Published 1984 | Version v1
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K-shell ionisation cross sections for W, Au and U by low velocity protons

Description

Proton-induced K-shell ionisation cross section for W, Au and U by low velocity protons were obtained from thick target measurements. For the first time the lowest incident energy reached a value less than 10 times the binding energy of the K-shell electron (less than 9 times in the case of Au). Possible errors are thoroughly examined and a comparison with other available experimental results and theoretical values is presented and discussed. (Author)

Availability note (English)

MF available from INIS under the Report Number.

Abstract (Portuguese)

Foram obtidos secoes de choque da ionizacao da camada K do W, Au e U por protons com energias entre 0.65 e 3.74 MeV. Os resultados experimentais sao comparados com valores teoricos calculados na aproximacao de Born de onda plana e na aproximacao semi-classica. Em particular, sao discutidas as correcoes de trajetoria, energia de ligacao e relativistica, assim como, o aspecto inelastico de colisoes a baixas velocidades. (Autor)

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Publishing Information

Imprint Pagination
16 p.
Report number
PUC-TN--07/84