Relativistic description of 3He(e,e'p)2H
Alvarez-Rodriguez, R. · Udias, J. M. · Vignote, J. R. · Garrido, E. · Sarriguren, P. · de Guerra, E. Moya · Pace, E. · Kievsky, A. · Salme, G.
Original · EN
The Relativistic Distorted-Wave Impulse Approximation is used to describe the ³He(e,e′ p)²H process. We describe the ³He nucleus within the adiabatic hyperspherical expansion method with realistic nucleon-nucleon interactions. The overlap between the ³He 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.
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