Stopping powers of solids for 40Ar and 40Ca ions at intermediate energies (20–80 MeV/u)

https://doi.org/10.1016/0168-583X(86)90443-XGet rights and content

Abstract

The stopping powers of 11 solid media have been measured for 20–80 MeV/u Ar and 80 MeV/u Ca ions from the French GANIL accelerator. The energy measurements were made using the LISE magnetic spectrometer. The accuracy in stopping power determinations is of ± 1–2%. Several charge state distributions for Ar ions exiting relatively thick targets of Be, Al, Au have also been determined. The stopping power data have been compared with semi-empirical values from the literature, and with a scaling relative to He ion stopping powers, assuming fully stripped ions inside the degraders. The best agreement is obtained with the values from Ziegler (Pergamon 1980) over the whole energy range; the tabulation of Hubert et al. (Ann. Phys. Fr. 5 supp. (1980)) leads to a fair agreement with the data for degraders heavier than C. but overestimates the stopping powers of Be and C by 10–15%; the simple scaling method gives results in agreement with all data above 40 MeVu.

References (16)

  • R. Bimbot et al.

    Nucl Instr and Meth

    (1978)
  • R. Bimbot et al.

    Nucl. Instr. and Meth.

    (1980)
  • R.L. Hahn et al.

    Nucl. Instr. and Meth.

    (1981)
  • H. Geissel et al.

    Nucl. Instr. and Meth.

    (1982)
  • L.C. Northcliffe et al.

    Nucl. Data

    (1970)
  • H.H. Andersen

    Bibliography and index of experimental range and stopping power data

    (1977)
  • F. Hubert et al.

    Ann. Phys. Fr.

    (1980)
  • J.F. Ziegler
There are more references available in the full text version of this article.

Cited by (0)

Experiment performed at the GANIL National Facility in Caen (France).

View full text