Superexcited states in the vacuum-ultraviolet photofragmentation of isoxazole molecules

Tomasz J. Wąsowicz; Antti Kivimaki; Marcello Coreno; Mariusz Zubek

doi:10.1088/0953-4075/45/20/205103

Superexcited states in the vacuum-ultraviolet photofragmentation of isoxazole molecules

Abstrakt

The photofragmentation of isoxazole molecules producing excited atomic and molecular fragments has been investigated over the energy range 16-50 eV, using photon-induced fluorescence spectroscopy. The following fragments have been identified by their fluorescence: the excited hydrogen atoms H(n), n = 3-7 and the diatomic CH(A2Δ, B2Σ−), CN(B2Σ+) and C2(d3Πg) fragments. The diatomic fragments are vibrationally and highly rotationally excited. The fragmentation yield curves for the CH(A2Δ), CN(B2Σ+), C2(d3Πg) and the H(n), n = 3-7 deduced from their emission yields, were obtained in the photon energy ranges from their appearance energies up to 50 eV. It is found that the fragmentation occurs via excitation into higher lying superexcited states of isoxazole. The vertical excitation energies of these states were determined and their possible fragmentation processes are discussed.

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ATOMIC AND MOLECULAR PHYSICS

Informacje szczegółowe

Kategoria:: Publikacja w czasopiśmie
Typ:: artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS nr 45,
ISSN: 0953-4075
Język:: angielski
Rok wydania:: 2012
Opis bibliograficzny:: Wąsowicz T., Kivimaki A., Coreno M., Zubek M.: Superexcited states in the vacuum-ultraviolet photofragmentation of isoxazole molecules // JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. -Vol. 45, nr. iss.20 (2012),
DOI:: Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1088/0953-4075/45/20/205103
Weryfikacja:: Politechnika Gdańska