Spectroscopy of short-lived radioactive molecules

Publication type:
Journal article
Metadata:
Autoren
  • RF Garcia Ruiz
  • R Berger
  • J Billowes
  • CL Binnersley
  • ML Bissell
  • AA Breier
  • AJ Brinson
  • K Chrysalidis
  • TE Cocolios
  • BS Cooper
  • KT Flanagan
  • TF Giesen
  • RP de Groote
  • S Franchoo
  • FP Gustafsson
  • TA Isaev
  • A Koszorus
  • G Neyens
  • HA Perrett
  • CM Ricketts
  • S Rothe
  • L Schweikhard
  • AR Vernon
  • KDA Wendt
  • F Wienholtz
  • SG Wilkins
  • XF Yang
Autoren-URL
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000553828700001&DestLinkType=FullRecord&DestApp=WOS_CPL
DOI
10.1038/s41586-020-2299-4
eISSN
1476-4687
Externe Identifier
  • Clarivate Analytics Document Solution ID: MR8GF
  • PubMed Identifier: 32461650
ISSN
0028-0836
Ausgabe der Veröffentlichung
7809
Zeitschrift
NATURE
Paginierung
396 - +
Datum der Veröffentlichung
2020
Status
Published
Titel
Spectroscopy of short-lived radioactive molecules
Sub types
  • Article
Ausgabe der Zeitschrift
581

Data source: Web of Science (Lite)

Other metadata sources:
Abstract
<jats:title>Abstract</jats:title><jats:p>Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of nature and the search for new particle physics beyond the standard model<jats:sup>1–4</jats:sup>. Radioactive molecules—in which one or more of the atoms possesses a radioactive nucleus—can contain heavy and deformed nuclei, offering high sensitivity for investigating parity- and time-reversal-violation effects<jats:sup>5,6</jats:sup>. Radium monofluoride, RaF, is of particular interest because it is predicted to have an electronic structure appropriate for laser cooling<jats:sup>6</jats:sup>, thus paving the way for its use in high-precision spectroscopic studies. Furthermore, the effects of symmetry-violating nuclear moments are strongly enhanced<jats:sup>5,7–9</jats:sup> in molecules containing octupole-deformed radium isotopes<jats:sup>10,11</jats:sup>. However, the study of RaF has been impeded by the lack of stable isotopes of radium. Here we present an experimental approach to studying short-lived radioactive molecules, which allows us to measure molecules with lifetimes of just tens of milliseconds. Energetically low-lying electronic states were measured for different isotopically pure RaF molecules using collinear resonance ionisation at the ISOLDE ion-beam facility at CERN. Our results provide evidence of the existence of a suitable laser-cooling scheme for these molecules and represent a key step towards high-precision studies in these systems. Our findings will enable further studies of short-lived radioactive molecules for fundamental physics research.</jats:p>
Autoren
  • RF Garcia Ruiz
  • R Berger
  • J Billowes
  • CL Binnersley
  • ML Bissell
  • AA Breier
  • AJ Brinson
  • K Chrysalidis
  • TE Cocolios
  • BS Cooper
  • KT Flanagan
  • TF Giesen
  • RP de Groote
  • S Franchoo
  • FP Gustafsson
  • TA Isaev
  • Á Koszorús
  • G Neyens
  • HA Perrett
  • CM Ricketts
  • S Rothe
  • L Schweikhard
  • AR Vernon
  • KDA Wendt
  • F Wienholtz
  • SG Wilkins
  • XF Yang
DOI
10.1038/s41586-020-2299-4
eISSN
1476-4687
ISSN
0028-0836
Ausgabe der Veröffentlichung
7809
Zeitschrift
Nature
Sprache
en
Online publication date
2020
Paginierung
396 - 400
Datum der Veröffentlichung
2020
Status
Published
Herausgeber
Springer Science and Business Media LLC
Herausgeber URL
http://dx.doi.org/10.1038/s41586-020-2299-4
Datum der Datenerfassung
2023
Titel
Spectroscopy of short-lived radioactive molecules
Ausgabe der Zeitschrift
581

Data source: Crossref

Abstract
Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of nature and the search for new particle physics beyond the standard model<sup>1-4</sup>. Radioactive molecules-in which one or more of the atoms possesses a radioactive nucleus-can contain heavy and deformed nuclei, offering high sensitivity for investigating parity- and time-reversal-violation effects<sup>5,6</sup>. Radium monofluoride, RaF, is of particular interest because it is predicted to have an electronic structure appropriate for laser cooling<sup>6</sup>, thus paving the way for its use in high-precision spectroscopic studies. Furthermore, the effects of symmetry-violating nuclear moments are strongly enhanced<sup>5,7-9</sup> in molecules containing octupole-deformed radium isotopes<sup>10,11</sup>. However, the study of RaF has been impeded by the lack of stable isotopes of radium. Here we present an experimental approach to studying short-lived radioactive molecules, which allows us to measure molecules with lifetimes of just tens of milliseconds. Energetically low-lying electronic states were measured for different isotopically pure RaF molecules using collinear resonance ionisation at the ISOLDE ion-beam facility at CERN. Our results provide evidence of the existence of a suitable laser-cooling scheme for these molecules and represent a key step towards high-precision studies in these systems. Our findings will enable further studies of short-lived radioactive molecules for fundamental physics research.
Addresses
  • CERN, Geneva, Switzerland. rgarciar@mit.edu.
Autoren
  • RF Garcia Ruiz
  • R Berger
  • J Billowes
  • CL Binnersley
  • ML Bissell
  • AA Breier
  • AJ Brinson
  • K Chrysalidis
  • TE Cocolios
  • BS Cooper
  • KT Flanagan
  • TF Giesen
  • RP de Groote
  • S Franchoo
  • FP Gustafsson
  • TA Isaev
  • Á Koszorús
  • G Neyens
  • HA Perrett
  • CM Ricketts
  • S Rothe
  • L Schweikhard
  • AR Vernon
  • KDA Wendt
  • F Wienholtz
  • SG Wilkins
  • XF Yang
DOI
10.1038/s41586-020-2299-4
eISSN
1476-4687
Externe Identifier
  • PubMed Identifier: 32461650
  • PubMed Central ID: PMC7334132
Funding acknowledgements
  • Science and Technology Facilities Council: 1565214
  • Science and Technology Facilities Council: 1685877
  • Science and Technology Facilities Council: 2023247
  • European Research Council: 648381
  • Science and Technology Facilities Council: ST/L002868/1
  • Science and Technology Facilities Council: ST/G006415/1
  • Science and Technology Facilities Council: ST/L005786/1
  • Science and Technology Facilities Council: ST/L005794/1
  • Science and Technology Facilities Council: EP/D075769/1
  • Science and Technology Facilities Council: ST/J000159/1
  • Science and Technology Facilities Council: ST/J004189/1
  • Science and Technology Facilities Council: ST/P004423/1
Open access
true
ISSN
0028-0836
Ausgabe der Veröffentlichung
7809
Zeitschrift
Nature
Sprache
eng
Medium
Print-Electronic
Online publication date
2020
Open access status
Open Access
Paginierung
396 - 400
Datum der Veröffentlichung
2020
Status
Published
Publisher licence
CC BY
Datum der Datenerfassung
2020
Titel
Spectroscopy of short-lived radioactive molecules.
Sub types
  • Research Support, Non-U.S. Gov't
  • research-article
  • Journal Article
Ausgabe der Zeitschrift
581

Files

https://www.nature.com/articles/s41586-020-2299-4.pdf https://europepmc.org/articles/PMC7334132?pdf=render

Data source: Europe PubMed Central

Abstract
Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of nature and the search for new particle physics beyond the standard model1-4. Radioactive molecules-in which one or more of the atoms possesses a radioactive nucleus-can contain heavy and deformed nuclei, offering high sensitivity for investigating parity- and time-reversal-violation effects5,6. Radium monofluoride, RaF, is of particular interest because it is predicted to have an electronic structure appropriate for laser cooling6, thus paving the way for its use in high-precision spectroscopic studies. Furthermore, the effects of symmetry-violating nuclear moments are strongly enhanced5,7-9 in molecules containing octupole-deformed radium isotopes10,11. However, the study of RaF has been impeded by the lack of stable isotopes of radium. Here we present an experimental approach to studying short-lived radioactive molecules, which allows us to measure molecules with lifetimes of just tens of milliseconds. Energetically low-lying electronic states were measured for different isotopically pure RaF molecules using collinear resonance ionisation at the ISOLDE ion-beam facility at CERN. Our results provide evidence of the existence of a suitable laser-cooling scheme for these molecules and represent a key step towards high-precision studies in these systems. Our findings will enable further studies of short-lived radioactive molecules for fundamental physics research.
Date of acceptance
2020
Autoren
  • RF Garcia Ruiz
  • R Berger
  • J Billowes
  • CL Binnersley
  • ML Bissell
  • AA Breier
  • AJ Brinson
  • K Chrysalidis
  • TE Cocolios
  • BS Cooper
  • KT Flanagan
  • TF Giesen
  • RP de Groote
  • S Franchoo
  • FP Gustafsson
  • TA Isaev
  • Á Koszorús
  • G Neyens
  • HA Perrett
  • CM Ricketts
  • S Rothe
  • L Schweikhard
  • AR Vernon
  • KDA Wendt
  • F Wienholtz
  • SG Wilkins
  • XF Yang
Autoren-URL
https://www.ncbi.nlm.nih.gov/pubmed/32461650
DOI
10.1038/s41586-020-2299-4
eISSN
1476-4687
Externe Identifier
  • PubMed Central ID: PMC7334132
Ausgabe der Veröffentlichung
7809
Zeitschrift
Nature
Sprache
eng
Country
England
Paginierung
396 - 400
PII
10.1038/s41586-020-2299-4
Datum der Veröffentlichung
2020
Status
Published
Datum, an dem der Datensatz öffentlich gemacht wurde
2020
Titel
Spectroscopy of short-lived radioactive molecules.
Sub types
  • Journal Article
  • Research Support, Non-U.S. Gov't
Ausgabe der Zeitschrift
581

Data source: PubMed

Abstract
The study of molecular systems provides exceptional opportunities for the exploration of the fundamental laws of nature and for the search for physics beyond the Standard Model of particle physics. Measurements of molecules composed of naturally occurring nuclei have provided the most stringent upper bounds to the electron electric dipole moment to date, and offer a route to investigate the violation of fundamental symmetries with unprecedented sensitivity. Radioactive molecules - where one or more of their atoms possesses a radioactive nucleus - can contain heavy and deformed nuclei, offering superior sensitivity for EDM measurements as well as for other symmetry-violating effects. Radium monofluoride, RaF, is of particular interest as it is predicted to have an appropriate electronic structure for direct laser cooling. Furthermore, some Ra isotopes are known to be octupole deformed, thereby resulting in a large enhancement of their symmetry-violating nuclear moments. Until now,however, no experimental measurements of RaF have been performed, and their study is impeded by major experimental challenges, as no stable isotopes of radium exist. Here, we present a novel experimental approach to study short-lived radioactive molecules using the highly sensitive collinear resonance ionisation method. With this technique we have measured, for the first time, the energetically low-lying electronic states for each of the isotopically pure RaF molecules at the ISOLDE-CERN. Our results provide strong evidence of the existence of a suitable laser-cooling scheme for these molecules and constitute a pivotal step towards high-precision studies in these systems. Our findings open up new opportunities in the synthesis, manipulation and study of short-lived radioactive molecules, which will have a direct impact in many-body physics, astrophysics, nuclear structure, and fundamental physics research.
Autoren
  • RF Garcia Ruiz
  • R Berger
  • J Billowes
  • CL Binnersley
  • ML Bissell
  • AA Breier
  • AJ Brinson
  • K Chrysalidis
  • T Cocolios
  • B Cooper
  • KT Flanagan
  • TF Giesen
  • RP de Groote
  • S Franchoo
  • FP Gustafsson
  • TA Isaev
  • A Koszorus
  • G Neyens
  • HA Perrett
  • CM Ricketts
  • S Rothe
  • L Schweikhard
  • AR Vernon
  • KDA Wendt
  • F Wienholtz
  • SG Wilkins
  • XF Yang
Autoren-URL
http://arxiv.org/abs/1910.13416v1
Zeitschrift
Nature
Schlüsselwörter
  • nucl-th
  • nucl-th
  • hep-ph
  • hep-th
  • nucl-ex
Notes
Submitted
Paginierung
396
Datum der Veröffentlichung
2019
Herausgeber URL
http://dx.doi.org/10.1038/s41586-020-2299-4
Datum der Datenerfassung
2019
Datum, an dem der Datensatz öffentlich gemacht wurde
2019
Titel
Spectroscopy of short-lived radioactive molecules: A sensitive laboratory for new physics
Ausgabe der Zeitschrift
581

Files

1910.13416v1.pdf

Data source: arXiv

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