Výsledky vyhledávání - "Vida Žigman"

Lower-ionosphere electron density and effective recombination coefficients from multi-instrument space observations and ground VLF measurements during solar flares

Autor: Vida Žigman, Marie Dominique, Davorka Grubor, Craig J. Rodger, Mark A. Clilverd

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 247:106074

A new model to predict the electron density and effective recombination coefficient of the lower ionosphere under solar flare conditions is presented. This model relies on space-borne solar irradiance measurements in coincidence with ground recorded

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9e44c1a78350071715551dd957c1b7a
https://doi.org/10.1016/j.jastp.2023.106074

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Response of the Earth’s lower ionosphere to the Ground Level Enhancement event of December 13, 2006

Autor: Vida Žigman, Davorka Grubor, Karel Kudela

Publikováno v: Advances in Space Research. 53:763-775

In this study we analyze the Ground Level Enhancement Event No 70 observed on December 13, 2006, by correlating the observations from two research topics: Cosmic rays and Very Low Frequency (VLF www.swpc.noaa.gov ) and Pamela ( www.pamela.roma2infn.i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b95cabf2ee06bcfb34e7454b39c798ec
https://doi.org/10.1016/j.asr.2013.12.026

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Non-equilibrium kinetic versus Monte Carlo modelling of hydrogen–surface interactions

Autor: Vida Žigman

Publikováno v: Nuclear Engineering and Design. 241:1272-1276

The study presents a contribution to the modelling of processes with H2 molecules in both ground and vibrationally excited state and with H atoms. Attention is focused on the surface processes, which besides volume collisions, can influence significa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9e8000ebe91c5e4dacd71c49e0f1436
https://doi.org/10.1016/j.nucengdes.2010.05.062

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Classification of X-ray solar flares regarding their effects on the lower ionosphere electron density profile

Autor: D. M. Šulić, Davorka Grubor, Vida Žigman

Publikováno v: Annales Geophysicae, Vol 26, Iss 7, Pp 1731-1740 (2008)
Annales Geophysicae, Vol 26, Pp 1731-1740 (2008)

The classification of X-ray solar flares is performed regarding their effects on the Very Low Frequency (VLF) wave propagation along the Earth-ionosphere waveguide. The changes in propagation are detected from an observed VLF signal phase and amplitu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79e4e4d2034913204bc5ec97858fc113
http://www.ann-geophys.net/26/1731/2008/angeo-26-1731-2008.pdf

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D-region electron density evaluated from VLF amplitude time delay during X-ray solar flares

Autor: Davorka Grubor, D. Šulić, Vida Žigman

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 69:775-792

VLF amplitude enhancements of the NAA/24.0 kHz signal (Maine, USA), registered by the Belgrade AbsPAL facility during solar flares, have been related to solar X-ray fluxes measured by the GOES-12 satellite. The observed regular appearance of the VLF

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93efc9bb09ce9a3311e884e484218876
https://doi.org/10.1016/j.jastp.2007.01.012

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Exploitation, dissemination, education and outreach in the frame of the COST action ES0803 'developing space weather products and services in Europe'

Autor: Petra Vanlommel, Jean Lilensten, S. Calders, Mauro Messerotti, Elke D'Huys, Vida Žigman, Katrien Bonte

Publikováno v: Journal of Space Weather and Space Climate
Journal of Space Weather and Space Climate, EDP sciences, 2014, 4, pp.A05. ⟨10.1051/swsc/2014002⟩
Journal of Space Weather and Space Climate, Vol 4, p A05 (2014)

International audience; COST (European Cooperation in Science and Technology) is one of the longest-running European frameworks supporting cooperation among scientists and researchers across Europe. Its action ES0803 ''Developing Space Weather Produc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::287c2897edbd6a04d5895ae0b676a77a
https://hal-insu.archives-ouvertes.fr/insu-03113774/document

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Influence of the Ramsauer–Townsend minimum on the electron energy distribution function and electron transport in xenon

Autor: Vida Žigman

Publikováno v: Journal of Plasma Physics. 72:525

The electron distribution function in xenon in the low-energy region comprising the Ramsauer-Townsend minimum was obtained by solving the Boltzmann equation in the hydrodynamic approximation, for electric field to gas density ratios E/N in the range

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88856811b632f2c4dc2b045ec27e9225
https://doi.org/10.1017/s0022377805004162

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Solvent effect on conformational equilibria. Solvation energy as a function of solute position and orientation within a cavity in a dielectric medium

Autor: Ljiljana Dosen-Micovic, Vida Žigman

Publikováno v: Journal of the Chemical Society, Perkin Transactions 2

The reaction-field theory based on dipole and quadrupole interactions has been generalized, yielding an expression for the energy as a function of point dipole and quadrupole position and orientation within a spherical cavity in a dielectric medium.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0998ddb2d2c0119c6a9572d0091c71bf
https://cer.ihtm.bg.ac.rs/handle/123456789/4502

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