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キーワード:
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要旨:
CO molecules in their electronic and vibrational ground state were state selectively detected using a tunable ArF excimer laser. Rotational state selectivity is due to the one‐photon resonance of the spin‐forbidden a 3Π, v’=2←X 1∑+,v‘=0 transition. Subsequent absorption of two additional ArF laser photons yields, via a dissociative continuum, electronically excited C(3 1P) atoms, whose fluorescence is detected.
