Publication: Zeeman Relaxation of CaF in Low-Temperature Collisions with Helium
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Date
2005
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American Physical Society (APS)
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Maussang, Kenneth, Dima Egorov, Joel S. Helton, Scott V. Nguyen, and John M. Doyle. 2005. Zeeman Relaxation of CaF in Low-Temperature Collisions with Helium. Physical Review Letters 94, no. 12. doi:10.1103/physrevlett.94.123002.
Abstract
The collision-induced Zeeman relaxation rate for collisions of CaF X2Σ (v00 = 0) with 3He is measured to be ΓZ = (7.7 + 5.4/ − 2.5) × 10−15 cm3 /s at 2 K. This rate is a direct measurement of the influence of spin-rotation coupling on Zeeman relaxation in the first rotational level of CaF. The relationship of this rate to known molecular constants is consistent with recent theory of cold molecular collisions and outlines the 2Σ molecules conducive to magnetic trapping.
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