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| Description
| - Stationary afterglow measurements in conjunction with near-infrared absorption spectroscopy show that the recombination of the H-3(+) ion with electrons in ionized gas mixtures of He, Ar, and H-2 at 300 K is strongly enhanced by neutral helium and by molecular hydrogen. The H-2-assisted ternary recombination coefficient K-H2 = (8.7 +/- 1.5) x 10(-23) cm(6)s(-1) substantially exceeds the value measured for H-3(+) in ambient helium (K-He similar to 10(-25) cm(6) s(-1)) or predicted by the generally accepted classical theory of Bates and Khare (similar to 10(-27) cm(6) s(-1)) for atomic ions. Because of the extremely large value of K-H2 in a hydrogen plasma the ternary recombination dominates over binary recombination already at pressures above 3 Pa. This can have consequences in plasma physics, astrophysics, recombination pumped lasers, plasma spectroscopy, plasmatic technologies, etc. The ternary processes provide a plausible explanation for the discrepancies between many earlier experimental results on H-3(+) recombination. The observation that the ternary process saturates at high He and H-2 densities suggests that recombination proceeds by a two-step process: formation of a long-lived complex [with a rate coefficient alpha(F) = (1.5 +/- 0.1) x 10(-7) cm(3) s(-1)] followed by collisional stabilization.
- Stationary afterglow measurements in conjunction with near-infrared absorption spectroscopy show that the recombination of the H-3(+) ion with electrons in ionized gas mixtures of He, Ar, and H-2 at 300 K is strongly enhanced by neutral helium and by molecular hydrogen. The H-2-assisted ternary recombination coefficient K-H2 = (8.7 +/- 1.5) x 10(-23) cm(6)s(-1) substantially exceeds the value measured for H-3(+) in ambient helium (K-He similar to 10(-25) cm(6) s(-1)) or predicted by the generally accepted classical theory of Bates and Khare (similar to 10(-27) cm(6) s(-1)) for atomic ions. Because of the extremely large value of K-H2 in a hydrogen plasma the ternary recombination dominates over binary recombination already at pressures above 3 Pa. This can have consequences in plasma physics, astrophysics, recombination pumped lasers, plasma spectroscopy, plasmatic technologies, etc. The ternary processes provide a plausible explanation for the discrepancies between many earlier experimental results on H-3(+) recombination. The observation that the ternary process saturates at high He and H-2 densities suggests that recombination proceeds by a two-step process: formation of a long-lived complex [with a rate coefficient alpha(F) = (1.5 +/- 0.1) x 10(-7) cm(3) s(-1)] followed by collisional stabilization. (en)
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| Title
| - H-2-assisted ternary recombination of H-3(+) with electrons at 300 K
- H-2-assisted ternary recombination of H-3(+) with electrons at 300 K (en)
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| skos:prefLabel
| - H-2-assisted ternary recombination of H-3(+) with electrons at 300 K
- H-2-assisted ternary recombination of H-3(+) with electrons at 300 K (en)
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| skos:notation
| - RIV/00216208:11320/14:10289675!RIV15-MSM-11320___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - I, P(GAP209/12/0233), P(GP14-14649P), S
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11320/14:10289675
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - molecules; dependence; gas; h-3+; afterglow; temperature; spectroscopy; plasma; d-3(+) ions; dissociative recombination (en)
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| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Physical Review A - Atomic Molecular and Optical Physics
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Dohnal, Petr
- Glosík, Juraj
- Plašil, Radek
- Rubovič, Peter
- Hejduk, Michal
- Johnsen, Rainer
- Kálosi, Ábel
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| http://linked.open...ain/vavai/riv/wos
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
| - 10.1103/PhysRevA.90.042708
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| http://localhost/t...ganizacniJednotka
| |
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