Passage of heavy charged particles through matter
Conference
·
· Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States)
OSTI ID:7290150
The energy loss of charged particles (much heavier than electrons) at energies where electronic collision predominates may be studied conveniently by separating the particles into two groups: completely stripped particles and partially stripped particles. Bethe's quantum mechanical stopping power equation is of limited applicability for the first group of particles and inapplicable for the second group. A general stopping equation valid for all ions up to relativistic energies has been developed which predicts the experimentally measured stopping powers and ranges of partially stripped heavy ions accurately. From the detailed analysis of the equation a simple formula to predict the number of orbital electrons with velocity less than a given velocity in an element of atomic number Z has been developed. Assuming the above equation to be valid for all the orbital electrons except the two K-shell electrons, it has been possible to calculate the mean excitation potential for any medium.
- Research Organization:
- Indian Inst. of Tech., Kanpur
- OSTI ID:
- 7290150
- Conference Information:
- Journal Name: Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States) Journal Volume: 461
- Country of Publication:
- United States
- Language:
- English
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