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Abstract
Nitric Oxide (NO) plays an important role in areas such as Chemistry, Physics and Biology.In order to better understand the interactions of NO, its van der Waals complexes are thetarget of experimental and theoretical studies. Different NO-Rare gas complexes have beenstudied, however there has yet to be a report of any structured spectrum of the NO-Hecomplex. In this thesis, a measurement of the near IR spectrum of NO-He in the region ofthe first NO overtone transition is presented. The IR absorption is detected by exciting thevibrationally excited complex into the A-state continuum. The comparison to the theory ofKlos, Chalasinski et al. (J. Chem. Phys. 112, 2195 (2000)) is in good agreement with theobserved spectrum. Given the results, this thesis opens up the possibility of using Heliumas a seed gas in order to study other NO van der Waals complexes.