Abstract

The high-resolution absorption spectrum of Bi i is reported for the 2022–1307 Å region. Transitions have been observed from the 6p3S43/2° ground state of Bi i to levels with J ≤ 5/2 and even parity built on the ground term 6p2 3P of Bi ii. Levels with n values as large as 63 are determined from spectra observed below the 6p2 3P0 limit near 1701.792 Å, and a complete assignment of these data to three J = 1/2, four J =3/2, and three J = 5/2 channels based on a multichannel analysis is presented. To shorter wavelengths, the extensive spectrum observed between the 6p2 3P0 and 6p2 3P2 limits provides hundreds of new energy levels. Although a number of options are discussed, it was not possible to provide unambiguous assignments for these data. Ionization energies of 58 761.65 ± 0.05, 72 087.4 ± 0.3, and 75 793.8 ± 0.4 cm−1 were determined for the 6p2 3P0, 6p2 3P1, and 6p2 3P2 limits, respectively.

© 1989 Optical Society of America

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