Structure functions for the three nucleon system

Details Structure functions for the three nucleon system Structure functions for the three nucleon system

2000-12-22

arxiv.org/abs/nucl-th/0012081v1

Phys.Rev.C64:024004,2001

Physics

Nuclear Physics

Nuclear Theory

30 pages, REVTeX, 11 figures

Scientific paper

10.1103/PhysRevC.64.024004

The spectral functions and light-cone momentum distributions of protons and neutrons in 3He and 3H are given in terms of the three-nucleon wave function for realistic nucleon-nucleon interactions. To reduce computational complexity, separable expansions are employed for the nucleon-nucleon potentials. The results for the light-cone momentum distributions suggest that they are not very sensitive to the details of the two-body interaction, as long as it has reasonable short-range repulsion. The unpolarised and polarised structure functions are examined for both 3He and 3H in order to test the usefulness of 3He as a neutron target. It is found that the measurement of the spin structure function of polarised 3H would provide a very clear test of the predicted change in the polarised parton distributions of a bound proton.

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