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New Limit on the Permanent Electric Dipole Moment of199Hg

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Romalis, M. V., Griffith, W. C., Jacobs, J. P., Fortson, E. N.·2001·Physical Review Letters

Abstract

We present the first results of a new search for a permanent electric dipole moment of the ${}^{199}\mathrm{Hg}$ atom using a UV laser. Our measurements give $d{(}^{199}\mathrm{Hg})\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}\ensuremath{-}(1.06\ifmmode\pm\else\textpm\fi{}0.49\ifmmode\pm\else\textpm\fi{}0.40)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}28}e\mathrm{cm}$. We interpret the result as an upper limit $|d{(}^{199}\mathrm{Hg})|<2.1\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}28}e\mathrm{cm}$ (95% C.L.), which sets new constraints on ${\overline{\ensuremath{\theta}}}_{\mathrm{QCD}}$, chromo-EDMs of the quarks, and CP violation in supersymmetric models.

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Metadata

Authors
Romalis, M. V., Griffith, W. C., Jacobs, J. P., & Fortson, E. N.
Venue
Physical Review Letters
Published
2001-03-19
Volume
86
Issue
12
Pages
2505-2508
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2167199722
Cited by
320
References
10
FWCI
22.63
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: New Limit on the Permanent Electric Dipole Moment of199Hg. https://app.cochat.ai/papers/10.1103/physrevlett.86.2505
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Romalis, M. V., Griffith, W. C., Jacobs, J. P., & Fortson, E. N. (2001). New Limit on the Permanent Electric Dipole Moment of199Hg. Physical Review Letters. https://doi.org/10.1103/physrevlett.86.2505

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