Charge-state distribution and Doppler effect in an expanding photoionized plasma.

M.E. Foord; R.F. Heeter; P.A.M. Van Hoof; R.S. Thoe; J.E. Bailey; M.E. Cuneo; H.-K. Chung; D.A. Liedahl; K.B. Fournier; G.A. Chandler; Valdas Jonauskas; Romas Kisielius; L.P. Mix; Catherine Ramsbottom; P.T. Springer; Francis Keenan; S.J. Rose; W.H. Goldstein

doi:10.1103/PhysRevLett.93.055002

Charge-state distribution and Doppler effect in an expanding photoionized plasma.

M.E. Foord, R.F. Heeter, P.A.M. Van Hoof, R.S. Thoe, J.E. Bailey, M.E. Cuneo, H.-K. Chung, D.A. Liedahl, K.B. Fournier, G.A. Chandler, Valdas Jonauskas, Romas Kisielius, L.P. Mix, Catherine Ramsbottom, P.T. Springer, Francis Keenan, S.J. Rose, W.H. Goldstein

Research output: Contribution to journal › Article › peer-review

86 Citations (Scopus)

Abstract

The charge state distributions of Fe, Na, and F are determined in a photoionized laboratory plasma using high resolution x-ray spectroscopy. Independent measurements of the density and radiation flux indicate unprecedented values for the ionization parameter Ã?ï¿½Ã?Â¾=20 25 erg cm s-1 under near steady-state conditions. Line opacities are well fitted by a curve-of-growth analysis which includes the effects of velocity gradients in a one-dimensional expanding plasma. First comparisons of the measured charge state distributions with x-ray photoionization models show reasonable agreement.

Original language	English
Article number	055002
Pages (from-to)	055002-1-055002-4
Number of pages	4
Journal	Physical Review Letters
Volume	93(5)
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.93.055002
Publication status	Published - 30 Jul 2004

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.93.055002

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Foord, M. E., Heeter, R. F., Van Hoof, P. A. M., Thoe, R. S., Bailey, J. E., Cuneo, M. E., Chung, H.-K., Liedahl, D. A., Fournier, K. B., Chandler, G. A., Jonauskas, V., Kisielius, R., Mix, L. P., Ramsbottom, C., Springer, P. T., Keenan, F., Rose, S. J., & Goldstein, W. H. (2004). Charge-state distribution and Doppler effect in an expanding photoionized plasma. Physical Review Letters, 93(5)(5), 055002-1-055002-4. Article 055002. https://doi.org/10.1103/PhysRevLett.93.055002

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title = "Charge-state distribution and Doppler effect in an expanding photoionized plasma.",

abstract = "The charge state distributions of Fe, Na, and F are determined in a photoionized laboratory plasma using high resolution x-ray spectroscopy. Independent measurements of the density and radiation flux indicate unprecedented values for the ionization parameter {\~A}?{\"i}¿½{\~A}?{\^A}¾=20 25 erg cm s-1 under near steady-state conditions. Line opacities are well fitted by a curve-of-growth analysis which includes the effects of velocity gradients in a one-dimensional expanding plasma. First comparisons of the measured charge state distributions with x-ray photoionization models show reasonable agreement.",

author = "M.E. Foord and R.F. Heeter and {Van Hoof}, P.A.M. and R.S. Thoe and J.E. Bailey and M.E. Cuneo and H.-K. Chung and D.A. Liedahl and K.B. Fournier and G.A. Chandler and Valdas Jonauskas and Romas Kisielius and L.P. Mix and Catherine Ramsbottom and P.T. Springer and Francis Keenan and S.J. Rose and W.H. Goldstein",

year = "2004",

month = jul,

day = "30",

doi = "10.1103/PhysRevLett.93.055002",

language = "English",

volume = "93(5)",

pages = "055002--1--055002--4",

journal = "Physical Review Letters",

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publisher = "American Physical Society",

number = "5",

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Foord, ME, Heeter, RF, Van Hoof, PAM, Thoe, RS, Bailey, JE, Cuneo, ME, Chung, H-K, Liedahl, DA, Fournier, KB, Chandler, GA, Jonauskas, V, Kisielius, R, Mix, LP, Ramsbottom, C, Springer, PT, Keenan, F, Rose, SJ & Goldstein, WH 2004, 'Charge-state distribution and Doppler effect in an expanding photoionized plasma.', Physical Review Letters, vol. 93(5), no. 5, 055002, pp. 055002-1-055002-4. https://doi.org/10.1103/PhysRevLett.93.055002

TY - JOUR

T1 - Charge-state distribution and Doppler effect in an expanding photoionized plasma.

AU - Foord, M.E.

AU - Heeter, R.F.

AU - Van Hoof, P.A.M.

AU - Thoe, R.S.

AU - Bailey, J.E.

AU - Cuneo, M.E.

AU - Chung, H.-K.

AU - Liedahl, D.A.

AU - Fournier, K.B.

AU - Chandler, G.A.

AU - Jonauskas, Valdas

AU - Kisielius, Romas

AU - Mix, L.P.

AU - Ramsbottom, Catherine

AU - Springer, P.T.

AU - Keenan, Francis

AU - Rose, S.J.

AU - Goldstein, W.H.

PY - 2004/7/30

Y1 - 2004/7/30

N2 - The charge state distributions of Fe, Na, and F are determined in a photoionized laboratory plasma using high resolution x-ray spectroscopy. Independent measurements of the density and radiation flux indicate unprecedented values for the ionization parameter Ã?ï¿½Ã?Â¾=20 25 erg cm s-1 under near steady-state conditions. Line opacities are well fitted by a curve-of-growth analysis which includes the effects of velocity gradients in a one-dimensional expanding plasma. First comparisons of the measured charge state distributions with x-ray photoionization models show reasonable agreement.

AB - The charge state distributions of Fe, Na, and F are determined in a photoionized laboratory plasma using high resolution x-ray spectroscopy. Independent measurements of the density and radiation flux indicate unprecedented values for the ionization parameter Ã?ï¿½Ã?Â¾=20 25 erg cm s-1 under near steady-state conditions. Line opacities are well fitted by a curve-of-growth analysis which includes the effects of velocity gradients in a one-dimensional expanding plasma. First comparisons of the measured charge state distributions with x-ray photoionization models show reasonable agreement.

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U2 - 10.1103/PhysRevLett.93.055002

DO - 10.1103/PhysRevLett.93.055002

M3 - Article

SN - 0031-9007

VL - 93(5)

SP - 055002-1-055002-4

JO - Physical Review Letters

JF - Physical Review Letters

IS - 5

M1 - 055002

ER -

Charge-state distribution and Doppler effect in an expanding photoionized plasma.

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