학술논문
Pinning down electron correlations in RaF via spectroscopy of excited states
Document Type
Working Paper
Author
Athanasakis-Kaklamanakis, M.; Wilkins, S. G.; Skripnikov, L. V.; Koszorus, A.; Breier, A. A.; Au, M.; Belosevic, I.; Berger, R.; Bissell, M. L.; Borschevsky, A.; Brinson, A.; Chrysalidis, K.; Cocolios, T. E.; de Groote, R. P.; Dorne, A.; Fajardo-Zambrano, C. M.; Field, R. W.; Flanagan, K. T.; Franchoo, S.; Ruiz, R. F. Garcia; Gaul, K.; Geldhof, S.; Giesen, T. F.; Hanstorp, D.; Heinke, R.; Isaev, T. A.; Kyuberis, A. A.; Kujanpaa, S.; Lalanne, L.; Neyens, G.; Nichols, M.; Pasteka, L. F.; Perrett, H. A.; Reilly, J. R.; Rothe, S.; Udrescu, S. -M.; Borne, B. van den; Wang, Q.; Wessolek, J.; Yang, X. F.; Zuelch, C.
Source
Subject
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Abstract
We report the spectroscopy of 11 electronic states in the radioactive molecule radium monofluoride (RaF). The observed excitation energies are compared with state-of-the-art relativistic Fock-space coupled cluster (FS-RCC) calculations, which achieve an agreement of >99.71% (within ~8 meV) for all states. High-order electron correlation and quantum electrodynamics corrections are found to be important at all energies. Establishing the accuracy of calculations is an important step towards high-precision studies of these molecules, which are proposed for sensitive searches of physics beyond the Standard Model.
Comment: Submitted for publication
Comment: Submitted for publication