Isotope Shifts of Radium Monofluoride Molecules

Isotope shifts of 223–226,228Ra19F were measured for different vibrational levels in the electronic transition A2II1/2 ← X2Σ+. The observed isotope shifts demonstrate the particularly high sensitivity of radium monofluoride to nuclear size effects, offering a stringent test of models describing the...

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Vydáno v:	Physical review letters Ročník 127; číslo 3; s. 1
Hlavní autoři:	Udrescu, S. M., Brinson, A. J., Ruiz, R. F. Garcia, Gaul, K., Berger, R., Billowes, J., Binnersley, C. L., Bissell, M. L., Breier, A. A., Chrysalidis, K., Cocolios, T. E., Cooper, B. S., Flanagan, K. T., Giesen, T. F., de Groote, R. P., Franchoo, S., Gustafsson, F. P., Isaev, T. A., Koszorús, Á., Neyens, G., Perrett, H. A., Ricketts, C. M., Rothe, S., Vernon, A. R., Wendt, K. D. A., Wienholtz, F., Wilkins, S. G., Yang, X. F.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	College Park American Physical Society 16.07.2021 American Physical Society (APS)
Témata:	ab initio calculations atomic & molecular structure fundamental symmetries Hartree-Fock methods molecular physics molecular spectra Molecular structure molecule trapping & guiding Nuclear Experiment nuclear physics Nuclear structure optical absorption spectroscopy Physics Quantum chemistry radioactive isotopes radioactive molecules Radium relativistic & quantum electrodynamic effects in atoms, molecules,& ions Size effects
ISSN:	0031-9007, 1079-7114, 1079-7114
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Popis
Shrnutí:	Isotope shifts of 223–226,228Ra19F were measured for different vibrational levels in the electronic transition A2II1/2 ← X2Σ+. The observed isotope shifts demonstrate the particularly high sensitivity of radium monofluoride to nuclear size effects, offering a stringent test of models describing the electronic density within the radium nucleus. Ab initio quantum chemical calculations are in excellent agreement with experimental observations. These results highlight some of the unique opportunities that short-lived molecules could offer in nuclear structure and in fundamental symmetry studies.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 content type line 23 SC0021176 none USDOE Office of Science (SC), Nuclear Physics (NP)
ISSN:	0031-9007 1079-7114 1079-7114
DOI:	10.1103/PhysRevLett.127.033001