The multiphoton ionization spectrum of jet-cooled pyrimidine in the 3p Rydberg and B1 (π,n) states |
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| Authors: | J.G. Philis |
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| Affiliation: | Department of Physics, University of Ioannina, GR451110 Ioannina, Greece |
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| Abstract: | Resonance-enhanced multiphoton ionization (REMPI) has been applied to study the n → 3p Rydberg transition of pyrimidine (jet-cooled sample and mass resolved spectrum). Only the one component, the 3pz(B2), appears in the (2 + 1) REMPI and the active vibrations are ν6a = 622, ν1 = 946, and ν9a = 1116 cm−1. The symmetry of the state was determined by polarization measurements (linear, circular polarization). The first (π∗,n) 3B1 triplet state appears as a one-photon resonance in the three-photon ionization process. |
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| Keywords: | Pyrimidine 1,3-Diazine REMPI Rydberg states Triplet Mass spectrum |
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