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Methods of calculating the Barkas-effect correction to Bethe–Bloch stopping power (1990)

Porter, L. E. ; Lin, Hong

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 67 (1990), S. 6613-6620

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The low-velocity Barkas-effect correction term for the Bethe–Bloch stopping-power formula has been calculated with each of the three extant formalisms for targets with atomic numbers from 1 to 18 and for projectile velocities from 0.025c to 0.3c. Comparison of each with measurements on aluminum revealed which formalism provided the best fit over three different projectile velocity intervals. The method yielding the generally superior agreement was used to calculate the stopping power of each element (except Li, F, Na, Mg, P, and Cl) for protons and alpha particles with energies between 0.5 and 5.0 MeV. Results corresponded very closely to those of an existing fit to most known experimental data.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.345094

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