MASS AND ENERGY LIMIT OF ISOTOPE IDENTIFICATION OF HEAVY IONS USING DELTA E minus E SILICON-DETECTOR TELESCOPE.

Nobuyuki Hasebe, Hisashi Yoshii, Tadayoshi Doke, Katsuaki Nagata

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Abstract

The technical limit of isotope identification of ions heavier than iron using a DELTA E minus E silicon detector telescope is presented. The identification of iron or heavier ions with energies less than 30 Mev/n is limited by the nonuniformity of the thickness in a thin silicon detector, and a decrease in the effective charge of low-velocity ions passing through a silicon medium. In an energy region higher than 300 Mev/n, the slope of the stopping power for heavy ions becomes smaller, which limits the capability of isotope identification. In the intermediate energy range, some ions heavier than iron can be identified with a resolution of sigma //m equals 0. 22 amu; the maximum mass identifiable in this DELTA E minus E algorithm is about 100 amu because of the restriction of the nonuniformity of detector thickness and the straggling of the energy loss of ions passing through a silicon detector.

Original languageEnglish
Title of host publicationJapanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
Pages2086-2089
Number of pages4
Volume26
Edition12
Publication statusPublished - 1987 Dec
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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    Hasebe, N., Yoshii, H., Doke, T., & Nagata, K. (1987). MASS AND ENERGY LIMIT OF ISOTOPE IDENTIFICATION OF HEAVY IONS USING DELTA E minus E SILICON-DETECTOR TELESCOPE. In Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes (12 ed., Vol. 26, pp. 2086-2089)