About: Experimental study of para- and ortho-H3+ recombination

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/1742-6596/300/1/012023
Description	Recombination of H3+ with electrons is a key process for many plasmatic environments. Recent experiments on storage ring devices used ion sources producing H3+ with enhanced populations of H3+ ions in the para nuclear spin configuration to shed light on the theoretically predicted faster recombination of para states. Although increased recombination rates were observed, no in situ characterization of recombining ions was performed. We present a state selective recombination study of para- and ortho-H3+ ions with electrons at 77 K in afterglow plasma in a He/Ar/H2 gas-mixture. Both spin configurations of H3+ have been observed in situ with a near infrared cavity ring down spectrometer (NIR-CRDS) using the two lowest energy levels of H3+. Using hydrogen with an enhanced population of H2 molecules in para states allowed us to influence the [para-H3+]/[ortho-H3+] ratio in the discharge and in the afterglow. We observed an increase in the measured effective recombination rate coefficients with the increase of the fraction of para-H3+. Recombination of H3+ with electrons is a key process for many plasmatic environments. Recent experiments on storage ring devices used ion sources producing H3+ with enhanced populations of H3+ ions in the para nuclear spin configuration to shed light on the theoretically predicted faster recombination of para states. Although increased recombination rates were observed, no in situ characterization of recombining ions was performed. We present a state selective recombination study of para- and ortho-H3+ ions with electrons at 77 K in afterglow plasma in a He/Ar/H2 gas-mixture. Both spin configurations of H3+ have been observed in situ with a near infrared cavity ring down spectrometer (NIR-CRDS) using the two lowest energy levels of H3+. Using hydrogen with an enhanced population of H2 molecules in para states allowed us to influence the [para-H3+]/[ortho-H3+] ratio in the discharge and in the afterglow. We observed an increase in the measured effective recombination rate coefficients with the increase of the fraction of para-H3+. (en)
Title	Experimental study of para- and ortho-H3+ recombination Experimental study of para- and ortho-H3+ recombination (en)
skos:prefLabel	Experimental study of para- and ortho-H3+ recombination Experimental study of para- and ortho-H3+ recombination (en)
skos:notation	RIV/00216208:11320/11:10108856!RIV12-GA0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA202/07/0495), P(GA202/09/0642), P(GA205/09/1183), P(GD202/08/H057), P(OC10046), S, Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Plašil, Radek Dohnal, Petr Kotrík, Tomáš Glosík, Juraj Varju, Jozef Hejduk, Michal
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	198820
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10108856
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	and vibration-rotation constants; vibration; Rotation; attachment; Recombination; High-frequency and RF discharges (en)
http://linked.open.../riv/klicoveSlovo	High-frequency and RF discharges Recombination Rotation and vibration-rotation constants attachment vibration
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[747714CB71CF]
http://linked.open...i/riv/nazevZdroje	Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Interaction of cold electrons with molecules and ions: Cryogenic magnetic electron trap Recombination in cryogenic plasma Laboratory astrophysics: Formation and recombination of astrophysically relevant ions. Modern trends in plasma physics Astrochemistry
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	300
http://linked.open...iv/tvurceVysledku	Dohnal, Petr Glosík, Juraj Kotrík, Tomáš Plašil, Radek Hejduk, Michal Varju, Jozef
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	1742-6588
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1742-6596/300/1/012023
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Experimental study of para- and ortho-H3+ recombination Experimental study of para- and ortho-H3+ recombination

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