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- Title
Relativistic Description of He (e, e′ p)H.
- Authors
Álvarez-Rodríguez, R.; Udías, J.; Vignote, J.; Garrido, E.; Sarriguren, P.; Moya de Guerra, E.; Pace, E.; Kievsky, A.; Salmè, G.
- Abstract
The relativistic distorted-wave impulse approximation is used to describe the He( e, e′ p)H process. We describe the He nucleus within the adiabatic hyperspherical expansion method with realistic nucleon-nucleon interactions. The overlap between the He and the deuteron wave functions can be accurately computed from a three-body calculation. The nucleons are described by solutions of the Dirac equation with scalar and vector (S-V) potentials. The wave function of the outgoing proton is obtained by solving the Dirac equation with a S-V optical potential fitted to elastic proton scattering data on the residual nucleus. Within this theoretical framework, we compute the cross section of the reaction and other observables like the transverse-longitudinal asymmetry, and compare them with the available experimental data measured at JLab.
- Subjects
RELATIVISTIC particles; HELIUM; NUCLEON-nucleon interactions; DEUTERONS; WAVE functions; DIRAC equation; PROTON scattering
- Publication
Few-Body Systems, 2011, Vol 50, Issue 1-4, p359
- ISSN
0177-7963
- Publication type
Article
- DOI
10.1007/s00601-010-0187-4