Strong CP violation and the neutron electric dipole form factor

J. Kuckei, C. Dib, A. Faessler, T. Gutsche, S. G. Kovalenko, V. E. Lyubovitskij, K. Pumsa-Ard

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


We calculate the neutron electric dipole form factor induced by the CP-violating θ term of QCD within a perturbative chiral quark model which includes pion and kaon clouds. On this basis, we derive the neutron electric dipole moment and the electron-neutron Schiff moment. From the existing experimental upper limits on the neutron electric dipole moment, we extract constraints on the θ parameter and compare our results with other approaches.

Original languageEnglish
Pages (from-to)349-357
Number of pages9
JournalPhysics of Atomic Nuclei
Issue number2
Publication statusPublished - Feb 2007
Externally publishedYes


  • 11.30.Er
  • 11.30.Rd
  • 12.39.Fe
  • 12.39.Ki
  • 13.40.Em
  • 14.20.Dh

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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