Stark-modulation spectroscopy of the B(1)${[}^3\Pi ]$ state of PbO

Abstract

We report detailed spectroscopic measurements of the X(0)${[}^3{\Sigma }^{+}]$(v=0) to B(1)${[}^3\Pi ]$ (v=5) transition in PbO. Using a Stark-modulated laser absorption technique, we have measured the hyperfine constant of ${}^{207}$PbO in the B(1) state, as well as B(1)(v=5) rotational constant, X-B isotope shifts, etc. The hyperfine structure of the B(1) state is of interest as a benchmark for calculations of PbO electronic structure, related to experiments to search for the electric dipole moment of the electron.

arXiv commentREVTex 4, 4 pages, 2 figures, updated author information, removed typos

References in corpus (4)

• Enhancement of the electric dipole moment of the electron in PbO
• Proof of principle for a high sensitivity search for the electric dipole moment of the electron using the metastable a(1)[^3Σ^+] state of PbO
• Configuration interaction calculation of hyperfine and P,T-odd constants on ^{207}PbO excited states for the electron EDM experiments
• In search of the electron dipole moment: Ab initio calculations on ^207PbO excited states

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