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Observation of picosecond kinetics of hydroxyl radical by ultrafast pulse radiolysis

超高速パルスラジオリシスによるOHラジカルのピコ秒動力学の観測

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

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

紫外領域の分光計測用のピコ秒パルスラジオリシス装置を開発した。この装置を用いて、H$$_{2}$$O, 2.0 M HClO$$_{4}$$水溶液とD$$_{2}$$O中でのピコ秒領域のOHラジカルの挙動の直接計測に成功した。実験結果とMonte-Carloシミュレーションがよく一致することを示した。

A setup was constructed to conduct picosecond time-resolved pulse radiolysis in UV region. Using this system, a direct observation of the picosecond kinetics of hydroxyl radical in pure H$$_{2}$$O, 2.0 M HClO$$_{4}$$ aqueous solution and pure D$$_{2}$$O was realized for the first time. A good agreement between the experimental results and Monte-Carlo simulations was demonstrated.

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