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Wyszukujesz frazę "Özer, M." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Double Differential Cross-Section Measurements for Electron Impact Ionization of Helium
Autorzy:
Özer, Z.
Olgaç, F.
Ulu, M.
Doğan, M.
Powiązania:
https://bibliotekanauki.pl/articles/1399891.pdf
Data publikacji:
2013-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
34.80.Dp
Opis:
The single ionizing collision with an incident electron and atom/molecules ends up two kinds of outgoing electrons called scattering and ejected electrons. As a feature of electron impact ionization these two electrons are indistinguishable. Double differential cross-sections can be obtained by the measurements of energy and angular distributions of one of the two outgoing electrons by a detector. In this perspective, we used He target that is reasonable to expect to understand ionization mechanisms of atomic systems. We have measured double differential cross-sections for asymmetric geometry for different kinematical situations. The experiments are carried out on a newly developed electron spectrometer constructed in Afyonkarahisar, Turkey.
Źródło:
Acta Physica Polonica A; 2013, 123, 2; 361-362
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Observing Quantum Level Interference Effects with Electron Spectrometer
Autorzy:
Özer, Z.
Ulu, M.
Aktaş, B.
Doğan, M.
Powiązania:
https://bibliotekanauki.pl/articles/1399893.pdf
Data publikacji:
2013-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
34.80.Dp
34.50.Gb
Opis:
The existence of Young-type interference patterns has been recently searched in triple differential cross-sections for single ionization of $H_2$ molecules by electron impact, and theoretically supported by calculations obtained by different models. The appearance of interference effects arising from the two-centre geometry of diatomic molecule. These effects seen in triple differential cross-sections are described by interference factor in analogy with light waves. In this work, we discuss about that the interference factor for molecular structure of $H_2$ may reproduce Young-type interference patterns depending on scattering angle, initial and ejected electron energies in triple differential cross-sections. Differences are expected in the triple differential cross-sections spectra of ejected electrons according to kinematical conditions imposed by scattering angle and electron energy.
Źródło:
Acta Physica Polonica A; 2013, 123, 2; 363-364
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Double Differential Cross-Section Measurements for Methane Molecule at 350 eV
Autorzy:
Yavuz, M.
Isik, N.
Ozer, Z.
Ulu, M.
Doğan, M.
Powiązania:
https://bibliotekanauki.pl/articles/1194671.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
34.80.Gs
Opis:
Double differential cross-sections have been measured after ionizing electron collisions with methane at primary energy of 350 eV using a conventional electron spectrometer. An electrostatic analyzer was used to measure angular distributions of secondary electrons with energies between 25 eV and 300 eV. Angles of emission were 25° to 130°. It was found that the outgoing electrons belong to one of the two energetically separated groups, either the fast electrons which are scattered mainly in forward direction or the slow electrons which are distributed isotropically into all angles. For higher ejection energies the maxima shifted towards smaller angles as expected from binary type collision.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 442-444
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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