Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-10-10
Phys.Atom.Nucl. 70 (2007) 349-357
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 2 figures, accepted for publication in Phys. Atom. Nucl
Scientific paper
We calculate the neutron electric dipole form factor induced by the CP violating theta-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 theta-parameter and compare our results with other approaches.
Dib Claudio
Faessler Amand
Gutsche Th.
Kovalenko Sergey
Kuckei Jan
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