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In an animated crossed -beams experiment the following absolute cross sections q, q+ n for single ( n = 1), double ( n = 2 ), triple ( n = 3) and quadruple ( n = 4) ionization have been measured ...
Wavepacket continuum-discretisation approach is used to calculate excitation, ionization and electron -capture (ec) cross sections for proton collisions with n = 2 states of atomic hydrogen, where n ...
shift, altering the diagnostics of the plasma. To accurately model the effect of ionization from metastable levels, new electron impact ionization cross - sections have been calculated for oxygen, both ...
the ground levels of O i and O ii. They do not give transitions involving the metastable levels, but Kimura et al. (1997) present cross - sections for ionization from the |$2s^ 2 \, 2p^4\, ^1D$| metastable term ...
quantity for cross - sections , for n = 40 l = 36 → 35. The maximum impact parameter corresponds to a Debye radius (i.e. Rc) for T/Ne = 10− 2 K cm3. We see that the SC probabilities fall abruptly to zero ...
. All the photoionization cross - section calculations were performed in LS coupling. We note that the ion beam in the SOLEIL experiments contains both ground states and metastable states. Photoionization ...
as A and B in this work, shown in Fig. 2 (b). The ZAMS spectral type assuming a single ionizing source is O7.5 (Paper II). Using equation (1), we estimated the average electron density from the radio continuum ...
Lat. Long. ID Colour Direction h m h m N /S deg min E/W deg min MLAT J1–1 BW-R/W n 23 30 24 55 N 41 58 E 140 7 31.8 J1– 2 R n 25 0 25 30 N 37 55 E 139 2 27.7 J1–3 R n 25 0 28 0 N 38 55 E 139 55 28.7 J1–4 ...
spectrometer. Fig. 1 Open in new tabDownload slide Schematic diagram of the dual-source time-of-flight mass spectrometer. A cutaway cross section is shown for the three differentially pumped vacuum stages ...
or a semiconductor after the absorption of energy from ionising radiation(67). Ionising radiation transfers energy to the electrons of the solid, moving them to a metastable state. When the electrons return ...
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