Double K-shell ionization in C2H2n(n=1,3), CO and N2

被引:0
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作者
Nakano, M. [1 ,2 ]
Penent, F. [1 ,3 ,4 ]
Tashiro, M. [5 ]
Grozdanov, T. P. [6 ]
Zitnik, M. [7 ]
Carniato, S. [3 ,4 ]
Selles, P. [3 ,4 ]
Andric, L. [3 ,4 ]
Lablanquie, P. [3 ,4 ]
Palaudoux, J. [3 ,4 ]
Shigemasa, E.
Iwayama, H. [5 ]
Hikosaka, Y. [8 ]
Soejima, K. [8 ]
Suzuki, I. H. [1 ]
Kouchi, N. [2 ]
Ito, K. [1 ]
机构
[1] High Energy Accelerator Org, Inst Mat Struct Sci, 1-1 Oho, Tsukuba, Ibaraki 3050801, Japan
[2] Tokyo Inst Technol, Dept Chem, Tokyo, Japan
[3] UPMC Univ Paris, LCPMR, F-75231 Paris, France
[4] CNRS, LCPMR, UMR 7614, F-75231 Paris, France
[5] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
[6] Univ Belgrade, Inst Phys, YU-11080 Belgrade, Serbia
[7] Jozef Stefan Inst, Ljubljana SI-1001, Slovenia
[8] Niigata Univ, Dept Environm Sci, Niigata 9502181, Japan
关键词
D O I
10.1088/1742-6596/488/2/022013
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have observed single photon one-site (K-2) and two-sites (K-1K-1) double K-shell ionization in C2H2n (n-1-3) sequence and in isoelectronic C2H2. N-2 and CO molecules. The spectroscopy of K-1K-1 states is much more sensitive to the bond length than conventional ESCA spectroscopy based on single K-shell ionization. The mechanism of single photon two-sites is due to a knock-out process in which a primary photoionized 1s electrons eject another Is electron on the neighbor atom.
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