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pro vyhledávání: '"M. Hejduk"'
[Image: see text] In Zeeman deceleration, only a small subset of low-field-seeking particles in the incoming beam possess initial velocities and positions that place them within the phase-space acceptance of the device. In order to maximize the numbe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f82e08b8f831c8435088b633212f47f8
https://ora.ox.ac.uk/objects/uuid:eded7d0d-78af-4f11-ac67-23488674425f
https://ora.ox.ac.uk/objects/uuid:eded7d0d-78af-4f11-ac67-23488674425f
Autor:
Serhiy Rednyk, Radek Plašil, Dmytro Shapko, Miroslava Kassayová, Ábel Kálosi, Štěpán Roučka, M. Hejduk, Petr Dohnal, Juraj Glosík
We present studies on the thermalisation of H3+ ions in a cold He/Ar/H2 plasma at temperatures 30–70 K. We show that we are able to generate a rotationally thermalised H3+ ensemble with a population of rotational and nuclear spin states correspondi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19b03d1e9892dd1f9161e07998e16cd7
https://doi.org/10.1039/c8fd00214b
https://doi.org/10.1039/c8fd00214b
Publikováno v:
The Review of scientific instruments. 90(3)
A Halbach array composed of 12 permanent magnets in a hexapole configuration is employed to deflect hydrogen atoms as they exit a Zeeman decelerator. The ability to preferentially manipulate H atoms is very useful, as there are currently very few tec
Akademický článek
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Publikováno v:
JOURNAL OF CHEMICAL PHYSICS
Radicals are prevalent in gas-phase environments such as the atmosphere, combustion systems, and the interstellar medium. To understand the properties of the processes occurring in these environments, it is helpful to study radical reaction systems i
Autor:
Radek Plašil, Juraj Glosík, M. Hejduk, Dieter Gerlich, Illia Zymak, Pavol Jusko, Dmytro Mulin
Publikováno v:
The Journal of Physical Chemistry A. 117:10068-10075
Stabilization of H3(+) collision complexes has been studied at nominal temperatures between 11 and 33 K using a 22-pole radio frequency (rf) ion trap. Apparent binary rate coefficients, k(*) = kr + k3[H2], have been measured for para- and normal-hydr
Autor:
Štěpán Roučka, M. Hejduk, Peter Rubovič, Juraj Glosík, Petr Dohnal, Radek Plašil, T. Kotrík, Rainer Johnsen, Jozef Varju
Publikováno v:
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 370:5101-5108
Results of an experimental study of binary recombination of para- and ortho- ions with electrons are presented. Near-infrared cavity-ring-down absorption spectroscopy was used to probe the lowest rotational states of ions in the temperature range of
Autor:
Viatcheslav Kokoouline, T. Kotrík, Ihor Korolov, Radek Plašil, Juraj Glosík, M. Hejduk, Jozef Varju, Petr Dohnal, Štěpán Roučka
Publikováno v:
Molecular Physics. 108:2253-2264
Measurements of recombination rate coefficients of binary and ternary recombination of and ions with electrons in a low temperature plasma are described. The experiments were carried out in the afterglow plasma in helium with a small admixture of Ar
Autor:
Rainer Johnsen, Radek Plašil, Petr Dohnal, Juraj Glosík, Peter Rubovič, Ábel Kálosi, M. Hejduk
Publikováno v:
The Journal of chemical physics. 143(4)
Detailed measurements employing a combination of a cryogenic flowing afterglow with Langmuir probe (Cryo-FALP II) and a stationary afterglow with near-infrared absorption spectroscopy (SA-CRDS) show that binary electron recombination of para-H3(+) an