Details
| Original language | English |
|---|---|
| Pages (from-to) | 189-194 |
| Number of pages | 6 |
| Journal | Hyperfine Interactions |
| Volume | 214 |
| Issue number | 1-3 |
| Publication status | Published - 5 Feb 2013 |
Abstract
Narrow optical transitions in highly charged ions (HCIs) are of particular interest for metrology and fundamental physics, exploiting the high sensitivity of HCIs to new physics. The highest sensitivity for a changing fine structure constant ever predicted for a stable atomic system is found in Ir17+. However, laser spectroscopy of HCIs is hindered by the large (~ 106 K) temperatures at which they are produced and trapped. An unprecedented improvement in such laser spectroscopy can be obtained when HCIs are cooled down to the mK range in a linear Paul trap. We have developed a cryogenic linear Paul trap in which HCIs will be sympathetically cooled by 9Be+ ions. Optimized optical access for laser light is provided while maintaining excellent UHV conditions. The Paul trap will be connected to an electron beam ion trap (EBIT) which is able to produce a wide range of HCIs. This EBIT will also provide the first experimental input needed for the determination of the transition energies in Ir17+, enabling further laser-spectroscopic investigations of this promising HCI.
Keywords
- Alpha time variation, Cryogenic Paul trap, EBIT, Highly charged ions
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Atomic and Molecular Physics, and Optics
- Physics and Astronomy(all)
- Nuclear and High Energy Physics
- Physics and Astronomy(all)
- Condensed Matter Physics
- Chemistry(all)
- Physical and Theoretical Chemistry
Cite this
- Standard
- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
In: Hyperfine Interactions, Vol. 214, No. 1-3, 05.02.2013, p. 189-194.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Cold highly charged ions in a cryogenic Paul trap
AU - Versolato, Oscar O.
AU - Schwarz, Maria
AU - Windberger, A.
AU - Ullrich, J.
AU - Schmidt, Piet Oliver
AU - Drewsen, Michael
AU - Crespo López-Urrutia, José R.
PY - 2013/2/5
Y1 - 2013/2/5
N2 - Narrow optical transitions in highly charged ions (HCIs) are of particular interest for metrology and fundamental physics, exploiting the high sensitivity of HCIs to new physics. The highest sensitivity for a changing fine structure constant ever predicted for a stable atomic system is found in Ir17+. However, laser spectroscopy of HCIs is hindered by the large (~ 106 K) temperatures at which they are produced and trapped. An unprecedented improvement in such laser spectroscopy can be obtained when HCIs are cooled down to the mK range in a linear Paul trap. We have developed a cryogenic linear Paul trap in which HCIs will be sympathetically cooled by 9Be+ ions. Optimized optical access for laser light is provided while maintaining excellent UHV conditions. The Paul trap will be connected to an electron beam ion trap (EBIT) which is able to produce a wide range of HCIs. This EBIT will also provide the first experimental input needed for the determination of the transition energies in Ir17+, enabling further laser-spectroscopic investigations of this promising HCI.
AB - Narrow optical transitions in highly charged ions (HCIs) are of particular interest for metrology and fundamental physics, exploiting the high sensitivity of HCIs to new physics. The highest sensitivity for a changing fine structure constant ever predicted for a stable atomic system is found in Ir17+. However, laser spectroscopy of HCIs is hindered by the large (~ 106 K) temperatures at which they are produced and trapped. An unprecedented improvement in such laser spectroscopy can be obtained when HCIs are cooled down to the mK range in a linear Paul trap. We have developed a cryogenic linear Paul trap in which HCIs will be sympathetically cooled by 9Be+ ions. Optimized optical access for laser light is provided while maintaining excellent UHV conditions. The Paul trap will be connected to an electron beam ion trap (EBIT) which is able to produce a wide range of HCIs. This EBIT will also provide the first experimental input needed for the determination of the transition energies in Ir17+, enabling further laser-spectroscopic investigations of this promising HCI.
KW - Alpha time variation
KW - Cryogenic Paul trap
KW - EBIT
KW - Highly charged ions
UR - http://www.scopus.com/inward/record.url?scp=84875404373&partnerID=8YFLogxK
U2 - 10.1007/s10751-013-0806-9
DO - 10.1007/s10751-013-0806-9
M3 - Article
AN - SCOPUS:84875404373
VL - 214
SP - 189
EP - 194
JO - Hyperfine Interactions
JF - Hyperfine Interactions
SN - 0304-3843
IS - 1-3
ER -