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Hexapole State-Selection and Beam Focus of Linear Triatomic Molecules |
| LIU Fu-Chun;JIN Ming-Xing;DING Da-Jun |
| Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012 |
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| Cite this article: |
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LIU Fu-Chun, JIN Ming-Xing, DING Da-Jun 2006 Chin. Phys. Lett. 23 1165-1168 |
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Abstract The state selection and beam focus of linear triatomic molecules (OCS, HCN, ClCN, BrCN and ICN) with doubling states in a hexapole electric field have been numerically realized. The method is based on a quantum mechanical treatment of the molecular Stark energy and a classical mechanical treatment for the molecular trajectory in the field. In linear molecules with doubling states, the second-order Stark effect can be neglected and the doubling states have the same value of J and M. The influences of the molecular properties, state energies, and the apparatus parameters such as molecular beam temperature and length of the hexapole, on the role of state selection and focus have been discussed. The method established here can be taken as a guide for hexapole experiment of orientation of polar molecules.
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| Keywords:
34.50.Lf
39.90.+d
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Published: 01 May 2006
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