| Budget Amount *help |
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
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| Outline of Final Research Achievements |
We have succeeded in measuring the translational and rotational temperature dependence of the rate constants of low-temperature ion-polar molecule reactions, which are important for interstellar molecule formation. We demonstrated for the first time the importance of the rotational level distribution dependence of polar molecules in the reaction rate constants. In addition, the proposal of a new method for measuring low-temperature ion-polar molecule reactions and the success of the proof-of-principle experiment pave the way for future experimental studies of low-temperature ion-polar molecule reactions. On the other hand, in the theoretical research, we have successfully developed a reaction dynamics simulation code for ion-molecule reactions that incorporates non-adiabatic phenomena, which is necessary for the evaluation of reaction rate constants and branching ratios and for the elucidation of the reaction mechanism.
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