Laser spectroscopy of the A(3)Phi(i)-X-3 Phi(i) and B-3 Phi(4)-X-3 Phi(4) transitions of iridium monofluoride (IrF)

作者：Adam A G^*; Granger A D; Downie L E; Tokaryk D W; Linton C

来源：Canadian Journal of Physics, 2009, 87(5): 557-565.

DOI：10.1139/P08-142

Laser-induced fluorescence spectra of iridium monofluoride (IrF) have been obtained at both low and high resolution. Two transitions have been observed; based on the rotational analysis of the high-resolution spectra, they have been assigned as A(3)Phi(i)-X-3 Phi(i) and B-3 Phi(i)-X-3 Phi(i). For the X (ground) and B states, only the lowest Omega = 4 components have been observed, while for the A state, the two lowest components, Omega = 4 and 3, were detected. A global fit to all of the high-resolution data (six bands of A-X and five of B-X) yielded a complete set of molecular constants for all three states of both (IrF)-Ir-191 and (IrF)-Ir-193. The v = 3 level of the A(3)Phi(4) state was found to be heavily perturbed and many extra lines belonging to the perturbing state were observed for each isotopologue. A deperturbation analysis showed that the perturber is an Omega = 5 state, and molecular parameters for this state were obtained.

• 出版日期2009-5