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Phys. Rev. Lett. 97, 169301 (2006) [1 pages]

Comment on “Production of Doubly Charged Helium Ions by Two-Photon Absorption of an Intense Sub-10-fs Soft X-Ray Pulse at 42 eV Photon Energy”

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L. A. A. Nikolopoulos
Department of Physics and Astronomy University of Aarhus 8000, Aarhus C, Denmark

P. Lambropoulos
Institute of Electronic Structure and Laser F.O.R.TH Post Office Box 1527 Heraklion 711 10, Crete, Greece

Received 22 November 2005; published 19 October 2006

A Comment on the Letter by Yasuo Nabekawa et al., Phys. Rev. Lett. 94 043001 (2005). The authors of the Letter offer a Reply.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.169301
DOI:
10.1103/PhysRevLett.97.169301
PACS:
32.80.Fb, 42.50.Hz, 42.65.Re

See Also

Original Article: Yasuo Nabekawa, Hirokazu Hasegawa, Eiji J. Takahashi, and Katsumi Midorikawa, Production of Doubly Charged Helium Ions by Two-Photon Absorption of an Intense Sub-10-fs Soft X-Ray Pulse at 42 eV Photon Energy, Phys. Rev. Lett. 94, 043001 (2005).