| ATOMIC AND MOLECULAR PHYSICS |
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Fine Structures of Atomic Excited States: Precision Atomic Spectroscopy and Electron-Ion Collision Process |
| GAO Xiang1**, CHENG Cheng1,3, LI Jia-Ming1,2
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1Key Laboratory for Laser Plasmas (Ministry of Education) and Department of Physics, Shanghai Jiao Tong University, Shanghai 200240
2Department of Physics and Center for Atomic and Molecular Nanosciences, Tsinghua University, Beijing 100084
3Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800
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| Cite this article: |
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GAO Xiang, CHENG Cheng, LI Jia-Ming 2011 Chin. Phys. Lett. 28 033101 |
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Abstract Scientific research fields for future energies such as inertial confinement fusion researches and astrophysics studies especially with satellite observatories advance into stages of precision physics. The relevant atomic data are not only enormous but also of accuracy according to requirements, especially for both energy levels and the collision data. The fine structure of high excited states of atoms and ions can be measured by precision spectroscopy. Such precision measurements can provide not only knowledge about detailed dynamics of electron-ion interactions but also a bench mark examination of the accuracy of electron-ion collision data, especially incorporating theoretical computations. We illustrate that by using theoretical calculation methods which can treat the bound states and the adjacent continua on equal footing. The precision spectroscopic measurements of excited fine structures can be served as stringent tests of electron-ion collision data.
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| Keywords:
31.15.A-
31.15.Vj
31.30.J-
34.80.Dp
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Received: 09 February 2010
Published: 28 February 2011
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| PACS: |
31.15.A-
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(Ab initio calculations)
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31.15.vj
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(Electron correlation calculations for atoms and ions: excited states)
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31.30.J-
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(Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions)
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34.80.Dp
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(Atomic excitation and ionization)
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