Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2001-11-06
J.Phys.G28:R37-R116,2002
Physics
Nuclear Physics
Nuclear Theory
review paper; 93 pages, 35 figures
Scientific paper
10.1088/0954-3899/28/4/201
Recent measurements of the deuteron electromagnetic structure functions A, B, and $T_{20}$ extracted from high energy elastic $ed$ scattering, and the cross sections and asymmetries extracted from high energy photodisintegration $\gamma+d\to n+p$, are reviewed and compared to theory. The theoretical calculations range from nonrelativistic and relativistic models using the traditional meson and baryon degrees of freedom, to effective field theories, to models based on the underlying quark and gluon degrees of freedom of QCD, including nonperturbative quark cluster models and perturbative QCD. We review what has been learned from these experiments, and discuss why elastic $ed$ scattering and photodisintegration seem to require very different theoretical approaches, even though they are closely related experimentally.
Gilman Robert
Gross Franz
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