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Collisional relaxation of low lying electronically excited states of uranium: f3ds2(5K50) and (5L70)
Chen, H.L.; Borzileri, C.
California Univ., Livermore (USA). Lawrence Livermore Lab1979
California Univ., Livermore (USA). Lawrence Livermore Lab1979
AbstractAbstract
[en] Laser induced fluorescence techniques were used to measure the rates of electronic relaxation of atomic uranium in a beam-gas scattering apparatus. Cross sections for the collisional deactivation of the U f3ds2(5K50) and (5L70) states by H2, D2, HD, CH4, N2, and CO at room temperature are reported. Upper limits for quenching cross sections with He were also obtained. Relaxation of these uranium metastables by molecular hydrogen (H2, D2 and HD) and methane appears to proceed by resonant electronic-to-rotational or electronic-to-vibration/rotational energy transfer processes. 12 references
Primary Subject
Source
27 Jun 1979; 18 p; 32. annual gaseous electronic conference; Pittsburgh, PA, USA; 9 - 12 Oct 1979; CONF-791035--1; Available from NTIS., PC A02/MF A01
Record Type
Report
Literature Type
Conference; Numerical Data
Report Number
Country of publication
ATOM-MOLECULE COLLISIONS, CARBON MONOXIDE, CROSS SECTIONS, DEUTERIUM, ENERGY TRANSFER, EXPERIMENTAL DATA, FLUORESCENCE, GRAPHS, HELIUM, HYDROGEN, HYDROGEN DEUTERIDE, ISOLATED VALUES, LASERS, LIMITING VALUES, METASTABLE STATES, METHANE, NITROGEN, RELAXATION, RESONANCE, ROTATIONAL STATES, URANIUM, VIBRATIONAL STATES
ACTINIDES, ALKANES, AMPLIFIERS, ATOM COLLISIONS, CARBON COMPOUNDS, CARBON OXIDES, CHALCOGENIDES, COLLISIONS, DATA, DATA FORMS, DEUTERIUM COMPOUNDS, ELEMENTS, ENERGY LEVELS, EXCITED STATES, HYDROCARBONS, HYDROGEN COMPOUNDS, HYDROGEN ISOTOPES, INFORMATION, ISOTOPES, LIGHT NUCLEI, LUMINESCENCE, METALS, MOLECULE COLLISIONS, NONMETALS, NUCLEI, NUMERICAL DATA, ODD-ODD NUCLEI, ORGANIC COMPOUNDS, OXIDES, OXYGEN COMPOUNDS, RARE GASES, STABLE ISOTOPES
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