Kyuberis, A.A. - Search Results - CERN Document Server

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Theoretical determination of the ionization potentials of ScF, YF, LaF, and AcF / Kyuberis, Aleksandra A. (Groningen U.) ; Pasteka, Lukas F. (Groningen U. ; Comenius U.) ; Eliav, Ephraim (Tel Aviv U. (main)) ; Sunaga, Ayaki (Eotvos U.) ; Au, Mia (CERN ; Mainz U.) ; Wilkins, Shane G. (MIT) ; Borschevsky, Anastasia (Groningen U.)
We present a comprehensive theoretical study of the ionization potentials of the MF (M = Sc, Y, La, Ac) molecules using the state-of-the-art relativistic coupled cluster approach with single, double, and perturbative triple excitations (CCSD(T)). We have further corrected our results for higherorder excitations (up to full triples), the QED self-energy and vacuum-polarization contributions. [...]
arXiv:2502.17451.- 2025-04-23 - 8 p. - Published in : Phys. Rev. A 111 (2025) 042823 Fulltext: PDF;

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Ionization potential of radium monofluoride / Wilkins, S.G. (MIT) ; Perrett, H.A. (Manchester U.) ; Udrescu, S.M. (MIT) ; Kyuberis, A.A. (U. Groningen, VSI) ; Pašteka, L.F. (U. Groningen, VSI ; Comenius U.) ; Au, M. (CERN ; Mainz U.) ; Belošević, I. (MIT ; TRIUMF) ; Berger, R. (Philipps U. Marburg) ; Binnersley, C.L. (Manchester U.) ; Bissell, M.L. (Manchester U.) et al.
The ionization potential (IP) of radium monofluoride (RaF) was measured to be 4.969(2)[10] eV, revealing a relativistic enhancement in the series of alkaline earth monofluorides. [...]
arXiv:2408.14673. - 10.
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Radiative lifetime of the A 2Π1/2 state in RaF with relevance to laser cooling / ISOLDE Collaboration
The radiative lifetime of the $A$$^2 \Pi_{1/2}$ (v=0) state in radium monofluoride (RaF) is measured to be 35(1) ns. The lifetime of this state and the related decay rate $\Gamma = 2.86(8) \times 10^7$$s^{-1}$ are of relevance to the laser cooling of RaF via the optically closed $A$$^2 \Pi_{1/2} \leftarrow X$$^2\Sigma_{1/2}$ transition, which makes the molecule a promising probe to search for new physics. [...]
arXiv:2403.09336.- 2024-07-22 - 8 p. - Published in : Phys. Rev. A 110 (2024) L010802 Fulltext: PDF;

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Electron correlation and relativistic effects in the excited states of radium monofluoride / ISOLDE Collaboration
We report the spectroscopy of the 14 lowest excited electronic states in the radioactive molecule radium monofluoride (RaF). The observed excitation energies are compared with fully relativistic state-of-the-art Fock-space coupled cluster (FS-RCC) calculations, which achieve an agreement of >=99.64% (within ~12 meV) with experiment for all states. [...]
arXiv:2308.14862.- 2025-03-03 - 11 p. - Published in : Nature Commun. 16 (2025) 2139 Fulltext: 2308.14862 - PDF; document - PDF PDF;

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See also: similar author names
1	Kyuberis, A A
1	Kyuberis, A.
1	Kyuberis, Aleksandra A
1	Kyuberis, Aleksandra A.

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