Angular distributions of projectiles following electron capture from C{sub 60} by 2.5-keV Ar{sup 8+}
- J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, Kansas 66506-2604 (United States)
- Physics Department, University of Wisconsin, Madison, Wisconsin 53607 (United States)
Experimental measurements of the projectile angular distributions for 2.5-keV Ar{sup 8+} ions capturing one to five electrons from a gas-phase C{sub 60} target are presented. The number of captured electrons was determined by demanding a coincidence between the scattered projectile and a charge-state-analyzed intact C{sub 60} recoil ion. The results are compared to calculations based on a dynamical classical overbarrier model. Good agreement is obtained only if the influence on the projectile trajectory by the large polarizability of the C{sub 60} target is taken into account, thereby making the collective dielectric response of the cluster target observable in a scattering experiment. {copyright} {ital 1998} {ital The American Physical Society}
- OSTI ID:
- 639089
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 58; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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