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STIMULATED EMISSION PUMPING SPECTROSCOPY OF JET COOLED C

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/18341

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Title: STIMULATED EMISSION PUMPING SPECTROSCOPY OF JET COOLED C
Creators: Northrup, F. J.; Sears, Trevor J.; Rohlfing, Eric A.
Issue Date: 1990
Abstract: We have measured the energies of many vibration-rotation states of $X^{1}\Sigma_{s}^{+} C_{3}$ in pure bending and bend stretch combination levels up to nearly $10000 cm^{-1}$ above the zero point level. The levels accessed have up to 34 bending quanta of excitation and up to 10 units of vibrational angular momentum. Combination states with up to 3 quanta of symmetric stretch have been measured at Brookhaven while those with up to 4 quanta of antisymmetric stretch have been measured at Sandia. All the bending and symmetric stretch levels can be well described as having a linear average structure albeit with very large amplitude bending motion. In contrast, excitation of the antisymmetric stretch causes the molecule to become bent. We are attempting to use our data together with the semi-rigid bender model1 to extract effective bending potentials as a function of stretching state and progress will be reported at the meeting
URI: http://hdl.handle.net/1811/18341
Other Identifiers: 1990-TH-2
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