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Stark-modulation spectroscopy of the B(1)[³Pi] state of PbO

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arxiv physics/0509176 v2 pith:HMLX4ZLQ submitted 2005-09-21 physics.atom-ph

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

classification physics.atom-ph
keywords stateconstanthyperfinestructureabsorptionbenchmarkcalculationsdetailed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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.

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