# ANALYSIS AND DEPERTURBATION OF THE $A^{2}\Pi$ and $B^{2}\Sigma^{+}$ STATES OF CaF

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 Title: ANALYSIS AND DEPERTURBATION OF THE $A^{2}\Pi$ and $B^{2}\Sigma^{+}$ STATES OF CaF Creators: Kaledin, L. A.; Bloch, J. C.; Field, R. W. Issue Date: 1997 Publisher: Ohio State University Abstract: A laser excitation spectrum of the (0, 0) and (1, 1) bands of CaF $A^{2}\Pi-X^{4}\Sigma^{+}$ system has been recorded. The present set of molecular constants for both $A^{2}\Pi$ and $B^{2}\Sigma^{+}$ states represent a vast improvement in precision over previously reported $values^{h}$ because of larger number of lines position measurements and the use of a more reasonable effective Hamiltonian model which accounts explicitly for the {A - B} interaction via off-diagonal matrix elements. Accurate spectroscopic parameters for the {X, A}, and {B} states will be presented. Description: $^{g}$Support by AFOSR under grant F19628-93-C-0186 is gratefully acknowledged $^{h}$J. Nakagawa, P. J. Domaille, T. C. Steimle, and D. O. Harris, J. Mol. Spectrosc. \textbf{70}, 374-385 (1978); M. Dulick, P. F. Bernath, and R. W. Field, Canad. J. Phys. \textbf{58}, 703-712 (1980); J. Verges, C. Effantin, A. Bernard, A. Topouzkhanian, A. R. Allouche, I. d'Incan, and R. F. Barrow, J. Phys. \textbf{B 26}, 279-284 (1993) Author Institution: Department of Chemistry, Emory University; Lincoln Laboratory, Massachusetts Institute of Technology; Department of Chemistry, Massachusetts Institute of Technology URI: http://hdl.handle.net/1811/14020 Other Identifiers: 1997-TA-09