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Rotational Analysis of A2u-X2g System of 16O2+ Cation
Jing Zhang,Yuan-yue Zhu,Lun-hua Deng*,Yang-qin Chen
Author NameAffiliationE-mail
Jing Zhang State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal Uni-versity, Shanghai 200062, China  
Yuan-yue Zhu State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal Uni-versity, Shanghai 200062, China  
Lun-hua Deng* State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal Uni-versity, Shanghai 200062, China lhdeng@phy.ecnu.edu.cn 
Yang-qin Chen State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal Uni-versity, Shanghai 200062, China  
Abstract:
The Doppler-limited absorption spectrum of 16O2+-1 by optical heterodyne velocity modulation absorption spectroscopy (OH-VMS). The transitions were assigned to the (2, 19), (3, 20), and (5, 21) bands in the second negative system (A2u-X2g). All the available lines measured using OH-VMS were global fitted in a nonlinear least-squares fitting procedure, and precise molecular con-stants (Bv, Av, Dv, pv, qv, γv) were obtained for the involved levels.
Key words:  Oxygen molecule cation, Second negative system, Rotational resolution
FundProject:
氧分子离子A2u-X2g态转动光谱分析
张静,朱圆月,邓伦华*,陈扬骎
摘要:
利用光外差-速度调制吸收光谱技术,测量了氧气分子离子在11385~12100 cm-1的多普勒分辨吸收光谱,获得的谱线被指认到该分子离子第二负带的(2,19)、(3,20)、(5,21)跃迁谱带.利用全局拟合方式,得到了涉及能级的精确分子常数.
关键词:  氧气分子离子,第二负带,转动分辨光谱
DOI:10.1063/1674-0068/27/02/137-143
分类号: