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Photoelectrons from negative dimers and clusters of sulfur dioxide

✍ Scribed by T. Dresch; H. Kramer; Y. Thurner; R. Weber


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
481 KB
Volume
177
Category
Article
ISSN
0009-2614

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✦ Synopsis


Photoelectrons originating from sulfur dioxide cluster anions were studied using a tandem mass spectrometer combined with an electron detector and intracavity argon-ion and dye lasers. The absolute photodetachment cross section of the dimer anion increases to (8 k 1) x 1 O-I9 cm2 at 2.7 I eV photon energy. Electrons detected from the interaction of photons with sulfur dioxide clusters wcrc found to be produced in sequential two-step processes only, revealing a lower bound of the cluster's detachment threshold energy of 2.7 eV.


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