Bond-distance-dependent decay probability of the N 1s → π* core-excited state in N2

被引：43
|
作者：
Piancastelli, MN
Fink, RF
Feifel, R
Bässler, M
Sorensen, SL
Miron, C
Wang, H
Hjelte, I
Björneholm, O
Ausmees, A
Svensson, S
Salek, P
Gel'mukhanov, FK
Ågren, H
机构：
[1] Univ Uppsala, Dept Phys, S-75121 Uppsala, Sweden
[2] Univ Lund, Inst Phys, Dept Synchrotron Radiat Res, S-22100 Lund, Sweden
[3] Royal Inst Technol, S-10044 Stockholm, Sweden
[4] Univ Rome Tor Vergata, Dept Chem Sci & Technol, I-00133 Rome, Italy
[5] Ruhr Univ Bochum, D-44780 Bochum, Germany
[6] Univ Lund, Max Lab, S-22100 Lund, Sweden
[7] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2000年 / 33卷 / 09期
关键词：
D O I：
10.1088/0953-4075/33/9/311
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the observation of the unusually weak decay of the N 1s --> pi* core-excited N-2 molecule to the (B) over tilde (2)Sigma(u)(+) final state of N-2(+), which is only detectable in an experiment with high sensitivity. The resonant Auger spectra exhibit an unexpected dependence on the selected vibrational level of the intermediate state. Theoretical calculations show that the interference between direct and resonant photoemission as well as a strong geometry dependence of the decay probability on the bond distance give rise to the observed features.
引用
收藏
页码：1819 / 1826
页数：8
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