Relativistic electron- and proton-impact ionization of highly stripped heavy ions determined from projectile-electron loss in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">H</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></math></span> and He

B. Feinberg; Harvey Gould; W. E. Meyerhof; A. Belkacem; H.-P. Hülskötter; J. R. Alonso; L. Blumenfeld; E. Dillard; N. Guardala; G. F. Krebs; M. A. McMahan; M. J. Rhoades-Brown; B. S. Rude; J. Schweppe; D. W. Spooner; K. Street; P. Thieberger; H. Wegner

doi:10.1103/PhysRevA.47.2370

Relativistic electron- and proton-impact ionization of highly stripped heavy ions determined from projectile-electron loss in $H_{2}$ and He

B. Feinberg, Harvey Gould, W. E. Meyerhof, A. Belkacem, H.-P. Hülskötter, J. R. Alonso, L. Blumenfeld, E. Dillard, N. Guardala, G. F. Krebs, M. A. McMahan, M. J. Rhoades-Brown, B. S. Rude, J. Schweppe, D. W. Spooner, K. Street, P. Thieberger, and H. Wegner

Phys. Rev. A 47, 2370 – Published 1 March 1993

Abstract

We show that electron- and proton-impact ionization cross sections for highly stripped heavy ions can be deduced from the projectile-electron-loss cross sections determined by collisions with a $H_{2}$ and a He target. We measure electron loss for 100- and 380-MeV/u ${Au}^{52 +}$ , and 405-MeV/u $U^{86 +}$ in $H_{2}$ and He targets, and extract the electron- and proton-impact ionization cross sections. Our results are compared with calculations and with channeling experiments.

Received 9 October 1992

DOI:https://doi.org/10.1103/PhysRevA.47.2370

Authors & Affiliations

B. Feinberg, Harvey Gould, W. E. Meyerhof, A. Belkacem, H.-P. Hülskötter, J. R. Alonso, L. Blumenfeld, E. Dillard, N. Guardala, G. F. Krebs, M. A. McMahan, M. J. Rhoades-Brown, B. S. Rude, J. Schweppe, D. W. Spooner, K. Street, P. Thieberger, and H. Wegner

Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory, MS 51-208, One Cyclotron Road, Berkeley, California 94720
Chemical Sciences Division, Lawrence Berkeley Laboratory, MS 71-259, One Cyclotron Road, Berkeley, California 94720
Department of Physics, Stanford University, Stanford, California 94305
Accelerator Development Department, Brookhaven National Laboratory, Upton, New York 11973
Berkeley High School, Berkeley, California 94704
Department of Physics, Brookhaven National Laboratory, Upton, New York 11973

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Vol. 47, Iss. 3 — March 1993

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