Note on the Thermal Behavior of the Neutron Electric Dipole Moment from QCD sum rules
M. Chabab, N. El Biaze, R. Markazi
Abstract
We use the method of thermal QCD sum rules to investigate the effects of temperature on the neutron electric dipole moment dn induced by the vacuum θ-angle. Then, we analyze and discuss the thermal behaviour of the ratio dn θ in connection with the restoration of the strong CP symmetry breaking.
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