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Search results for: ELECTRON EXCITATION TEMPERATURE
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Electron collisions with cyanoacetylene HC3N : Vibrational excitation and dissociative electron attachment
PublicationWe experimentally probe electron collisions with HC3N in the energy range from 0 to 10 eV with the focus on vibrational excitation and dissociative electron attachment. The vibrational excitation cross sections show a number of resonances which are mode specific: the two dominant π∗ resonances are visible in the excitation of all the vibrational modes; however, broad σ ∗ resonances are visible only in certain bond-stretching vibrational...
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Dissociative excitation of carbon disulfide by electron impact.
PublicationZbadano wzbudzenie dysocjacyjne cząsteczek dwusiarczku węgla w zderzeniach z elektronami prowadzące do utworzenia rodników CS w stanie wzbudzonym A1Pi.Wyznaczono energię progu wzbudzenia dysocjacyjnego oraz obsadzenie poziomów oscylacyjnych v=0 i 1 rodnika CS.
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Rovibrational excitation of rare-gas dimers by electron impact
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Vibrational excitation of tetrahydrofuran by electron impact in the low energy range
PublicationWzbudzenie oscylacyjne cząsteczki tetrahydrofuranu w zderzeniach z elektronami przeprowadzone było w zakresie energii 5-14 eV w szerokim kącie rozproszenia (20°-180°). Pomiary funkcji wzbudzenia oscylacyjnego modów rozciągających w grupie CH2 (wiązania C-H) wykazują obecność struktur dla energii 6.0, 7.9 i 10.3 eV, którym można przypisać formowanie się stanów rezonansowych jonów ujemnych cząsteczki. W pracy wyznaczono także różniczkowy...
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A study of electron impact excitation of molecular oxygen at a scattering angle of 180 st.
PublicationZbadano wzbudzenie tlenu cząsteczkowego w zderzeniu z elektronem dla rozproszenia do tyłu, pod kątem 180 st. Do pomiarów wykorzystano nowe źródło lokalnego pola magnetycznego o geometrii stożkowej.
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Magnetosonic Excitation of the Entropy Perturbations in a Plasma with Thermal Conduction Depending on Temperature
PublicationNonlinear excitation of the entropy perturbations by magnetosonic waves in a uniform and infinite plasma model is considered. The wave vector of slow or fast mode forms an arbitrary angle (0 B B ) with the equilibrium straight magnetic field, and all perturbations are functions of the time and longitudinal coordinate. Thermal conduction is the only factor which destroys isentropicity of wave perturbations and causes the nonlinear...
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Temperature Dependence of the Dissociative Electron Attachment to 2-Thiothymine
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Low-energy electron scattering from molecular hydrogen: Excitation of the X1Σg+ to b3Σu+ transition
PublicationWe present time-of-flight differential cross-section measurements and convergent close-coupling calculations of differential cross sections for the electron-impact excitation of the X 1 g + → b 3 u + transition in molecular hydrogen. A part of this work was recently published [M. Zawadzki et al., Phys. Rev. A 97, 050702(R) (2018)]. In this work, agreement between theory and experiment is excellent overall, and marks a transition...
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Beam-based scenario for Am242m isomer depletion via nuclear excitation by electron capture
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Novel Approach to Mo93m Isomer Depletion: Nuclear Excitation by Electron Capture in Resonant Transfer Process
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