The energy straggling of hydrogen and helium ions in aluminum and polystyrene

Bednyakov, A. A.; Bulgakov, U.V.; Nikolaev, V. S.; Sobakin, V.P.; Chernov, V. L.

doi:10.1016/0375-9601(77)90020-2

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1980

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Cited by 8 publications

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“…with the use of Hartree-Slater-Fock wave functions. Besenbacher et al (1977) and Bednyukov et al (1977) have observed effects due to charge state fluctuations. The latter group observes that cr 8 2 fits the data well for protons in aluminum at 1 MeV and is still accurate to within 10% (5% accuracy for cr 8 ) at 100 keV.…”

Section: •-mentioning

confidence: 99%

Theoretical and experimental aspects of the energy loss of relativistic heavily ionizing particles

1980

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Section: •-mentioning

confidence: 99%

Theoretical and experimental aspects of the energy loss of relativistic heavily ionizing particles

1980

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Energy straggling of hydrogen and helium ions in Al, C, and polystyrene at energies of tens and hundreds keV per nucleon

Bednyakov¹,

Bulgakov²,

Nikolaev³

et al. 1981

Phys. Stat. Sol. (a)

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Energy loss and straggling measurements in thin aluminum, carbon, and polystyrene films are performed for H‐ and He‐ions in the energy intervals ≈ 70 to 500 and ≈ 100 to 1200 keV, respectively. It is shown that the observed spread of the specific straggling experimental values for a given material may be significantly reduced by introducing corrections on nonuniformity of target thickness. Analysis of the results based on existing theories indicate that “charge‐exchange” and “correlative” mechanisms of straggling play an important and even dominant (for He‐ions) role at the energies near maximum of stopping power.

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