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1 September 2001 Comparisons of LET Distributions Measured in Low-Earth Orbit Using Tissue-Equivalent Proportional Counters and the Position-Sensitive Silicon-Detector Telescope (RRMD-III)
Tadayoshi Doke, Takayoshi Hayashi, Thomas B. Borak
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Abstract

Doke, T., Hayashi, T. and Borak, T. B. Comparisons of LET Distributions Measured in Low-Earth Orbit Using Tissue-Equivalent Proportional Counters and the Position-Sensitive Silicon-Detector Telescope (RRMD-III). Radiat. Res. 156, 310–317 (2001).

Determinations of the LET distribution, ϕ(L), of charged particles within a spacecraft in low-Earth orbit have been made. One method used a cylindrical tissue-equivalent proportional counter (TEPC), with the assumption that for each measured event, lineal energy, y, is equal to LET and thus ϕ(L) = ϕ(y). The other was based on the direct measurement of LETs for individual particles using a charged-particle telescope consisting of position-sensitive silicon detectors called RRMD-III. There were differences of up to a factor of 10 between estimates of ϕ(L) using the two methods on the same mission. This caused estimates of quality factor to vary by a factor of two between the two methods.

Tadayoshi Doke, Takayoshi Hayashi, and Thomas B. Borak "Comparisons of LET Distributions Measured in Low-Earth Orbit Using Tissue-Equivalent Proportional Counters and the Position-Sensitive Silicon-Detector Telescope (RRMD-III)," Radiation Research 156(3), 310-316, (1 September 2001). https://doi.org/10.1667/0033-7587(2001)156[0310:COLDMI]2.0.CO;2
Received: 25 May 2000; Accepted: 1 May 2001; Published: 1 September 2001
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