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Title: Two-photon spectroscopy of autoionizing states of Xe² near threshold

Journal Article · · Chemical Physics Letters
 [1];  [1];  [1]
  1. Argonne National Laboratory (ANL), Argonne, IL (United States)

The two-photon ionization spectrum of Xe² in the region of the first ionization threshold is presented. Vibronic bands corresponding to at least four different autoionizing electronic states of Xe² are observed for the first time and are tentatively assigned. The observed appearance potential is significantly higher (by 415 cm-1) than the earlier single-photon ionization result (Ng, Trevor, Mahan and Lee, - J. Chem. Phys. 65 (1976) 4327).

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Environment, Health, Safety and Security; Office of Arms Control
DOE Contract Number:
W-31-109-ENG-38
OSTI ID:
1169917
Journal Information:
Chemical Physics Letters, Vol. 165, Issue 2-3; ISSN 0009-2614
Publisher:
Elsevier
Country of Publication:
United States
Language:
English