Abstract
We shall discuss the nuclear spin response as measured in charge exchange reactions at intermediate energies. We shall especially be interested in the spin-longitudinal part of the response. This is where the largest effects from particle-hole correlations at larger momentum transfer are expected. The attraction in the spin-isospin channel as seen in NN scattering and dominantly coming from one pion exchange would give very dramatic effects inside a nucleus. That is, if we just took the particle-hole interaction equal to the free NN-interaction in this \(\overrightarrow \sigma \overrightarrow q\) spin-longitudinalchannel. Similar dramatic effects could be expected in the Δ-region. The question is then, what are the effective particle-hole or Δ-hole interactions at finite momentum transfers.
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Gaarde, C. (1991). Spin-Longitudinal Correlations. In: Wissink, S.W., Goodman, C.D., Walker, G.E. (eds) Spin and Isospin in Nuclear Interactions. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3834-9_26
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DOI: https://doi.org/10.1007/978-1-4615-3834-9_26
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