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- W1990848357 abstract "The presence of weakly bound rotationally excited initial states of HD2+ lying just below the lowest dissociation limit has been observed as well as quasi-bound, predissociative final states above the dissociation limit resulting from one-photon excitation of those weakly bound states. The excitation of the initial weakly bound and possibly only few quasi-bound states took place with 1064 nm laser radiation. The possibility of one-photon excitation of the vibrationally excited initial HD2+ ions is considered. The centre-of-mass kinetic energy distributions of the D+ and H+ fragment were used to identify the possible initial and final states involved in the transitions leading to these fragments. The fragment ratio D+/H+ is shown to be critically dependent on the ion source pressure. A strong preference is observed for the D+ + HD dissociation channel over the H+ + D2 channel at high source gas pressures. The centre-of-mass energy of the resulting H+ and D+ fragments was found to agree with predicted theoretical values, and suggest that among initially excited HD2+ ions, only a few of these lie initially above the lowest dissociation limit." @default.
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- W1990848357 date "2001-02-20" @default.
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- W1990848357 title "One-photon excitation and dissociation of both weakly bound rotational excited states and vibrational excited states of HD2+and photofragment branching ratio D+/H+of the final predissociative states" @default.
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- W1990848357 doi "https://doi.org/10.1088/0953-4075/34/5/302" @default.
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