Ionization of helium and argon by very slow antiproton impact

H. Knudsen, H. P E Kristiansen, H. D. Thomsen, U. I. Uggerhøj, T. Ichioka, S. P. Møller, C. A. Hunniford, R. W. McCullough, M. Charlton, N. Kuroda, Y. Nagata, H. A. Torii, Y. Yamazaki, H. Imao, H. H. Andersen, K. Tőkési

Research output: Contribution to journalArticle

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Abstract

The total cross sections for single ionization of helium and single and double ionization of argon by antiproton impact have been measured in the kinetic energy range from 3 to 25 keV using a new technique for the creation of intense slow antiproton beams. The new data provide benchmark results for the development of advanced descriptions of atomic collisions and we show that they can be used to judge, for the first time, the validity of the many recent theories.

Original languageEnglish
Article number043201
JournalPhysical Review Letters
Volume101
Issue number4
DOIs
Publication statusPublished - Jul 25 2008

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antiprotons
helium
argon
ionization
atomic collisions
kinetic energy
cross sections

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Knudsen, H., Kristiansen, H. P. E., Thomsen, H. D., Uggerhøj, U. I., Ichioka, T., Møller, S. P., ... Tőkési, K. (2008). Ionization of helium and argon by very slow antiproton impact. Physical Review Letters, 101(4), [043201]. https://doi.org/10.1103/PhysRevLett.101.043201

Ionization of helium and argon by very slow antiproton impact. / Knudsen, H.; Kristiansen, H. P E; Thomsen, H. D.; Uggerhøj, U. I.; Ichioka, T.; Møller, S. P.; Hunniford, C. A.; McCullough, R. W.; Charlton, M.; Kuroda, N.; Nagata, Y.; Torii, H. A.; Yamazaki, Y.; Imao, H.; Andersen, H. H.; Tőkési, K.

In: Physical Review Letters, Vol. 101, No. 4, 043201, 25.07.2008.

Research output: Contribution to journalArticle

Knudsen, H, Kristiansen, HPE, Thomsen, HD, Uggerhøj, UI, Ichioka, T, Møller, SP, Hunniford, CA, McCullough, RW, Charlton, M, Kuroda, N, Nagata, Y, Torii, HA, Yamazaki, Y, Imao, H, Andersen, HH & Tőkési, K 2008, 'Ionization of helium and argon by very slow antiproton impact', Physical Review Letters, vol. 101, no. 4, 043201. https://doi.org/10.1103/PhysRevLett.101.043201
Knudsen H, Kristiansen HPE, Thomsen HD, Uggerhøj UI, Ichioka T, Møller SP et al. Ionization of helium and argon by very slow antiproton impact. Physical Review Letters. 2008 Jul 25;101(4). 043201. https://doi.org/10.1103/PhysRevLett.101.043201
Knudsen, H. ; Kristiansen, H. P E ; Thomsen, H. D. ; Uggerhøj, U. I. ; Ichioka, T. ; Møller, S. P. ; Hunniford, C. A. ; McCullough, R. W. ; Charlton, M. ; Kuroda, N. ; Nagata, Y. ; Torii, H. A. ; Yamazaki, Y. ; Imao, H. ; Andersen, H. H. ; Tőkési, K. / Ionization of helium and argon by very slow antiproton impact. In: Physical Review Letters. 2008 ; Vol. 101, No. 4.
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