Artículo
Analysis of polarized 16 O ( → e , e ′ → p ) observables within the relativistic distorted wave impulse approximation
Autor/es | Martínez Pérez, María Cristina
Rodríguez Vignote, Javier Caballero Carretero, Juan Antonio Donnelly, T. W. Moya de Guerra, E. Udías, J. M. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2004 |
Fecha de depósito | 2022-02-24 |
Publicado en |
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Resumen | Recoil nucleon transferred polarization observables in coincidence quasielastic electron scattering are studied within the relativistic distorted wave impulse approximation. Results for response functions and polarization ... Recoil nucleon transferred polarization observables in coincidence quasielastic electron scattering are studied within the relativistic distorted wave impulse approximation. Results for response functions and polarization asymmetries are discussed for proton knockout from p 1 ∕ 2 , p 3 ∕ 2 , and s 1 ∕ 2 shells in 16 O . The impact of spinor distortion is examined by comparing the fully relativistic calculation with results obtained by projecting out the negative-energy components. In particular, a careful analysis of effects linked to the description of the bound and scattered relativistic nucleon wave functions is presented. The high sensitivity of some polarization observables to the dynamical enhancement of the lower components, already shown within the relativistic plane wave impulse approximation, is proven to be maintained in the relativistic distorted wave approach. Semi-relativistic approaches based on the effective momentum approximation are also studied. Finally, comparison with experimental data and a brief analysis of effects linked to medium modified form factors is presented. |
Agencias financiadoras | Dirección Genera de Investigación (DGI). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) Junta de Andalucía Department of Energy. United States |
Identificador del proyecto | BFM2002-03315
BFM2002-03562 FPA2002-04181-C04-04 BFM2000-0600 DE-FC02-94ER40818 |
Cita | Martínez Pérez, M.C., Rodríguez Vignote, J., Caballero Carretero, J.A., Donnelly, T.W., Moya de Guerra, E. y Udías, J.M. (2004). Analysis of polarized 16 O ( → e , e ′ → p ) observables within the relativistic distorted wave impulse approximation. Physics Letters C, 69, 034604. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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PhysRevC.69.034604.pdf | 217.1Kb | [PDF] | Ver/ | |