Ion Bernstein instability as a possible source for oxygen ion cyclotron harmonic waves
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja023979
Abstract: This paper demonstrates that an ion Bernstein instability can be a possible source for recently reported electromagnetic waves with frequencies at or near the singly-ionized oxygen ion cyclotron frequency, ΩO+, and its harmonics. The particle… read more here.
Keywords: cyclotron; oxygen; ion bernstein; bernstein instability ... See more keywords
Statistical Study of Low-Frequency Electromagnetic Cyclotron Waves in the Solar Wind at 1 AU: LOW-FREQUENCY ECWS IN THE SOLAR WIND
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja024979
Abstract: Electromagnetic cyclotron waves (ECWs) near the proton cyclotron frequency are common wave activities in the solar wind and have attracted much attention in recent years. This paper investigates 82,809 ECWs based on magnetic field data… read more here.
Keywords: cyclotron; frequency; ecws; low frequency ... See more keywords
Cyclotron Production of 99Mo Radionuclide by Bombarding Zirconium Targets with Alpha Particle Beams
Sign Up to like & getrecommendations! Published in 2019 at "Russian Physics Journal"
DOI: 10.1007/s11182-019-01753-5
Abstract: A possibility of manufacturing 99Mo via a nuclear reaction with 96Zr (α, n) in the R-7 cyclotron of the Tomsk polytechnic university is investigated. The beam energy of α-particles is 27 MeV for the beam… read more here.
Keywords: cyclotron; 99mo radionuclide; production 99mo; radionuclide bombarding ... See more keywords
Discovery of proton hill in the phase space during interactions between ions and electromagnetic ion cyclotron waves
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-92541-0
Abstract: A study using Arase data gives the first observational evidence that the frequency drift of electromagnetic ion cyclotron (EMIC) waves is caused by cyclotron trapping. EMIC emissions play an important role in planetary magnetospheres, causing… read more here.
Keywords: cyclotron; proton hill; ion cyclotron; hill ... See more keywords
Wave-particle energy transfer directly observed in an ion cyclotron wave
Sign Up to like & getrecommendations! Published in 2020 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202039296
Abstract: Context. The first studies with Parker Solar Probe (PSP) data have made significant progress toward the understanding of the fundamental properties of ion cyclotron waves in the inner heliosphere. The survey mode particle measurements of… read more here.
Keywords: cyclotron; ion cyclotron; energy; cyclotron wave ... See more keywords
Emission in the ion cyclotron range of frequencies (ICE) on NSTX and NSTX-U
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5081047
Abstract: We report here on observations of magnetic fluctuations in the ion-cyclotron frequency range on NSTX and NSTX-U. In many respects, the fluctuations appear similar to the ion cyclotron emission (ICE) seen in conventional tokamaks. However,… read more here.
Keywords: cyclotron; ion cyclotron; frequency; ice ... See more keywords
Automodulation instability in gyrotrons operating at the second cyclotron harmonic
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Plasmas"
DOI: 10.1063/5.0046914
Abstract: Interest in gyrotron operation at cyclotron harmonics is motivated by the users' desire to reduce the magnetic fields required for operation at a given frequency. However, operation at harmonics is more complicated than at the… read more here.
Keywords: cyclotron; automodulation instability; operation; gyrotrons operating ... See more keywords
Critical comparison of collisionless fluid models: Nonlinear simulations of parallel firehose instability
Sign Up to like & getrecommendations! Published in 2022 at "Physics of Plasmas"
DOI: 10.1063/5.0077064
Abstract: Two different fluid models for collisionless plasmas are compared. One is based on the classical Chew-Goldberger-Low (CGL) model that includes a finite Larmor radius (FLR) correction and the Landau closure for the longitudinal mode. Another… read more here.
Keywords: fluid; collisionless; parallel firehose; cyclotron ... See more keywords
Maximum attainable energy in a fixed-frequency cyclotron
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Physics"
DOI: 10.1088/1361-6404/ab4685
Abstract: We consider a problem of finding the maximum attainable energy at a cyclotron as an exercise in the introductory relativity course and comment on some subtle points of the solution. read more here.
Keywords: cyclotron; attainable energy; fixed frequency; maximum attainable ... See more keywords
Electron-cyclotron-resonance heating in Wendelstein 7-X: A versatile heating and current-drive method and a tool for in-depth physics studies
Sign Up to like & getrecommendations! Published in 2018 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/aaeab2
Abstract: For stellarators, which need no or only small amounts of current drive, electron-cyclotron-resonance heating (ECRH) is a promising heating method even for the envisaged application in a fusion power plant. Wendelstein 7-X (W7-X) is equipped… read more here.
Keywords: cyclotron; electron cyclotron; current drive; physics ... See more keywords
Using cyclotron radiation emission for ultra-high resolution x-ray spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abec0e
Abstract: Cyclotron radiation emission spectroscopy (CRES) is an approach to measuring the energy of an electron trapped in an externally applied magnetic field. The bare electron can come from different interactions, including photoelectric absorption, Compton scatters,… read more here.
Keywords: cyclotron; ray spectroscopy; energy; cyclotron radiation ... See more keywords