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Open AccessArticle

Study of HgOH to Assess Its Suitability for Electron Electric Dipole Moment Searches

1
Atomic, Molecular and Optical Physics Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380009, India
2
Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
3
Centre for Quantum Engineering, Research and Education (CQuERE), TCG CREST, Salt Lake, Kolkata 700091, India
4
Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
5
Department of Chemistry, Tokyo Metropolitan University, 1-1, Minami-Osawa, Hachioji-city, Tokyo 192-0397, Japan
6
Department of Physics, Tokyo Institute of Technology, 2-12-1-H86 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
*
Author to whom correspondence should be addressed.
Received: 27 November 2020 / Revised: 14 January 2021 / Accepted: 14 January 2021 / Published: 19 January 2021
In search of suitable molecular candidates for probing the electric dipole moment (EDM) of the electron (de), a property that arises due to parity and time-reversal violating (P,T-odd) interactions, we consider the triatomic mercury hydroxide (HgOH) molecule. The impetus for this proposal is based on previous works on two systems: the recently proposed ytterbium hydroxide (YbOH) experiment that demonstrates the advantages of polyatomics for such EDM searches, and the finding that mercury halides provide the highest enhancement due to de compared to other diatomic molecules. We identify the ground state of HgOH as being in a bent geometry, and show that its intrinsic EDM sensitivity is comparable to the corresponding value for YbOH. Along with the theoretical results, we discuss plausible experimental schemes for an EDM measurement in HgOH. Furthermore, we provide pilot calculations of the EDM sensitivity for de for HgCH3 and HgCF3, that are natural extensions of HgOH. View Full-Text
Keywords: electron electric dipole moment; polyatomic molecules; HgOH; effective electric field; molecular electric dipole moment electron electric dipole moment; polyatomic molecules; HgOH; effective electric field; molecular electric dipole moment
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MDPI and ACS Style

Mitra, R.; Prasannaa, V.S.; Sahoo, B.K.; Hutzler, N.R.; Abe, M.; Das, B.P. Study of HgOH to Assess Its Suitability for Electron Electric Dipole Moment Searches. Atoms 2021, 9, 7. https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010007

AMA Style

Mitra R, Prasannaa VS, Sahoo BK, Hutzler NR, Abe M, Das BP. Study of HgOH to Assess Its Suitability for Electron Electric Dipole Moment Searches. Atoms. 2021; 9(1):7. https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010007

Chicago/Turabian Style

Mitra, Ramanuj; Prasannaa, V. S.; Sahoo, Bijaya K.; Hutzler, Nicholas R.; Abe, Minori; Das, Bhanu P. 2021. "Study of HgOH to Assess Its Suitability for Electron Electric Dipole Moment Searches" Atoms 9, no. 1: 7. https://0-doi-org.brum.beds.ac.uk/10.3390/atoms9010007

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