Abstract

Stark experiments in the A 2B2←X 2A1 transition of NO2 were carried out on a supersonic molecular beam by high resolution laser spectroscopy. The experiments were performed on the qR(0)00 and the qP(2)02 transitions in band 99 at 593 nm. An electric dipole moment value of μb=0.303(4)D could be determined for the X 2A1 ground state from the Stark behavior of the N″KaKc = 202 levels. This result could be confirmed on the N″KaKc = 000 levels. The problem of analyzing the Stark behavior in perturbed electronic states could be examined in the case of the excited 101 levels. Moreover, within the qR(0)00 Stark pattern several perturbations by obscure background states could be analyzed.

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