Electromagnetic sum rules

  • Giuseppina Orlandini
II. Collective Phonemona
Part of the Lecture Notes in Physics book series (LNP, volume 137)


The sum rules (SR) are introduced showing their connection with the linear response of a nucleus to an external electromegnetic field. Their relation to some macroscopic “collective” aspects of the nucleus are briefly outlined. Energy weighted sum rules (EWSR) for electron scattering at constant momentum transfer are studied for light and medium weight nuclei. The q-dependence of the different contributions to these SR permits to discuss the rôle of the nuclear potential and of correlations in the electroexcitation process.


Symmetry Energy Double Commutator Photon Point Inelastic Form Factor Multipole Decomposition 
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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • Giuseppina Orlandini
    • 1
  1. 1.Dipartimento di Matematica e FisicaUniversitd di TrentoPovo (Trento)Italy

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