CH3F中的Ortho-Para转换。自洽理论模型
Ortho-Para Conversion in CH3F. Self-Consistent Theoretical Model
摘要:
提出了一个完整的13 CH 3F分子内邻对位态混合引起核自旋转换的理论模型。该模型包含从13 CH 3F自旋转换的能级交叉谱确定的参数。这组参数包括邻位-对位退相干速率、分子核之间的超精细自旋-自旋相互作用的大小以及混合邻位和对位态之间的能隙。这些参数被发现是在一个很好的协议与他们的理论估计。
英文摘要:
A complete theoretical model of the nuclear spin conversion in 13CH3F induced by intramolecular ortho-para state mixing is proposed. The model contains parameters determined from the level-crossing spectra of the 13CH3F spin conversion. This set of parameters includes the ortho-para decoherence rate, the magnitude of the hyperfine spin-spin interaction between the molecular nuclei and the energy gap between the mixed ortho and para states. These parameters are found to be in a good agreement with their theoretical estimates.
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