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Open AccessArticle

Nuclear Spin-Dependent Effects of Parity Nonconservation in Ortho-H2

Department of Physics, St. Petersburg State University, 7/9 Universitetskaya Naberezhnaya, 199034 Saint Petersburg, Russia
Petersburg Nuclear Physics Institute Named by B.P. Konstantinov of National Research Centre “Kurchatov Institut”, St. Petersburg, 188300 Gatchina, Russia
Institut für Theoretische Physik, Technische Universität Dresden, D-01062 Dresden, Germany
Author to whom correspondence should be addressed.
Symmetry 2020, 12(1), 141;
Received: 27 November 2019 / Revised: 2 January 2020 / Accepted: 8 January 2020 / Published: 10 January 2020
(This article belongs to the Special Issue Development of New Methods in Atomic and Molecular Theory)
We report a theoretical treatment of the nuclear spin-dependent spatial parity nonconserving (NSD-PNC) electron–nuclear interaction effect in the diatomic homonuclear ortho-H 2 molecule. The magnetic dipole transition between v = 1 and v = 0 vibrational sublevels of the ground 1 Σ g + state is examined. The orthohydrogen molecule is a unique molecular system where the parity nonconserving (PNC) nuclear spin-dependent interaction due to the neutral weak currents can be directly observed and the corresponding coupling constant can be extracted from the future experiments. The theoretical simulation shows that using the cavity-enhanced scheme in conjunction with the record achievement of the intracavity absorption spectroscopy, the experiment on the observation of the NSD-PNC effect due to the neutral weak current in ortho-H 2 looks feasible. View Full-Text
Keywords: parity nonconservation; orthohydrogen molecule; weak neutral currents parity nonconservation; orthohydrogen molecule; weak neutral currents
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Chubukov, D.V.; Skripnikov, L.V.; Labzowsky, L.N.; Plunien, G. Nuclear Spin-Dependent Effects of Parity Nonconservation in Ortho-H2. Symmetry 2020, 12, 141.

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