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

研究成果: Chapter

6 被引用数 (Scopus)

抄録

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.

本文言語English
ホスト出版物のタイトルJapanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
ページ2086-2089
ページ数4
26
12
出版ステータスPublished - 1987 12
外部発表はい

ASJC Scopus subject areas

  • Engineering(all)

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