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Impact of Atomic Collision Processes on Astrophysical Plasma Spectra

Investigating the influence of atomic collision processes on the spectra in astrophysical and geo-cosmic plasmas. Research directions include Stark broadening parameter determination on white dwarfs' spectra, studying VLF wave propagation in Earth-ionosphere waveguides, exploring nonelastic processes on the kinetics of weakly ionized plasmas, and analyzing electron beam interactions with interplanetary plasmas. Collaboration on various projects. Results entered in FP7 project VAMDC 239108 and STARK-B database.

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Impact of Atomic Collision Processes on Astrophysical Plasma Spectra

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  1. Projekat ON 176002Uticajsudaranaspektreastrofizičkeplazme

  2. Sažetak • Proučavanje uticaj atomskih sudarnih procesa na spektre u astrofizičkim, odnosno geo-kosmičkim plazmama, a pravci istraživanja bili su: 1. Određivanje parametara Štarkovog širenja i istraživanje njegovog uticaja na spektre belih patuljaka, posebno novootkrivene klase sa ugljeničnom atmosferom, i zvezda A i V tipa. Rezultati su ušli u FP7 projekat VAMDC 239108 i bazu podataka STARK-B. 2. Istraživanja prostiranja VLF talasa u talasovodu Zemlja-jonosfera kontinuiranim merenjem amplitude i faze u opsegu 10-30kHz pomoću AbsPAL i AWESOME sistema, čime se pratio uticaj sunčeve aktivnosti i atmosferskih električnih pražnjenja na ovaj talasovod. To je deo COST ES0803. 3. Proučavao se uticaj neelastičnih procesa u atom-Ridbergov atom sudarima na kinetiku slabojonizovane plazme Sunca i belih patuljaka. 4. Istraživla se interakcija između visokoenergetskih snopova elektrona sa Sunca sa međuplanetarnom plazmom kroz koJU se prostiru po linijama sila Sunčevog magnetnog polja, na osnovu posmatranja sa satelita "Wmd" i "STEREO".

  3. Saradnici na projektu

  4. Rezultati

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