Optical-optical double-resonance spectroscopy of BaO: The low-lying states |
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Authors: | Richard A Gottscho J Brooke Koffend Robert W Field |
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Institution: | Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 USA |
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Abstract: | Optical-optical double-resonance (OODR) induced photoluminescence into the lowest excited electronic states of BaO—a3Σ+, A1Σ+, b3Π, and —from C1Σ+ is described. These low-lying states are deperturbed to obtain spectroscopic constants and potential energy curves: | | | | | | 16 596(3) | 16 807.345(10) | 17 502.6(10) | 17 619.7(2) | | 469.0(7) | 499.620(19) | 447.62(8) | 447.95(22) | | 1.48(4) | 1.716(8) | 2.287(12) | 2.139(8) | | | 2.14(9) | | 1.02(3) | | 0.2594(5) | 0.2583908(26) | 0.22426(16) | 0.22385(16) | | 1.44(5) | 1.111(3) | 1.18(4) | 1.15(4) | | | 7.0(7) | | ?4.0(21) | | 2.1294(20) | 2.133512(11) | 2.2901(8) | 2.2922(8) |
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