Search for an electric dipole moment of the neutron
Altarev I. S., Borisov Yu. V., Borovikova N. V., Brandin A. B., Egorov A. I., Ivanov S. N., Kolomenskii E. A., Lasakov M. S., Lobashev V. M., Pirozhkov A. N., Serebrov A. P., Sobolev Yu. V., Tal'daev R. R., Shul'gina B. V.
A CP-breaking effect of an electric dipole moment of the neutron has been measured by a method of prolonged confinement of ultracold neutrons. The measured value, dn = — (1.4 + 0.6) X 10 ~25 exm, is interpreted as a new upper limit: \dn | <2.6xl0~25 exm at a 95% confidence level.