Z2-oscillations of magnitude and position of the maximum in the stopping cross section of hydrogen ions

Khodyrev, V.A.; Chumanov, V.Ya.

doi:10.1016/0375-9601(89)90177-1

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…With ek; o given by ( 8), this results in conversion of expression (6) for Gr; v; s into that derived in Ref. [9].…”

Section: The Dielectric Approachmentioning

confidence: 99%

“…The e¡ectiveness of such description has been demonstrated in calculations of the mean ionization potential [4] and the shell correction [5]. The non-monotonous dependence of the stopping cross section on the target atomic number Z 2 is also reproduced in the calculations of such kind [6] provided that the shell structure of target atoms is taken into account.…”

Section: Introductionmentioning

confidence: 99%

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The Local Plasma Frequency Approach in Description of the Impact-Parameter Dependence of Energy Loss

Khodyrev

2001

Phys. Scr.

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The LPF approach of Lindhard and Scharff is generalized to describe on the same basis the impact parameter dependence of energy loss in ion–atom collision. To make this feasible the energy loss is represented as an integral of the local energy deposition over the atomic shell volume. The local energy loss is determined by the induced electron current and the intensity of the projectile field at a given point. The LPF approach consists in an approximate description of the induced current using the corresponding expression for a uniform electron gas. With an appropriate description of the electron gas response, the atomic shell polarization and the state of electron motion are considered. The developed approach provides a possibility to test the accuracy of the customary approximation where the energy loss is expressed through the electron density on the ion trajectory, the local density approximation. A comparison with the available experimental results displays the adequateness of the developed approach if, additionally, the higher-order corrections over the projectile charge are taken into account.

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“…With ek; o given by ( 8), this results in conversion of expression (6) for Gr; v; s into that derived in Ref. [9].…”

Section: The Dielectric Approachmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Local Plasma Frequency Approach in Description of the Impact-Parameter Dependence of Energy Loss

Khodyrev

2001

Phys. Scr.

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Impact-parameter dependence of Barkas correction in energy loss of charged particles

Khodyrev

1996

Nuclear Instruments and Methods in Physics Research Section B:

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Z2-oscillations of magnitude and position of the maximum in the stopping cross section of hydrogen ions

Cited by 2 publications

References 9 publications

The Local Plasma Frequency Approach in Description of the Impact-Parameter Dependence of Energy Loss

The Local Plasma Frequency Approach in Description of the Impact-Parameter Dependence of Energy Loss

Impact-parameter dependence of Barkas correction in energy loss of charged particles

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