期刊
JOURNAL OF CHEMICAL PHYSICS
卷 145, 期 24, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4972130
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资金
- Swiss National Science Foundation [200020-159848]
- NCCR QSIT
- European Union H2020 FET Proactive Project RySQ [640378]
- Swiss National Science Foundation (SNF) [200020_159848] Funding Source: Swiss National Science Foundation (SNF)
The energy dependence of the rate coefficient of the H-2(+) + H-2 -> H-3(+) + H reaction has been measured in the range of collision energies between k(B) . 10 K and k(B) . 300 mK. A clear deviation of the rate coefficient from the value expected on the basis of the classical Langevin-capture behavior has been observed at collision energies below k(B) . 1 K, which is attributed to the joint effects of the ion-quadrupole and Coriolis interactions in collisions involving ortho-H-2 molecules in the j = 1 rotational level, which make up 75% of the population of the neutral H-2 molecules in the experiments. The experimental results are compared to very recent predictions by Dashevskaya et al. [J. Chem. Phys. 145, 244315 (2016)], with which they are in agreement. Published by AIP Publishing.
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