Direct experimental evidence of the hyperfine predissociation of molecular iodine using a saturated absorption experiment |
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Authors: | B Couillaud A Ducasse |
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Institution: | Laboratoire de Spectroscopie Moléculaire, Université de Bordeaux I, 33405 Talence, France |
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Abstract: | A saturated absorption technique using an actively stabilized C.W. dye laser has been used to study the hyperfine structure of some lines lying in the 9-3, 10-3, 11-3, 11-4, 12-3 bands of the B-X system of molecular iodine. The comparison of the different spectra shows that the intensities of the different hyperfine components of one line deviate from the 2F + 1 proportionality when 'v decreases towards the value 'v=6 where the potential curves of the 3Π+0 and 1u states are crossing. The preliminary experimental results concerning the hyperfine component intensity variations versus the quantum numbers 'v, J and F give a direct qualitative support to the recently reported hyperfine predissociation in I2. |
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