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High-Resolution Fourier Transform Emission Spectroscopy of the B2Σ+ (v = 0)–X2Σ+ (v = 0) Transition of the PN+ Ion

✍ Scribed by Takashi Imajo; Ken Tokieda; Yoshihiro Nakashima; Keiichi Tanaka; Takehiko Tanaka

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
120 KB
Volume
204
Category
Article
ISSN
0022-2852

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✦ Synopsis

Ultraviolet emission spectrum of the B 2 ⌺ ϩ (v ϭ 0)-X 2 ⌺ ϩ (v ϭ 0) transition of the PN ϩ ion has been observed at a resolution of 0.05 cm Ϫ1 by a Fourier transform spectrometer. The rotational analysis led to a great improvement of rotational constants in the B 2 ⌺ ϩ (v ϭ 0) and X 2 ⌺ ϩ (v ϭ 0) states as well as to the first determination of centrifugal distortion constants for both levels and spin-rotation interaction constant in the X 2 ⌺ ϩ (v ϭ 0) state. Rotational perturbation in the B 2 ⌺ ϩ (v ϭ 0) state was observed.

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