A quantitative analysis of the N 1s→π* photoabsorption profile in N2:: new spectroscopical constants for the core-excited state

被引：20

作者：

Feifel, R

Andersson, M

Öhrwall, G

Sorensen, SL

Piancastelli, MN

Tchaplyguine, M

Björneholm, O

Karlsson, L

Svensson, S

机构：

[1] Uppsala Univ, Dept Phys, S-75121 Uppsala, Sweden

[2] Lund Univ, Max Lab, S-22100 Lund, Sweden

[3] Lund Univ, Inst Phys, Dept Synchrotron Radiat Res, S-22100 Lund, Sweden

[4] Univ Roma Tor Vergata, Dept Chem Sci & Technol, I-00133 Rome, Italy

[5] Univ Roma Tor Vergata, INFM, I-00133 Rome, Italy

来源：

CHEMICAL PHYSICS LETTERS | 2004年 / 383卷 / 3-4期

关键词：

D O I：

10.1016/j.cplett.2003.11.026

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The N 1s --> pi* photoabsorption profile of N-2 is quantitatively analysed. New spectroscopical constants for the N 1s(-1) pi* core-excited state are determined from NEXAFS spectra and compared to previously published data. The accuracy of the new spectroscopical constants is discussed and error bars are given for the present data analysis. The goodness of the new spectroscopical constants is demonstrated by lifetime vibrational interference (LVI) simulations of the resonant Auger decay from the N 1s(-1) pi* core-excited state to the A(2)Pi(u) singly ionized final state of N-2. These new values give a much better agreement with recently obtained experimental data compared to the previously published ones. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：222 / 229

页数：8

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