Journal
PHYSICAL REVIEW LETTERS
Volume 127, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.033001
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Funding
- ERC Consolidator Grant [648381]
- Office of Nuclear Physics, U.S. Department of Energy [DE-SC0021176, DE-SC0021179]
- MIT international and technology initiatives Global Seed Funds
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [328961117-SFB 1319 ELCH]
- STFC [ST/L005794/1, ST/P004423/1, ST/L005786/1]
- Ernest Rutherford Grant [ST/L002868/1]
- FWO-Vlaanderen
- KU Leuven [15/010]
- European Unions [654002]
- Russian Science Foundation [18-12-00227]
- BMBF [05P15HGCIA, 05P18HGCIA]
- National Key RD Program of China [2018YFA0404403]
- National Natural Science Foundation of China [11875073]
- U.S. Department of Energy (DOE) [DE-SC0021179, DE-SC0021176] Funding Source: U.S. Department of Energy (DOE)
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Isotope shifts of (223-226,228RaF)-F-19 were measured for different vibrational levels in the electronic transition A(2)Pi(1/2) <- X-2 Sigma(+). 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.
Isotope shifts of (223-226,228RaF)-F-19 were measured for different vibrational levels in the electronic transition A(2)Pi(1/2) <- X-2 Sigma(+). 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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