Title: Total Ionization in Nitrogen by Heavy Ions of Energies 25 to 50 keV
Abstract: The total ionization produced by ions stopped in nitrogen gas has been measured in the energy range 25-50 keV. The measurements were made using an ion accelerator for producing the incident particles and a cylindrical ionization chamber with a differentially pumped open window. The following ions were studied: ${\mathrm{H}}^{+}$, ${\mathrm{He}}^{+}$, ${\mathrm{C}}^{+}$, ${\mathrm{N}}^{+}$, ${\mathrm{O}}^{+}$, and ${\mathrm{Ar}}^{+}$. The average energy loss per ion pair, $W$, ranges from 34.6 eV for 25-keV protons to 115.2 eV for 25-keV argon ions. A calculation indicates that a large part of the variation of $W$ with initial ion energy and atomic species may be attributed to the variation of the energy ultimately going into the kinetic energy of the atoms of the gas.
Publication Year: 1965
Publication Date: 1965-11-15
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 25
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