astronomía
Keyword: 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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