Neutral particle trajectory in the Kerr field
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Astrophysics and Astronomy"
DOI: 10.1007/s12036-019-9611-4
Abstract: In this paper, the neutral particle trajectory around a rotating black hole in the four-dimensional Kerr space–time is studied. The equation of motion is derived by using the Kerr metric within the slowly rotating and… read more here.
Keywords: kerr field; particle trajectory; particle; neutral particle ... See more keywords
Control system of neutral particle analyzer in energy sweeping mode
Sign Up to like & getrecommendations! Published in 2020 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.111412
Abstract: Abstract For analyzing energy distribution of charge exchange atoms the ion energy sweeping technique is suggested as an alternative to the conventional multichannel Neutral Particle Analyzer (NPA) diagnostics. New electronics for application of the sweeping… read more here.
Keywords: voltage; energy; control; magnet ... See more keywords
Characterization of neutral particle fluxes from ICWC and ECWC plasmas in the TOMAS facility
Sign Up to like & getrecommendations! Published in 2021 at "Physica Scripta"
DOI: 10.1088/1402-4896/ac2494
Abstract: Electron- (ECWC) and ion- (ICWC) cyclotron wall conditioning are essential means for controlled fusion to modify the surface state of plasma-facing components in order to reduce impurity generation and fuel accumulation in the wall. Development… read more here.
Keywords: particle fluxes; characterization neutral; energy; facility ... See more keywords
Feasibility of neutral particle analysis for fast-ion measurements at W7-X
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/17/01/p01034
Abstract: A preliminary study investigating capabilities of a planned but not yet installed neutral particle analyzer (NPA) [1,2] system combined with a diagnostic neutral beam at Wendelstein 7-X (W7-X) [3] is presented. Additionally two NPAs viewing… read more here.
Keywords: neutral particle; neutral beam; fast ion; ion ... See more keywords
Development of a Diamond Detector for the ITER Diamond Neutral-Particle Spectrometer
Sign Up to like & getrecommendations! Published in 2019 at "Instruments and Experimental Techniques"
DOI: 10.1134/s0020441219020167
Abstract: Abstract—The design of a diamond neutral-particle spectrometer (DNPS) is presented. The DNPS is a part of the neutral particle analyzer (NPA) at the International Thermonuclear Experimental Reactor (ITER). The operating modes of the DNPS in… read more here.
Keywords: neutral particle; diamond neutral; diamond detector; diamond ... See more keywords
Use of a Compact Neutral Particle Analyzer for Studying Thermal and Suprathermal Ions in Plasma Discharges with Neutral Beam Injection
Sign Up to like & getrecommendations! Published in 2019 at "Instruments and Experimental Techniques"
DOI: 10.1134/s0020441219030229
Abstract: Abstract—A compact neutral particle analyzer that has been modified for studying thermal and suprathermal ions in neutral-beam heated plasma is described. Results of the analyzer calibration performed using an atomic beam are presented. The possibility… read more here.
Keywords: neutral particle; particle analyzer; neutral beam; compact neutral ... See more keywords
Development of a Manufacturing Technology for Detectors of the Neutral Particle Diagnostic System on the Tokamak
Sign Up to like & getrecommendations! Published in 2020 at "Instruments and Experimental Techniques"
DOI: 10.1134/s0020441220020025
Abstract: Abstract – The use of scintillators of micron thickness attached to the input windows of photomultiplier tubes (PMTs) makes it possible to create ion detectors with low sensitivity to neutrons and gamma rays. The manufacturing… read more here.
Keywords: manufacturing technology; detectors neutral; technology detectors; technology ... See more keywords