${{\boldsymbol e}}$ ELECTRIC DIPOLE MOMENT (d) INSPIRE search

A nonzero value is forbidden by both $\mathit T$ invariance and $\mathit P$ invariance.
VALUE ($ 10^{-28} $ $\mathit e~$cm) CL% DOCUMENT ID TECN  COMMENT
$\bf{<0.87}$ 90 1
BARON
2014
CNTR ${}^{}\mathrm {ThO}$ molecules
• • • We do not use the following data for averages, fits, limits, etc. • • •
$<1.3$ 90 2
CAIRNCROSS
2017
ESR ${}^{180}\mathrm {Hf}{}^{19}\mathrm {F}$ molecules
$-5570$ $\pm7980$ $\pm120$
KIM
2015
CNTR Gd$_{3}$Ga$_{5}O_{12}$ molecules
$<6050$ 90 3
ECKEL
2012
CNTR Eu$_{0.5}$Ba$_{0.5}$TiO$_{3}$ molecules
$<10.5$ 90 4
HUDSON
2011
NMR ${}^{}\mathrm {YbF}$ molecules
$6.9$ $\pm7.4$
REGAN
2002
MRS ${}^{205}\mathrm {Tl}$ beams
$18$ $\pm12$ $\pm10$ 5
COMMINS
1994
MRS ${}^{205}\mathrm {Tl}$ beams
$-27$ $\pm83$ 5
ABDULLAH
1990
MRS ${}^{205}\mathrm {Tl}$ beams
$-1400$ $\pm2400$
CHO
1989
NMR ${}^{}\mathrm {TlF}$ molecules
$-150$ $\pm550$ $\pm150$
MURTHY
1989
${}^{}\mathrm {Cs}$, no $\mathit B$ field
$-5000$ $\pm11000$
LAMOREAUX
1987
NMR ${}^{199}\mathrm {Hg}$
$19000$ $\pm34000$ 90
SANDARS
1975
MRS Thallium
$7000$ $\pm22000$ 90
PLAYER
1970
MRS Xenon
$\text{<30000}$ 90
WEISSKOPF
1968
MRS Cesium
1  BARON 2014 gives a measurement corresponding to this limit as ($-0.21$ $\pm0.37$ $\pm0.25$) $ \times 10^{-28}{{\mathit e}}$cm.
2  CAIRNCROSS 2017 gives a measurement corresponding to this limit as ($0.09$ $\pm0.77$ $\pm0.17$) $ \times 10^{-28}{{\mathit e}}$cm.
3  ECKEL 2012 gives a measurement corresponding to this limit as ($-1.07$ $\pm3.06$ $\pm1.74$) $ \times 10^{-25}{{\mathit e}}$cm.
4  HUDSON 2011 gives a measurement corresponding to this limit as ($-2.4$ $\pm5.7$ $\pm1.5$) $ \times 10^{-28}{{\mathit e}}$cm.
5  ABDULLAH 1990 , COMMINS 1994 , and REGAN 2002 use the relativistic enhancement of a valence electron's electric dipole moment in a high-Z atom.
  Conservation Laws:
TIME REVERSAL ($\mathit T$) INVARIANCE PARITY ($\mathit P$) INVARIANCE
  References:
CAIRNCROSS 2017
PRL 119 153001 Precision Measurement of the Electronís Electric Dipole Moment using Trapped Molecular Ions
KIM 2015
PR D91 102004 New Experimental Limit on the Electric Dipole Moment of the Electron in a Paramagnetic Insulator
BARON 2014
SCIENCE 343 269 Order of Magnitude Smaller Limit on the Electric Dipole Moment of the Electron
ECKEL 2012
PRL 109 193003 Limit on the Electron Electric Dipole Moment using Paramagnetic Ferroelectric Eu$_{0.5}$Ba$_{0.5}$Ti$_{O3}$
HUDSON 2011
NAT 473 493 Improved Measurement of the Shape of the Electron
REGAN 2002
PRL 88 071805 New Limit on the Electron Electric Dipole Moment
COMMINS 1994
PR A50 2960 Improved Experimental Limit on the Electric Dipole Moment of the Electron
ABDULLAH 1990
PRL 65 2347 New Experimental Limit on the Electron Electric Dipole Moment
CHO 1989
PRL 63 2559 Tenfold Improvement of Limits on $\mathit T$ Violation in Thallium Fluoride
MURTHY 1989
PRL 63 965 New Limits on the Electron Electric Dipole Moment from Cesium
LAMOREAUX 1987
PRL 59 2275 New Constraints on Time Reversal Asymmetry from a Search for a Permanent Electric Dipole Moment of ${}^{199}\mathrm {Hg}$
SANDARS 1975
PR A11 473 Electric Dipole Moment Enhancement Factor for Thallium Atom, and a New Upper Limit on the Electric Dipole Moment of the Electron
PLAYER 1970
JP B3 1620 An Experiment to Search for an Electric Dipole Moment in the ${}^{3}P_{2}$ Metastable State of Xenon
WEISSKOPF 1968
PRL 21 1645 Electric Dipole Moment of the Cesium Atom. A New Upper Limit to the Electric Dipole Moment of the Electron