Techniques used to search for a permanent electric dipole moment of the199Hg atom and the implications forCPviolation | Zendy

M. D. Swallows | Zendy; T. Loftus | Zendy; W. C. Griffith | Zendy; B. R. Heckel | Zendy; E. N. Fortson | Zendy; Michael Romalis | Zendy

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Techniques used to search for a permanent electric dipole moment of the199Hg atom and the implications forCPviolation

Author(s) -

M. D. Swallows,

T. Loftus,

W. C. Griffith,

B. R. Heckel,

E. N. Fortson,

Michael Romalis

Publication year - 2013

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.87.012102

Subject(s) - physics , dipole , electric dipole moment , limit (mathematics) , atomic physics , moment (physics) , atom (system on chip) , electric dipole transition , diamagnetism , algorithm , magnetic dipole , quantum mechanics , mathematical analysis , computer science , mathematics , magnetic field , embedded system

We discuss in detail the search for a permanent electric dipole moment (EDM) of the 199Hg atom reported by Griffith et al. [Phys. Rev. Lett. 102, 101601 (2009)]. The upper bound, d(199Hg) < 3.1 × 10−29 e cm (95% C.L.), is a factor of 7 improvement over the best previous EDM limit for 199Hg, provides the most sensitive probe to date for EDMs in diamagnetic atoms, and sets new limits on time-reversal symmetry violation in extensions to the standard model. This paper provides extensive discussion of the techniques used to search for the 199Hg EDM and the implications of the new 199Hg EDM limit for CP violation in elementary particle interactions.

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