| ATOMIC AND MOLECULAR PHYSICS |
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Inner-Shell Excitations of 2p Electrons of Argon Investigated by Fast Electron Impact with High Resolution |
| REN Lin-Mao, WANG You-Yan, LI Dong-Dong, YUAN Zhen-Sheng, ZHU Lin-Fan**
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Hefei National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Hefei 230026
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| Cite this article: |
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REN Lin-Mao, WANG You-Yan, LI Dong-Dong et al 2011 Chin. Phys. Lett. 28 053401 |
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Abstract Electron energy loss spectra of inner-shell excitations of 2p electrons of argon are measured at an incident electron energy of 2500 eV and scattering angles of 0° and 4°. The dipole−forbidden transitions of 2p3/2-14p and 2p3/2-15p are observed in the measured spectra and assigned based on the calculations of the Cowan code. The positions and line widths for the excitations of 2p3/2-1nl and 2p1/2-1 nl(n≤5) of argon are determined. The present results show that the line widths of the electric quadrupole transitions of 2p3/2-14p[5/2+3/2]2 and the electric monopole one of 2p3/2-14p[1/2]0 are less than those of the dipole-allowed transitions.
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| Keywords:
34.80.Dp
32.80.Aa
32.80.Hd
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Received: 13 January 2011
Published: 26 April 2011
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| PACS: |
34.80.Dp
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(Atomic excitation and ionization)
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32.80.Aa
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(Inner-shell excitation and ionization)
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32.80.Hd
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(Auger effect)
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