Published August 15, 2019 | Version v1
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Energy Levels of ThII in the range of 7 to 10 eV

Description

Data is presented on 166 previously unknown energy levels of Th+ ions, observed using resonant two-step laser excitation of trapped  ions. The levels are of even parity and within the energy range from 7.8 to 9.8 eV. Observed lines are listed.
The observed levels can be relevant for the excitation or decay of the Th-229m isomeric nuclear state which lies in this energy range.

Notes

For a description of experiment and analysis, see the publication: Experiment and analysis are described in: Electronic level structure of Th+ in the range of the 229mTh isomer energy, D.-M. Meier, J. Thielking, P. Glowacki, M. Okhapkin, R. A. Müller, A. Surzhykov, E. Peik, Phys. Rev. A 99, 052514 (2019)

Files

listoflevels ThII.txt

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Additional details

Related works

Is supplement to
10.1103/PhysRevA.99.052514 (DOI)

Funding

nuClock – Towards a nuclear clock with Thorium-229 664732
European Commission