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Radiation damage to tetramethlysilane and tetramethlygermanium ionization chambers

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16 Author(s)
Y. Hoshi ; Dept. of Appl. Phys., Tohoku Gakuin Univ., Tagajo, Japan ; M. Higuchi ; K. Oyama ; H. Akaishi
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Two detector media suitable for a warm liquid ionization chamber filled with tetramethylsilane (TMS) and tetramethylgermanium (TMG) were exposed to γ-radiation from a 60Co source up to a dose of 579 Gray and 902 Gray, respectively. The electron lifetimes and the free ion yields were measured as a function of accumulated radiation dose. A similar behavior of the electron lifetimes and the free ion yields with increasing radiation dose was observed between the TMS and TMG ionization chambers

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IEEE Transactions on Nuclear Science  (Volume:41 ,  Issue: 4 )