Abstract
Transition dipole moments of Stark/Zeeman-hyperfine-rotational spectra of [Formula: see text] within the vibronic ground state of BrF molecule are deduced, and thus, the transition selection rules are summarized. Unlike the nearly equal linewidth in the other spectral region, the hyperfine-rotational spectral linewidth strongly depends on its transition probability due to the only natural broadening acts. Thereafter, the Stark/Zeeman-hyperfine-rotational spectra are simulated, which could help to assign the experimental spectra. In addition, the quadratic dependence of the Stark spectral shift on the applied electric field is fitted with the fitting correlation of 0.9999, which may be applied in the mapping of a complex electrostatic field. Our results are helpful for the investigations of the field-controlled cold molecular collision, the cold molecular manipulation, the cold molecular further cooling, and other related aspects as well.
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