Abstract
In this lecture, I discuss how one can correlate and unify several aspects of medium-energy nuclear physics and learn about the mesonic and other degrees of freedom in nuclear structure. One of the main objectives of meson factories is precisely to probe such degrees of freedom and I shall show how this objective can actually be achieved.
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References
See Mesons in Nuclei, ed. by M. Rho and D.H. Wilkinson (North-Holland Publishing Co., in press).
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The close connection between g’ operative in the quenching of Gamow-Teller m.e. ‘s and the generalized Lorentz-Lorenz was first pointed out in
M. Ericson, A. Figureau and C. Thevenet, Phys. Lett. 45B, 19 (1973), and phrased in the form presented here by myself in Nucl. Phys. A231, 493 (1974). That the g’ effect accounts indeed largely for the observed trends in light nuclei was re-emphasized in my Erice lectures, ref. 9. I believe that the recent calculations by Oset and myself confirm this assertion. See also F. Khanna and I. Towner in this proceeding, and also Phys. Rev. Lett. 42, 51 (1979).
A.B. Migdal, Rev. of Mod. Phys. 50, 107 (1978). It is easy to find an example where g’ and can differ. Consider a scalar meson-exchange potential. In direct particle-hole channel, it contributes nothing to g’ and g’. But_in the exchange term, it can contribute to g’ but not to g’.
J. Meyer-ter-Vehn, contribution to the Symposium on Relativist ic Heavy-Ion Research, GSI Darmstadt, March 7–10, 1978.
P. Bonche, H. Pirner, M. Rho and K. Yazaki, to be published.
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Rho, M. (1979). Axial Currents and Pionic Modes in Nuclei. In: Castel, B., Goulard, B., Khanna, F.C. (eds) Common Problems in Low- and Medium-Energy Nuclear Physics. NATO Advanced Study Institutes Series, vol 45. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8950-7_4
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DOI: https://doi.org/10.1007/978-1-4684-8950-7_4
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