Ionization of Helium and Argon by Very Slow Antiproton Impact

H. Knudsen; H.P.E. Kristiansen; H.D. Thomsen; U.I. Uggerhoj; T. Ichioka; S.P. Moller; Christopher Hunniford; Robert McCullough; M. Charlton; N. Kuroda; Y. Nagata; H.A. Torii; Y. Yamazaki; H. Imao; H.H. Andersen; K. Tokesi

doi:10.1103/PhysRevLett.101.043201

Ionization of Helium and Argon by Very Slow Antiproton Impact

H. Knudsen, H.P.E. Kristiansen, H.D. Thomsen, U.I. Uggerhoj, T. Ichioka, S.P. Moller, Christopher Hunniford, Robert McCullough, M. Charlton, N. Kuroda, Y. Nagata, H.A. Torii, Y. Yamazaki, H. Imao, H.H. Andersen, K. Tokesi

School of Mathematics and Physics

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

66 Citations (Scopus)

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 jeVusing 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 many recent theories.

Original language	English
Article number	043201
Pages (from-to)	043201-1-043201-4
Number of pages	4
Journal	Physical Review Letters
Volume	101
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.101.043201
Publication status	Published - 25 Jul 2008

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.101.043201

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Knudsen, H., Kristiansen, H. P. E., Thomsen, H. D., Uggerhoj, U. I., Ichioka, T., Moller, S. P., Hunniford, C., McCullough, R., Charlton, M., Kuroda, N., Nagata, Y., Torii, H. A., Yamazaki, Y., Imao, H., Andersen, H. H., & Tokesi, K. (2008). Ionization of Helium and Argon by Very Slow Antiproton Impact. Physical Review Letters, 101(4), 043201-1-043201-4. Article 043201. https://doi.org/10.1103/PhysRevLett.101.043201

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Knudsen, H, Kristiansen, HPE, Thomsen, HD, Uggerhoj, UI, Ichioka, T, Moller, SP, Hunniford, C, McCullough, R, Charlton, M, Kuroda, N, Nagata, Y, Torii, HA, Yamazaki, Y, Imao, H, Andersen, HH & Tokesi, K 2008, 'Ionization of Helium and Argon by Very Slow Antiproton Impact', Physical Review Letters, vol. 101, no. 4, 043201, pp. 043201-1-043201-4. https://doi.org/10.1103/PhysRevLett.101.043201

TY - JOUR

T1 - Ionization of Helium and Argon by Very Slow Antiproton Impact

AU - Knudsen, H.

AU - Kristiansen, H.P.E.

AU - Thomsen, H.D.

AU - Uggerhoj, U.I.

AU - Ichioka, T.

AU - Moller, S.P.

AU - Hunniford, Christopher

AU - McCullough, Robert

AU - Charlton, M.

AU - Kuroda, N.

AU - Nagata, Y.

AU - Torii, H.A.

AU - Yamazaki, Y.

AU - Imao, H.

AU - Andersen, H.H.

AU - Tokesi, K.

PY - 2008/7/25

Y1 - 2008/7/25

N2 - 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 jeVusing 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 many recent theories.

AB - 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 jeVusing 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 many recent theories.

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M3 - Article

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 4

M1 - 043201

ER -

Ionization of Helium and Argon by Very Slow Antiproton Impact

Abstract

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