Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2003-09-25
Physics
Nuclear Physics
Nuclear Theory
7 pages, 4 figs, 1 table
Scientific paper
10.1103/PhysRevC.70.025202
We generalize the recoil polarization method for the determination of the proton form factor to the case of the disintegration of vector polarized deuterons by longitudinally polarized electrons, $\vec d(\vec e, e'n)p$. We suggest to measure for this reaction, in the kinematics of quasi-elastic $en$-scattering, the ratio $R_{xz}=A_x/A_z$ of the asymmetries induced by the $x$- and $z$-components of the deuteron vector polarization. In the framework of the relativistic impulse approximation the ratio $R_{xz}$ is sensitive to $G_{En}$ in a wide interval of momentum transfer squared, whereas it depends weakly on the details of the $np$-interaction and on the choice of the deuteron wave function. Moreover, in the range $0.5\le Q^2\le$1.5 GeV$^2$, the ratio $R_{xz}$ shows a smooth dependence on $Q^2$, making the analysis simpler.
Gakh G. I.
Rekalo A. P.
Rekalo Michail P.
Tomasi-Gustafsson Egle
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