Javier R. Vignote

Relativistic mean field approximation to the analysis of 16 O ( e , e ′ p ) 15 N data at | Q 2 | 0.4 ( GeV / c ) 2

We use the relativistic distorted wave impulse approximation to analyze data on 16 O(e,ep) 15 N at |Q 2 | ≤ 0.4 (GeV/c) 2 that were obtained by differ- ent groups and seemed controversial. Results for differential cross-sections, response functions and ATL asymmetry are discussed and compared to dif- ferent sets of experimental data for proton knockout from p1/2 and p3/2 shells in 16 O. We compare with a nonrelativistic approach to better identify rel- ativistic effects. The present relativistic approach is found to accommodate most of the discrepancy between data from different groups, smoothing a long standing controversy.

A(e, e'p)B responses: From bare nucleons to complex nuclei

We study the occurrence of factorization in polarized and unpolarized observables in coincidence quasielastic electron scattering. Starting with the relativistic distorted wave impulse approximation, we reformulate the effective momentum approximation and show that the latter leads to observables which factorize under some specific conditions. Within this framework, the role played by final state interactions and, in particular, by the spin-orbit term is explored. Connection with the nonrelativistic formalism is studied in depth. Numerical results are presented to illustrate the analytical derivations and to quantify the differences between factorized and unfactorized approaches.

Analysis of polarizedO16(e⃗,e′p⃗)observables within the relativistic distorted wave impulse approximation

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

Gamow-Teller strength distributions in Xe isotopes

p_{1/2}

Measurement of RLT and ATL in the 4He(e, e’p)3H reaction at pmiss of 130-300 MeV/ c

,

Relativistic Description of 3He (e, e′ p)2H

p_{3/2}

A(e-vector,e{sup '}p-vector)B responses: From bare nucleons to complex nuclei

and

Relativity in Polarized Electron Scattering Observables

s_{1/2}

A

shells in

(\vec{e},e'\vec{p})

^{16}