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- W1998432889 abstract "Methane doped into Kr crystals was dissociated in situ using synchrotron radiation. Strong VUV absorption and emission lines could be attributed to atomic carbon by comparing them with its energy levels in the gas phase. Carbon atoms in the matrix are most efficiently excited within the triplet system (3P 3S, 3P and 3D) and relax to the lowest excited quintet and singlet states before they return radiatively to the ground state. Very large blue shifted Rydberg states have to be invoked for this interpretation of the excitations. Other characteristic VUV spectra of dissociated methane in Kr matrix are attributed to the CH radical. Excitation into the D 2II state is followed by emission either from the C 2Σ+ state or from a higher energetic potential minimum which we tentatively assign to another 2Σ+ state that is strongly modified in the matrix. Neither CH2 nor CH3 was observed in solid Kr." @default.
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- W1998432889 date "1999-02-10" @default.
- W1998432889 modified "2023-10-18" @default.
- W1998432889 title "Dissociation of CH<sub>4</sub>in a krypton matrix: VUV spectra of atomic C and of the radical CH" @default.
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- W1998432889 doi "https://doi.org/10.1080/00268979909482979" @default.
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