FLUORESCENCE EXCITATION SPECTRUM OF B2Σ＋—X2 Σ+ OF AlO RADICAL IN A SUPERSONIC JET | Zendy

Jin Jin | Zendy; Chen Yang | Zendy; Pei Lin-Sen | Zendy; Hu Chang-Jin | Zendy; MA XING-XIAO | Zendy; CHEN CONG-XIANG | Zendy

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FLUORESCENCE EXCITATION SPECTRUM OF B2Σ＋—X2 Σ+ OF AlO RADICAL IN A SUPERSONIC JET

Author(s) -

Jin Jin,

Chen Yang,

Pei Lin-Sen,

Hu Chang-Jin,

MA XING-XIAO,

CHEN CONG-XIANG

Publication year - 2000

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.49.1689

Subject(s) - excited state , anharmonicity , excitation , atomic physics , jet (fluid) , materials science , ground state , supersonic speed , fluorescence , laser induced fluorescence , range (aeronautics) , physics , optics , condensed matter physics , quantum mechanics , thermodynamics , composite material

Laser-induced fluorescence excitation spectrum of B2Σ— X2Σ+ transition of gas-phase AlO radical cooled in a supe rsonic jet has been observed in the range of 430—480nm.AlO was produced by reac ting O2 with Al atoms from a dc discharge-sputtering source.The obser ved vibrational bands were identified as V′-V″=1,2,3 transitions respectively. The vibrational frequencies and anharmonic constants were obtained for both the ground state X2Σ+ and the excited state B2Σ+.Furthermore a rotational analysis of the (1,4) band was made.The abno rmal intensity of the V″=5 transitions is discussed.

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