Isotope Shifts of Radium Monofluoride Molecules
Udrescu, S. M., Brinson, A. J., Garcia Ruiz, R. F., 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., . . . Yang, X. F. (2021). Isotope Shifts of Radium Monofluoride Molecules. Physical Review Letters, 127(3), Article 033001. https://doi.org/10.1103/PhysRevLett.127.033001
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Physical Review LettersAuthors
Gaul, K. |
Date
2021Copyright
© 2021 the Authors
Isotope shifts of 223–226,228Ra19F were measured for different vibrational levels in the electronic transition A2Π1/2←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.
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American Physical Society (APS)ISSN Search the Publication Forum
0031-9007Keywords
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European CommissionFunding program(s)
Research infrastructures, H2020
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
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This work was supported by the ERC Consolidator Grant No. 648381 (FNPMLS); the Office of Nuclear Physics, U.S. Department of Energy, under Grants No. DE-SC0021176 and No. DE-SC0021179; the MIT international and technology initiatives Global Seed Funds; Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)—Projektnummer 328961117—SFB 1319 ELCH; STFC Grants No. ST/L005794/1, No. ST/P004423/1, and No. ST/L005786/1 and Ernest Rutherford Grant No. ST/L002868/1; projects from FWO-Vlaanderen, Geconcerteerde Onderzoeks Actie 15/010 from KU Leuven; the European Unions Grant Agreement 654002 (ENSAR2); the Russian Science Foundation under Grant No. 18-12-00227 (2020); the BMBF Grants No. 05P15HGCIA and No. 05P18HGCIA. The National Key RD Program of China (No. 2018YFA0404403) and the National Natural Science Foundation of China (No. 11875073). ...License
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