Issue |
Europhys. Lett.
Volume 35, Number 7, September I 1996
|
|
---|---|---|
Page(s) | 499 - 504 | |
Section | Atomic, molecular and optical physics | |
DOI | https://doi.org/10.1209/epl/i1996-00141-0 | |
Published online | 01 September 2002 |
Energy loss of swift H3+-molecule ions in carbon foils
1
Departament de Física Aplicada,
Universitat d'Alacant, Apartat 99, E-03080 Alacant, Spain
2
Departamento de Física, Universidad de Murcia - Apdo. 4021, E-30080
Murcia, Spain
3
Instituto Balseiro, Centro Atómico Bariloche - RA-8400 Bariloche,
Argentina
Received:
20
March
1996
Accepted:
8
July
1996
The energy loss of -molecule
beams interacting with amorphous carbon targets has been calculated,
both as a function of the target thickness and
the projectile velocity.
We have considered the spatial changes, due to Coulomb repulsion,
of the initial molecular configuration
after the
ion enters the target and then
used a dielectric formalism to evaluate the
stopping power of the correlated protons.
The ratio between the stopping power of the
molecule and that of
its constituents considered individually accounts for the vicinage
effects and agrees reasonably well with available experimental data.
PACS: 34.50.Bw – Energy loss and stopping power / 36.40.-c – Atomic and molecular clusters
© EDP Sciences, 1996
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