Triplet np Final State Interactions at Large Momentum Transfers

Details Triplet np Final State Interactions at Large Momentum Transfers Triplet np Final State Interactions at Large Momentum Transfers

1996-09-12

arxiv.org/abs/nucl-th/9609032v1

Phys.Lett. B389 (1996) 440-444

Physics

Nuclear Physics

Nuclear Theory

14 pages, LaTeX type, includes 4 EPS figures. Submitted to Physics Letters B

Scientific paper

10.1016/S0370-2693(96)01325-1

Using the simple relation between the np scattering and bound state wave functions, the spin-triplet contributions to the pp -> pi+ (pn) and backward dp -> p(pn) reactions are estimated for low np excitation energies. The good agreement with the pion production data at 400 and 450 MeV over a range of angles shows that spin-singlet final states cannot be more than of the order of 10%. On the other hand it is seen that the spin-singlet states must provide about 30% of the strength in pion production at 1 GeV as well as deuteron-proton backward scattering at 1.6 GeV.

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