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| Description
| - Rekombinace spektroskopicky identifikovaného iontu H3+ (v=0) s termálními elektrony byla studována v pulsní afterglow plasmě s použitím infračerveného cavity-ringdown spektrometru (CRDS). Časově rozlišená měření byla prováděna v plynném heliu s přídavky malého množství argonu a vodíku. Teplota plynu byla ~ 330K, a celkový tlak byl v rozmezí od 8 do 16 mbar. Signál CRDS na přechodu .nu.2=3<--0 iontu H3+ (.lambda. = 1.4um) byl monitorován v závislosti na čase v průběhu afterglow fáze výboje. Jelikož absorpční průřez je známý, úbytek koncetrace částic a tedy rekombinační koeficient může být určen. Pro koncetraci vodíku v rozmezí 1x1014 až 8x1014 cm-3 má změřený rekombinační koeficient hodnotu .alpha.=(1.6+/-0.6)x10-7cm3s-1. (cs)
- The recombination of spectroscopically identified H-3(+)(upsilon = 0) ions with thermal electrons has been studied in pulsed afterglow plasma by means of an infrared cavity ring-down spectrometer (CRDS). Time-resolved measurements of the H-3(+)(upsilon = 0) density were carried out in helium buffer gas with small admixtures of argon and hydrogen. The gas temperature was similar to330K, and the total pressure ranged from 8 to 16 mbar. The CRDS signal on the upsilon(2) = 3 <-- 0 transition of H-3(+) (lambda = 1.4 mum) was monitored as a function of time during the discharge aftergalow. Since the absorption cross-section is known, the decay of the H-3(+)(upsilon = 0) number density and hence, the recombination coefficient can be deduced. At hydrogen number densities [H-2] = 1 x 10(14) to 8 x 10(14) cm(-3) the measured recombination rate coefficient was found to be alpha = (1.6 +/- 0.6) x 10(-7) cm(3) s(-1).
- The recombination of spectroscopically identified H-3(+)(upsilon = 0) ions with thermal electrons has been studied in pulsed afterglow plasma by means of an infrared cavity ring-down spectrometer (CRDS). Time-resolved measurements of the H-3(+)(upsilon = 0) density were carried out in helium buffer gas with small admixtures of argon and hydrogen. The gas temperature was similar to330K, and the total pressure ranged from 8 to 16 mbar. The CRDS signal on the upsilon(2) = 3 <-- 0 transition of H-3(+) (lambda = 1.4 mum) was monitored as a function of time during the discharge aftergalow. Since the absorption cross-section is known, the decay of the H-3(+)(upsilon = 0) number density and hence, the recombination coefficient can be deduced. At hydrogen number densities [H-2] = 1 x 10(14) to 8 x 10(14) cm(-3) the measured recombination rate coefficient was found to be alpha = (1.6 +/- 0.6) x 10(-7) cm(3) s(-1). (en)
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| Title
| - Afterglow Studies of H3+(v=0) Recombination using Time Resolved cw.Diode Laser Cavity Ring-Down Spectroscopy
- Afterglow studie rekombinace iontu H3+ (v=0) s použitím časově rozlišené cavity-ringdown spektroskopie (cs)
- Afterglow Studies of H3+(v=0) Recombination using Time Resolved cw.Diode Laser Cavity Ring-Down Spectroscopy (en)
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| skos:prefLabel
| - Afterglow Studies of H3+(v=0) Recombination using Time Resolved cw.Diode Laser Cavity Ring-Down Spectroscopy
- Afterglow studie rekombinace iontu H3+ (v=0) s použitím časově rozlišené cavity-ringdown spektroskopie (cs)
- Afterglow Studies of H3+(v=0) Recombination using Time Resolved cw.Diode Laser Cavity Ring-Down Spectroscopy (en)
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| skos:notation
| - RIV/61388955:_____/04:00101085!RIV/2005/AV0/A54005/N
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GA202/02/0948), P(GA205/02/0610), Z(AV0Z4040901), Z(MSM 113200002)
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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/61388955:_____/04:00101085
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - recombination; H-3(+) ions; cavity ring-down (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - International Journal of Mass Spectrometry
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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
| - Johnsen, R.
- Votava, Ondřej
- Poterya, V.
- Pysanenko, A.
- Bánó, G.
- Glosík, J.
- Hlavenka, P.
- Macko, P.
- Plašil, R.
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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