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Atomic Spectra

Ionization Potential

Energy Level

Collisional Processes

Quantum Defect


Photon ionization


¡¡ Electron-impact excitation


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Initial state
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Data type: Cross section(XS)
Rate coefficient(RC)
Collision strength(CS)
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     There are about 53,000 records of data at present. The data are about electron impact excitation of Ni-like, Ne-like, C-like, O-like, N-like, Be-like, He-like and H-like ions. On-line calculation and drawing according to the fitting formular have been realized. Part data came from the old version of the SPECTR database created by Multicharged-Ion Spectra Data Center of State Research Center VNIIFTRI in Russia, which were checked by us. More information can be found from the reference.

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