Abstract
The existence of a non-zero electric dipole moment (EDM) implies the violation of time reversal symmetry. As the time-reversal symmetry violation predicted by the Standard Model (SM) for the electron EDM is too small to be observed with current experimental techniques and any a non-zero EDM would indicate new physics beyond the SM. The tiny signal from the electron EDM is enhanced in the heavy atoms such as francium (Fr). We are constructing the laser-cooled Fr factory to search for the electron EDM.
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The 5th International Symposium on Symmetries in Subatomic Physics (SSP 2012), Groningen, The Netherlands, 18–22 June 2012.
This work was partly supported by Grants-in-Aid for Scientific Research (Nos. 21244026, 21104005, 10F00023 and 23740166) and Tohoku University’s Focused Research Project.
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Kawamura, H., Aoki, T., Arikawa, H. et al. Search for permanent EDM using laser cooled Fr atoms. Hyperfine Interact 214, 133–139 (2013). https://doi.org/10.1007/s10751-013-0788-7
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DOI: https://doi.org/10.1007/s10751-013-0788-7