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Dynamics of vibrational wave packets in the C1Πu state of Cs2

✍ Scribed by G. Rodriguez; J.G. Eden

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
756 KB
Volume
205
Category
Article
ISSN
0009-2614

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✦ Synopsis

The dynamics of vibrational wave packets in the weakly predissnciated C 'll" of Cs, have been examined by two color, femtosecond laser pump-probe techniques. The motion of the wave packet is detected by photoionizing the dimer with a time-delayed 620 nm pulse and monitoring the time-and energy-integrated photoelectron signal with a proportional counter. Since the anharmonlcity of Css(C 'II") is slight (w&&%700) and the ground state vibrational manifold is equilibrated at Ta550 K, wave packets consisting of the superposition of wavefunctions of more than 20 vibrational levels are formed that dcphase in z 18 ps.

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