About possibility to search the electron EDM at the level $10^{-28} ÷ 10^{-30}$ e$\cdot$cm and the constant of T-odd, P-odd scalar weak interaction of an electron with a nucleus at the level $10^{-5} ÷10^{-7}$ in the heavy atoms and ferroelectrics

Details About possibility to search the electron EDM at the level $10^{-28} ÷ 10^{-30}$ e$\cdot$cm and the constant of T-odd, P-odd scalar weak interaction of an electron with a nucleus at the level $10^{-5} ÷10^{-7}$ in the heavy atoms and ferroelectrics About possibility to search the electron EDM at the level $10^{-28} ÷ 10^{-30}$ e$\cdot$cm and the constant of T-odd, P-odd scalar weak interaction of an electron with a nucleus at the level $10^{-5} ÷10^{-7}$ in the heavy atoms and ferroelectrics

2005-08-26

arxiv.org/abs/hep-ph/0508271v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages

Scientific paper

The T-odd phenomenon of induction of the magnetic field by a static electric field provides to study the electron EDM and constants of T-odd, P-odd interaction of an electron with a nucleus. Measurement of this magnetic field for ferroelectric materials (like PbTiO_3) at the level B~3 10^{-18} G allows to derive the electric dipole moment of an electron at the level d_e ~ 10^{-30} e cm and the constant of T-odd scalar weak interaction of an electron with a nucleus at the level k_1^{nuc}10^{-9}. The atomic magnetometry makes possible to measure fields ~ 10^{-13} G/\sqrt{Hz} now. This means that for 10 days operation one can expect to obtain B at the level B ~ 10^{-16}G, and, therefore, the limits for d_e in PbTiO_3 at the level d_e ~ 10^{-28} and k_1^{nuc}~10^{-7}. that makes the discussed method beneficial for measuring d_e and k_1^{nuc}.

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