New experimental data on the K2 a3Σu+ state analyzed with the multi-parameter approach

被引：23

作者：

Ahmed, E

Lyyra, AM

Xie, F

Li, D

Chu, Y

Li, L

Ivanov, VS

Sovkov, VB

Magnier, S

机构：

[1] St Petersburg State Univ, VA Fock Inst Phys, St Petersburg 198504, Russia

[2] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA

[3] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

[4] Tsinghua Univ, Lab Atom & Mol Nanosci, Beijing 100084, Peoples R China

[5] IUFM Bretagne, D-35043 Marburg, Germany

[6] CNRS, Lab Phys Atomes Lasers Mol & Surfaces, PALMS, F-35042 Rennes, France

[7] Univ Rennes 1, UMR 6627, F-35042 Rennes, France

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 2005年 / 234卷 / 01期

基金：

中国国家自然科学基金; 美国国家科学基金会; 俄罗斯基础研究基金会;

关键词：

potassium dimer; multi-parameter potential function; triplet states;

D O I：

10.1016/j.jms.2005.08.001

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

New observations of the K-39(2) a(3)Sigma(+)(u) state are reported. The results include ro-vibrational term values and intensity distributions of the transitions from excited triplet states to this lowest triplet state. The new and previous experimental data are analyzed to obtain the multi-parameter [modified Lennard-Jones] description of the a(3)Sigma(+)(u) state potential function in a range including both attractive and repulsive limbs. The same description is applied to the K-2 3(3)Pi(g) and 4(3)Pi(+)(g) states. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：41 / 52

页数：12

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[11] A "modified Lennard-Jones oscillator" model for diatom potential functions [J].