Dependence of the charge state of a light ion beam in matter on particle velocity

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Abstract

The results of applying the statistics of a discrete multiple scattering process to analytically describe the dependence of the charge state of light ions in matter on particle velocity are presented. It is shown that the use of a technique based on taking into account the dependence of the charge state of the beam ions on the ratio of the ion velocity to the minimum velocity of the electrons of the substance makes it possible to calculate the stopping power of the substance for lithium, beryllium, boron and carbon ions of medium and low energies, corresponding to the experimental results.

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About the authors

N. N. Mikheev

Shubnikov Institute of Crystallography of FSRC “Crystallography and Photonics” RAS

Author for correspondence.
Email: kmikran@spark-mail.ru
Russian Federation, 119333, Moscow

I. Zh. Bezbakh

Shubnikov Institute of Crystallography of FSRC “Crystallography and Photonics” RAS

Email: kmikran@spark-mail.ru
Russian Federation, 119333, Moscow

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2. Fig. 1. Dependence of the braking capacity of aluminum S for a lithium ion beam with different energies: solid line – calculation with e1i = 6 eV; dashed dash - calculation with e1i = 7 eV; lines – approximate data from third–party authors [11]; symbols – experimental data from compilation X. Paul [11].

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3. Fig. 2. Dependence of the inhibitory capacity of carbon for a lithium ion beam with different energies: solid line – calculation; lines – approximate data from third–party authors [11]; symbols - experimental data from compilation X. Paul [11].

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4. Fig. 3. Dependence of the inhibitory ability of carbon for a beam of beryllium ions with different energies: solid line – calculation; lines – approximate data from third–party authors [11]; symbols - experimental data from compilation X. Paul [11].

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5. Fig. 4. Dependence of the inhibitory ability of carbon for a beam of boron ions with different energies: solid line – calculation; lines – approximate data from third–party authors [11]; symbols - experimental data from compilation X. Paul [11].

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6. Fig. 5. Dependence of the inhibitory ability of carbon for a beam of carbon ions with different energies: solid line – calculation; lines – approximate data from third–party authors [11]; symbols - experimental data from compilation X. Paul [2].

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