163 citations · 1.1k across the 27 of their papers we have counts for
27 papers
Nuclear charge radii of aluminium isotopes at the proton drip line
Alex Brinson, Brooke Rickey, Pierre Arthuis +35
Understanding the evolution of nuclear size away from stability remains a central challenge in nuclear physics. In neutron-deficient systems, charge radii can be highly sensitive t…
Commissioning the Resonance Ionization Spectroscopy Experiment at FRIB
A. J. Brinson, B. J. Rickey, J. M. Allmond +14
This manuscript reports on the commissioning of the Resonance Ionization Spectroscopy Experiment (RISE) at the BECOLA facility at FRIB. The new instrument implements the collinear…
Laser spectroscopy and CP-violation sensitivity of actinium monofluoride
M. Athanasakis-Kaklamanakis, M. Au, A. Kyuberis +39
The apparent invariance of the strong nuclear force under combined charge conjugation and parity (CP) remains an open question in modern physics. Precision experiments with heavy a…
Charge Radii Measurements of Exotic Tin Isotopes in the Proximity of and
F. P. Gustafsson, L. V. Rodríguez, R. F. Garcia Ruiz +51
We report nuclear charge radii for the isotopes Sn, measured using two different collinear laser spectroscopy techniques at ISOLDE-CERN. These measurements clarify the…
Ionization potential of radium monofluoride
S. G. Wilkins, H. A. Perrett, S. M. Udrescu +43
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. T…
Radiative lifetime of the A 2Π1/2 state in RaF with relevance to laser cooling
M. Athanasakis-Kaklamanakis, S. G. Wilkins, P. Lassègues +38
The radiative lifetime of the (v=0) state in radium monofluoride (RaF) is measured to be 35(1) ns. The lifetime of this state and the related decay rate $Γ= 2.86(8…
Observation of the distribution of nuclear magnetization in a molecule
S. G. Wilkins, S. M. Udrescu, M. Athanasakis-Kaklamanakis +33
Rapid progress in the experimental control and interrogation of molecules, combined with developments in precise calculations of their structure, are enabling new opportunities in…
Electromagnetic Properties of Indium Isotopes Elucidate the Doubly Magic Character of Sn
J. Karthein, C. M. Ricketts, R. F. Garcia Ruiz +24
Our understanding of nuclear properties in the vicinity of Sn, suggested to be the heaviest doubly magic nucleus with equal numbers of protons (Z=50) and neutrons (N=50), h…
Accurate theoretical determination of the ionization potentials of CaF, SrF, and BaF
A. A. Kyuberis, L. F. Pasteka, E. Eliav +6
We present a comprehensive theoretical study of the ionization potentials of the MF (M= Ca, Sr, Ba) molecules using the state-of-the-art relativistic coupled cluster approach with…
Pinning down electron correlations in RaF via spectroscopy of excited states and high-accuracy relativistic quantum chemistry
M. Athanasakis-Kaklamanakis, S. G. Wilkins, L. V. Skripnikov +53
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 full…
In-source and in-trap formation of molecular ions in the actinide mass range at CERN-ISOLDE
M. Au, M. Athanasakis-Kaklamanakis, L. Nies +22
The use of radioactive molecules for fundamental physics research is a developing interdisciplinary field limited dominantly by their scarce availability. In this work, radioactive…
Voltage scanning and technical upgrades at the Collinear Resonance Ionization Spectroscopy experiment
Michail Athanasakis-Kaklamanakis, Jordan R. Reilly, Agota Koszorus +16
To optimize the performance of the Collinear Resonance Ionization Spectroscopy (CRIS) experiment at CERN-ISOLDE, technical upgrades are continuously introduced, aiming to enhance i…
King-plot analysis of isotope shifts in simple diatomic molecules
Michail Athanasakis-Kaklamanakis, Shane G. Wilkins, Alexander A. Breier +1
We demonstrate that the isotope shift in isotopomers of diatomic molecules, where the nucleus of one of its constituent atoms is replaced by another isotope, can be expressed as th…
Laser Spectroscopy for the Study of Exotic Nuclei
X. F. Yang, S. J. Wang, S. G. Wilkins +1
Investigation into the properties and structure of unstable nuclei far from stability remains a key avenue of research in modern nuclear physics. These efforts are motivated by the…
Electromagnetic moments of scandium isotopes and isotones in the distinctive orbit
S. W. Bai, Á. Koszorús, B. S. Hu +31
The electric quadrupole moment of Sc was measured by collinear laser spectroscopy at CERN-ISOLDE to be b, and a nearly tenfold improvement in precis…
Mass measurements of 99-101In challenge ab initio nuclear theory of the nuclide 100Sn
M. Mougeot, D. Atanasov, J. Karthein +23
100Sn is of singular interest for nuclear structure. Its closed-shell proton and neutron configuration exhibit exceptional binding and 100Sn is the heaviest nucleus comprising prot…
A concept for the extraction of the most refractory elements at CERN-ISOLDE as carbonyl complex ions
J. Ballof, K. Chrysalidis, Ch. E. Düllmann +10
We introduce a novel thick-target concept tailored to the extraction of refractory 4d and 5d transition metal radionuclides of molybdenum, technetium, ruthenium and tungsten for ra…
Neutron occupancies and single-particle energies across the stable tin isotopes
S. V. Szwec, D. K. Sharp, B. P. Kay +14
The occupancies and vacancies of the valence neutron orbitals across the stable tin isotopic chain from have been determined. These were inferred from the cross…
Isotope Shifts of Radium Monofluoride Molecules
S. M. Udrescu, A. J. Brinson, R. F. Garcia Ruiz +25
Isotope shifts of RaF were measured for different vibrational levels in the electronic transition . The observed isoto…
Superradiance of molecular nitrogen ions in strong laser fields
Q. Wang, P. Ding, S. G. Wilkins +5
We perform a combined theoretical and experimental investigation of the superradiance in the quantum coherent system generated by strong laser fields. The semiclassical theory of s…
Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of
Á. Koszorús, X. F. Yang, W. G. Jiang +26
Nuclear charge radii are sensitive probes of different aspects of the nucleon-nucleon interaction and the bulk properties of nuclear matter; thus, they provide a stringent test and…
The electron affinity of astatine
David Leimbach, Julia Sundberg, Yangyang Guo +35
One of the most important properties influencing the chemical behavior of an element is the energy released with the addition of an extra electron to the neutral atom, referred to…
Analytic Response Relativistic Coupled-Cluster Theory: The first application to indium isotope shifts
B. K. Sahoo, A. R. Vernon, R. F. Garcia Ruiz +16
With increasing demand for accurate calculation of isotope shifts of atomic systems for fundamental and nuclear structure research, an analytic energy derivative approach is presen…
Measurement and microscopic description of odd-even staggering of charge radii of exotic copper isotopes
R. P. de Groote, J. Billowes, C. L. Binnersley +23
The mesoscopic nature of the atomic nucleus gives rise to a wide array of macroscopic and microscopic phenomena. The size of the nucleus is a window into this duality: while the ch…