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Title: Resonance ionization spectroscopy of zirconium atoms

Conference ·
OSTI ID:10188719

We have examined the stepwise-resonant three-photon-ionization spectrum of neutral zirconium atoms using three separately-tunable pulsed visible dye lasers. Lifetimes of even-parity levels (measured with delayed-photoionization technique) range from 10 to 100 nsec. Direct ionization cross sections appear to be less than 10{sup {minus}17} cm{sup 2}; newly-detected autoionizing levels give peak ionization cross sections (inferred from saturation fluences) up to 10{sup {minus}15} cm{sup 2}. Members of Rydberg series converging to the 315 and 1323 cm{sup {minus}1} levels of Zr{sup +} were identified. ``Clumps`` of autoionizing levels are thought to be due to Rydberg-valence mixing.

Research Organization:
Lawrence Livermore National Lab., CA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
10188719
Report Number(s):
UCRL-JC-109494; CONF-920574-16; ON: DE94001040; TRN: 93:024038
Resource Relation:
Conference: 6. international symposium on resonance ionization spectroscopy (RIS) and its applications,Santa Fe, NM (United States),24-29 May 1992; Other Information: PBD: May 1992
Country of Publication:
United States
Language:
English