Double-to-single photoionization ratio of lithium at medium energies

Journal Article · Tue Jun 01 00:00:00 EDT 2004 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.69.062709· OSTI ID:20643763

Wehlitz, R; Bluett, J B ^[1]; Martinez, M M ^[2]; Lukic, D ^[3]; Whitfield, S B ^[4]

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1. Synchrotron Radiation Center, UW-Madison, Stoughton, Wisconsin 53589 (United States)
2. University of Washington, Seattle, Washington 98105 (United States)
3. Institute of Physics, 11001 Belgrade (Serbia and Montenegro)
4. Department of Physics and Astronomy, UW-Eau Claire, Eau Claire, Wisconsin 54702 (United States)

The double-to-single photoionization ratio of atomic lithium has been measured for photon energies ranging from 120 eV to 910 eV. Through extensive use of various filters we were able to significantly extend the previous range of measurements [M.-T. Huang et al., Phys. Rev. A 59, 3397 (1999)]. We find that our data are in agreement with the predicted high-energy limit of 3.4%. By applying simple model curves to our data, we believe that sequential processes contribute substantially to the double-photoionization cross-section ratio as predicted by theory.

• OSTI ID: 20643763
• Journal Information: Physical Review. A, Vol. 69, Issue 6; Other Information: DOI: 10.1103/PhysRevA.69.062709; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
CROSS SECTIONS
EV RANGE
FILTERS
LITHIUM
PHOTOIONIZATION
PHOTON-ATOM COLLISIONS
PHOTONS