Electro-Disintegration of Tensor Polarized Deuterium

A tensor polarized target in Hall A at Jefferson Lab would offer the possibility to measure the D(e, e\u27p)n cross section for the Ms = 0 and the Ms = ±1 states separately (the quantization axis is along the momentum transfer). These data would serve as a new, stringent test of our current understanding of the deuteron structure for missing momenta up to 450 MeV/c, a region where the deuteron wave function is dominated by the D-state. No data exist to date for missing momenta above 150 MeV/c. The technique to separate these cross sections, possible kinematic settings, and a rough estimate of the achievable precision is presented

Phenomenology of the deuteron electromagnetic form factors

A rigorous extraction of the deuteron charge form factors from tensor polarization data in elastic electron-deuteron scattering, at given values of the 4-momentum transfer, is presented. Then the world data for elastic electron-deuteron scattering is used to parameterize, in three different ways, the three electromagnetic form factors of the deuteron in the 4-momentum transfer range 0-7 fm. This procedure is made possible with the advent of recent polarization measurements. The parameterizations allow a phenomenological characterization of the deuteron electromagnetic structure. They can be used to remove ambiguities in the form factors extraction from future polarization data

D(e,e′p) data

One hopes to learn about the short range structure of the deuteron by measuring the D(e,e′p)n cross section at large nucleon momenta. The problems of previous experiments are discussed and a recent Hall A experiment at Jefferson Lab is presented.PACS: 25.10.+s Nuclear reactions involving few nucleon systems – 25.30.-c Lepton-induced reactions – 25.30.Fj Inelastic electron scattering to continuu

Double scattering in deuteron electrodisintegration

We demonstrate that at sufficiently high energies when the eikonal regime is established for hadronic interactions, the double scattering subprocess can be clearly identified and isolated in quasi-elastic deuteron electro-disintegration processes. Comparing theoretical calculations with the recent high precision experimental data we present a “proof of principle” that these processes can be used to study advanced issues related to hadron formation in QCD. In this case, the double scattering represents as a fermi-scale “detector” which probes products of high Q2 scattering from the bound nucleon through their rescattering from the spectator nucleon in the deuteron