Nature Search

Electron correlation and relativistic effects in the excited states of radium monofluoride

Heavy-atom molecules can possess complicated electronic structures due to pronounced electron correlation and relativistic effects. Here, the authors describe electronic states of RaF in detail by combining accurate spectroscopy and theory approaches.

M. Athanasakis-Kaklamanakis
S. G. Wilkins
C. Zülch
ResearchOpen Access03 Mar 2025
Nature Communications

Volume: 16, P: 1-11
Precision spectroscopy and laser-cooling scheme of a radium-containing molecule

Measurements of the rovibronic structure of radium monofluoride molecules allow the identification of a laser cooling scheme. This will enable precise tests of fundamental physics, such as searches for parity or time-reversal symmetry violation.

S. M. Udrescu
S. G. Wilkins
C. Zülch
Research09 Jan 2024
Nature Physics

Volume: 20, P: 202-207
Revised rates for the stellar triple-α process from measurement of ¹²C nuclear resonances

Hans O. U. Fynbo
Christian Aa. Diget
The ISOLDE Collaboration
Research13 Jan 2005
Nature

Volume: 433, P: 136-139
Signatures of the Giant Pairing Vibration in the ¹⁴C and ¹⁵C atomic nuclei

The Giant Pairing Vibration is a collective mode in an atomic nucleus caused by coherence between particle-particle excitations, which has so far eluded detection. Cappuzzello et al. present signatures for its existence via heavy-ion-induced two-neutron transfer reactions in carbon nuclei.

F. Cappuzzello
D. Carbone
A. Vitturi
ResearchOpen Access27 Mar 2015
Nature Communications

Volume: 6, P: 1-7
Spectroscopy of short-lived radioactive molecules

Measurements of low-energy electronic states of radium monofluoride validate predictions of the use of this short-lived radioactive molecule in exploring fundamental physics and provide evidence of its suitability for laser cooling.

R. F. Garcia Ruiz
R. Berger
X. F. Yang
ResearchOpen Access27 May 2020
Nature

Volume: 581, P: 396-400
Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

It is challenging to explore properties of heavy elements as they can only be produced artificially. Here, the authors demonstrate a high resolution spectroscopy method, studying the properties of actinium, which can be extended to the study of other elements located at the end of the periodic table.

R. Ferrer
A. Barzakh
A. Zadvornaya
ResearchOpen Access22 Feb 2017
Nature Communications

Volume: 8, P: 1-9
⁷⁸Ni revealed as a doubly magic stronghold against nuclear deformation

A spectroscopic study of ⁷⁸Ni confirms its doubly magic nature and reveals it as a stronghold beyond which the magic numbers 28 and 50 break down because of competing deformation.

R. Taniuchi
C. Santamaria
Z. Y. Xu
Research01 May 2019
Nature

Volume: 569, P: 53-58
Publisher Correction: Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32

Á. Koszorús
X. F. Yang
S. G. Wilkins
Amendments and Corrections24 Feb 2021
Nature Physics

Volume: 17, P: 539
Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32

The charge radii of potassium isotopes up to ⁵²K are measured, and show no sign of magicity at 32 neutrons as previously suggested in calcium. The observations are interpreted with coupled cluster and density functional theory calculations.

Á. Koszorús
X. F. Yang
S. G. Wilkins
ResearchOpen Access28 Jan 2021
Nature Physics

Volume: 17, P: 439-443
Measurement and microscopic description of odd–even staggering of charge radii of exotic copper isotopes

Isotopes with an odd number of neutrons are usually slightly smaller in size than their even-neutron neighbours. In charge radii of short-lived copper isotopes, a reduction of this effect is observed when the neutron number approaches fifty.

R. P. de Groote
J. Billowes
X. F. Yang
ResearchOpen Access13 Apr 2020
Nature Physics

Volume: 16, P: 620-624

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