Saturation effect in projectile- and target- x-ray production in collisions between 2.5 MeV/u highly charged Cu ions and gaseous targets

Ajay Kumar, D. Misra, A. H. Kelkar, U. Kadhane, Y. P. Singh, G. Lapicki, L. Gulyás, L. C. Tribedi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

L x-ray production cross sections have been measured for highly charged 2.5 MeV/u Cuq+ (q ≤ 20-26) ions colliding with H2, Ne, Ar, Kr and Xe target atoms. The observed Cu L x-rays are due to the excitation and electron-transfer processes. The charge state dependence of the projectile L x-rays has been studied with Ar and Kr targets. We have derived the subshell resolved K-L1, K-L2 and K-L3 electron-transfer cross sections from the measured Ar K x-ray yields as a function of L vacancies in Cu ion. The measured projectile L x-ray production cross sections arising from the excitation and electron capture are found to saturate as target atomic number Zt increases. Similarly, a saturation has also been found in the Ar K-shell ionization cross sections as a function of Zp.

Original languageEnglish
Pages (from-to)331-341
Number of pages11
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume39
Issue number2
DOIs
Publication statusPublished - Jan 28 2006

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projectiles
saturation
collisions
ions
x rays
cross sections
electron transfer
ionization cross sections
electron capture
excitation
atoms

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy(all)

Cite this

Saturation effect in projectile- and target- x-ray production in collisions between 2.5 MeV/u highly charged Cu ions and gaseous targets. / Kumar, Ajay; Misra, D.; Kelkar, A. H.; Kadhane, U.; Singh, Y. P.; Lapicki, G.; Gulyás, L.; Tribedi, L. C.

In: Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 39, No. 2, 28.01.2006, p. 331-341.

Research output: Contribution to journalArticle

Kumar, Ajay ; Misra, D. ; Kelkar, A. H. ; Kadhane, U. ; Singh, Y. P. ; Lapicki, G. ; Gulyás, L. ; Tribedi, L. C. / Saturation effect in projectile- and target- x-ray production in collisions between 2.5 MeV/u highly charged Cu ions and gaseous targets. In: Journal of Physics B: Atomic, Molecular and Optical Physics. 2006 ; Vol. 39, No. 2. pp. 331-341.
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AU - Kelkar, A. H.

AU - Kadhane, U.

AU - Singh, Y. P.

AU - Lapicki, G.

AU - Gulyás, L.

AU - Tribedi, L. C.

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AB - L x-ray production cross sections have been measured for highly charged 2.5 MeV/u Cuq+ (q ≤ 20-26) ions colliding with H2, Ne, Ar, Kr and Xe target atoms. The observed Cu L x-rays are due to the excitation and electron-transfer processes. The charge state dependence of the projectile L x-rays has been studied with Ar and Kr targets. We have derived the subshell resolved K-L1, K-L2 and K-L3 electron-transfer cross sections from the measured Ar K x-ray yields as a function of L vacancies in Cu ion. The measured projectile L x-ray production cross sections arising from the excitation and electron capture are found to saturate as target atomic number Zt increases. Similarly, a saturation has also been found in the Ar K-shell ionization cross sections as a function of Zp.

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