Nucleon polarizabilities in the perturbative chiral quark model

Y. Dong, Amand Faessler, Th Gutsche, J. Kuckei, V. E. Lyubovitskij, K. Pumsa-Ard, P. Shen

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


The nucleon polarizabilities αE and βM are studied in the context of the perturbative chiral quark model. We demonstrate that meson-cloud effects are sufficient to explain the electric polarizability of the nucleon. Contributions of excited quark states to the paramagnetic polarizability are dominant and cancel the diamagnetic polarizability arising from the chiral field. The obtained results are compared to data and other theoretical predictions.

Original languageEnglish
Pages (from-to)203-220
Number of pages18
JournalJournal of Physics G: Nuclear and Particle Physics
Issue number2
Publication statusPublished - 1 Feb 2006
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

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