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19 April 2024 |
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Precise method for the determination of the neutron electric form factor based on a relativistic analysis of the process $d(e,e'n)p | | E. Tomasi-Gustafsson
; G. I. Gakh
; A. P. Rekalo
; M. P. Rekalo
; | | Date: |
25 Sep 2003 | | Subject: | nucl-th | | Abstract: | 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 $0.5le Q^2le$1.5 GeV$^2$, the ratio $R_{xz}$ shows a smooth dependence on $Q^2$, making the analysis simpler. | | Source: | arXiv, nucl-th/0309065 | | Services: | Forum | Review | PDF | Favorites | |
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