Abstract:Double resonance spectroscopy via the EF 1 ⌺ g + , EF Ј =6,JЈ state has been used to probe the rovibrational structure of the ungerade double-well BЉB 1 ⌺ u + state of H 2 . Transitions to the BЉB 1 ⌺ u + , B = 17− 35, J =0−4 levels of the outer-well and to the B Љ B = 46− 50, J =0−4 levels of the combined inner and outer wells above the barrier have been recorded by detecting both molecular and atomic ion production as a function of energy by using a time of flight mass spectrometer. Theoretical energy calcul… Show more
“…The unusual structure and dynamics of these molecular configurations have long been of interest; however, these same attributes have also made them difficult to study [8][9][10][11]. In particular, the ion-pair configuration has yet to be fully explored in molecular hydrogen.…”
mentioning
confidence: 99%
“…Resonances are observed by ionizing neutral H(3l) to produce H + , which is then detected by using a time-of-flight mass spectrometer. Figure 2 illustrates the apparatus used to acquire ionization spectra [10]. Narrowbandwidth radiation at 193 nm is generated by frequency mixing the output of a 704-nm pulsed dye laser with the output of the fourth harmonic of a Nd:YAG laser at 266 nm and used to populate the v = 6 level of the E,F 1 + g state by two-photon absorption from the ground state.…”
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