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Recent progresses in the studies on water radiolysis

水の放射線分解研究の最近の展開

Lin, M.; 勝村 庸介*; 室屋 裕佐*; Meesungnoen, J.*; Mostafavi, M.*; Jay-Gerin, J.-P.*

Lin, M.; Katsumura, Yosuke*; Muroya, Yusa*; Meesungnoen, J.*; Mostafavi, M.*; Jay-Gerin, J.-P.*

本招待講演では、最新のピコ秒パルスラジオリシスで観測された水和電子,OHラジカルの反応挙動の実験結果を紹介し、これまでの研究との比較と、モンテカルロ計算による解析結果を述べる。さらに、水和電子の挙動に対する温度効果についても、直接測定,捕捉剤測定の実験結果が得られてきた。高温での低LET放射線による水の分解挙動をモンテカルロ計算結果とともに紹介する。

In this invited talk, the latest results of the decay kinetics at room temperature of hydrated electron and hydroxyl radical obtained by picosecond pulse radiolysis will be introduced and then compared with the previous studies and the Monte-Carlo simulations. On the other hand, some experimental results about temperature effects on the temporal behaviors of hydrated electron obtained by direct kinetic measurements and scavenging method will be presented together with the Monte-Carlo studies on the evaluation of the time of spur expansion in low-LET high temperature radiolysis of water.

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