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二酸化炭素凝縮層中に捕捉した水素の核スピン転換

Nuclear spin conversion of hydrogen trapped in condensed layers of carbon dioxide

山川 紘一郎   ; 石橋 篤季*; 波吉 敏信*; 荒川 一郎*

Yamakawa, Koichiro; Ishibashi, Atsuki*; Namiyoshi, Toshinobu*; Arakawa, Ichiro*

凝縮系における核スピン異性体間の転換機構に近年関心が持たれている。本研究では、二酸化炭素凝縮層内で分極した水素分子の微弱な赤外吸収を検出することにより、転換速度を測定し、転換機構を考察した。

The mechanism of the interconvertion between the nuclear spin isomers has been attracted much interest recently. In the present work, we detected the weak infrared absorption by hydrogen molecules polarized in the condensed layers of carbon dioxide and measured the rate of the nuclear spin conversion to discuss its mechanism.

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