Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2005-10-24
Eur.Phys.J.A27:47-52,2006
Physics
Nuclear Physics
Nuclear Theory
14 pages, 5 figures
Scientific paper
10.1140/epja/i2005-10228-6
The two-body knock-out reaction 4He(e,e'd)d is calculated at various momentum transfers. The full four-nucleon dynamics is taken into account microscopically both in the initial and the final states. As NN interaction the central MT-I/III potential is used. The calculation shows a strong reduction of the coincidence cross section due to the final state interaction. Nonetheless the theoretical results exhibit a considerable overestimation of the experimental cross section at lower momentum transfer. Comparisons with other, less complete, calculations suggest that consideration of a more realistic ground state might not be sufficient for a good agreement with experiment, rather a more realistic final state interaction could play an essential role.
Andreasi Diego
Efros Victor D.
Leidemann Winfried
Orlandini Giuseppina
Quaglioni Sofia
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