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采用激光诱导荧光技术对ＩｎＣｌ分子 Ｂ３∏１→Ｘ１∑＋荧光光谱进行了分析和归属，并对Ｂ３∏１（ｖ’＝０）→Ｘ１∑＋（ｖ＂＝０）的时间分辨谱进行了观测．首次得到ＩｎＣｌ分子Ｂ２∏１态（ｖ＇＝０）无碰撞辐射寿命 ０≈３５３ｎｓ；无辐射弛豫速率常数ｋＱ≈１．９８５×１０－１０ｃｍ３ｍｏｌｅｃ－１ｓ－１及电子跃迁矩｜Ｒｅ｜２＝ ０．４０Ｄ２．
The fluorescence spectra of InCl molecule B3Π1 → X1Σ + were analyzed and assigned using laser-induced fluorescence. The time-resolved spectra of B3Π1 (v ’= 0) → X1Σ + (v "= 0) Observations. The first-order lifetime of collision-free radiation in the B2Π1 state (v ’= 0) of InCl molecule is 0 ≈ 353 ns. The constant of radiation-free relaxation rate kQ≈1.985 × 10-10 cm3molec-1s-1 and the electron transition moment | Re | 2 = 0.40D2.