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Study on the Two-photon Resonance-enhanced Multiphoton Ionization of CF Radicals:Rotational Analysis of 3p Rydberg State
Li Quanxin,Shu Jinian,Zhang Qun,Zhou Xiao guo,Chen Congxiang,Yu Shuqin,Ma Xingxiao
Author NameAffiliation
Li Quanxin Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Shu Jinian Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Zhang Qun Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Zhou Xiao guo Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Chen Congxiang Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Yu Shuqin Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Ma Xingxiao Department of Chemical Physics,Open Laboratory of Bond-Selective Chemistry,University of Science and Technology of China,Hefei 230026 
Abstract:
CF radicals were generated by using a dc discharge in the mixture of Ar/CF4,Ar/CF2Cl2,and Ar/CF3COOH.The rotationally resolved(2+1)resonance-enhanced multiphoton ionization(REMPI)spectra of CF radical have been investigated in the wavelength range 260~360nm.The analysis shows that the observed spectra can be assigned as the two-photon resonance excitation 3pπD2Πr(ν'=2~6,r=3/2,1/2)←←X2Πr(ν"=0,r=3/2,1/2).The related rotational constants and the spin-orbit splitting values of CF 3p Rydberg state have been derived.
Key words:  CF radical,Pulsed dc discharge,REMPI
FundProject:国家自然科学基金、国家教委回国人员基金和九五攀登计划资助课题
CF自由基双光子共振增强多光子电离研究:3pRy dberg态的转动分析
李全新,束继年,张群,周晓国,陈从香,俞书勤,马兴孝
摘要:
利用Ar/CF4、Ar/CF2Cl2或Ar/CF3COOH混合气体的直流脉冲放电产生CF自由基,观测了260~360nm范围内转动分辨的CF自由基双光子共振增强多光子电离谱。分析表明,该段光 谱对应于CF自由基3pπD2Πr(ν'=2~6,r=3/2,1/2)←←X2Πr(ν"=0,r=3/2,1/2)的共振激发。对观测的振动带进行了转动分析,并获得了3p里德堡态的转动常数和自旋-轨道分裂值。
关键词:  CF自由基  直流脉冲放电  共振增强多光子电离
DOI:10.1088/1674-0068/13/1/6-10
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