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020 ▼a 9781085612135
035 ▼a (MiAaPQ)AAI13900224
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 247004
0820 ▼a 530
1001 ▼a Horaites, Konstantinos.
24510 ▼a Theory and Observations of Runaway Electrons in the Solar Wind.
260 ▼a [S.l.]: ▼b The University of Wisconsin - Madison., ▼c 2019.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2019.
300 ▼a 116 p.
500 ▼a Source: Dissertations Abstracts International, Volume: 81-03, Section: B.
500 ▼a Advisor: Boldyrev, Stanislav.
5021 ▼a Thesis (Ph.D.)--The University of Wisconsin - Madison, 2019.
506 ▼a This item must not be sold to any third party vendors.
520 ▼a In this thesis, I develop a kinetic theory that describes the population of thermal runaway electrons observed ubiquitously in the solar wind, which is commonly known as the "strahl". I solve the drift kinetic equation in the high-energy, magnetic field-aligned regime that is relevant to the strahl, to find the form of this electron population's gyrotropic distribution function. I then compare the model with direct measurements of the distribution function in the fast solar wind, sampled in the ecliptic at 1 AU by the Wind satellite's SWE strahl detector. This instrument's high angular resolution allowed it to characterize the angular width of the narrow strahl distribution. I demonstrate that the model accurately predicts the angular width of the strahl, in particular its dependence on the particle energy and background density. In this model, the angular diffusion experienced by the strahl is attributed entirely to Coulomb collisions, neglecting other diffusive mechanisms such as wave-particle interactions that may also impact the strahl distribution. Finally, I assess the kinetic stability of the model
590 ▼a School code: 0262.
650 4 ▼a Plasma physics.
650 4 ▼a Physics.
690 ▼a 0759
690 ▼a 0605
71020 ▼a The University of Wisconsin - Madison. ▼b Physics.
7730 ▼t Dissertations Abstracts International ▼g 81-03B.
773 ▼t Dissertation Abstract International
790 ▼a 0262
791 ▼a Ph.D.
792 ▼a 2019
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15492160 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 202002 ▼f 2020
990 ▼a ***1008102
991 ▼a E-BOOK