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Electric polarizability of nuclei and a longitudinal sum rule

✍ Scribed by A.I. L'vov

Book ID
104337066
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
370 KB
Volume
638
Category
Article
ISSN
0375-9474

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✦ Synopsis

Recently, a longitudinal sum rule for the electric polarizability of nuclei was used to revise a relativistic correction in the dipole sum rule for the polarizability. This revision is shown to be wrong because of neglecting an asymptotic contribution in the underlying dispersion relation. The status and correct use of the longitudinal sum rule is clarified. @ 1998 Elsevier Science B.V.

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QCD sum rules and electromagnetic polari
QCD sum rules and electromagnetic polarizabilities of a nucleon
✍ Tetsuo Nishikawa; Sakae Saito; Yoshihiko Kondo πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 986 KB

We investigate the electromagnetic polarizabilities of a nucleon using the method of QCD sum rules. The diagrams in the operator product expansion are taken into account up to dimension 6. We find that the polarizabilities of a nucleon can be expressed by means of three new kinds of susceptibilities