英語 での Neutral particles の使用例とその 日本語 への翻訳
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Neutral particles bounce off the device wall and return to the plasma, and other particles enter into the wall.
Within an atom, there are positively charged particles protons and negatively charged particles electrons,as well as neutral particles neutrons.
As a result, we have clarified that almost all of the neutral particles that returned from the wall are being ionized by edge plasma before entering the core region.
The wall temperature is at its highest several thousands degrees. When the plasma touches the wall it loses the plus/minus electrical charge,and becomes"neutral particles.
The neutral particles that returned to the plasma are ionized by the collision with the plasma(the neutral particles are separated into ions and electrons) and again become plasma.
In addition, the simulation code we have developed allows us to work with the electrons that make up plasmaas well as with the collisional processes between the ions and neutral particles.
IBEX determined the distribution of these elements outside the solar system,which are flowing charged and neutral particles that blow through the galaxy, or the so-called interstellar wind.
The wavelength that neutral particles and impurities emit differs depending on the electrical condition(charge state how many electrons are stripped) of neutral particles and impurities.
Among the variety of particles produced by the interaction of protons with a metal target,charged particles are swept out by magnets and thus neutral particles are extracted.
Neutral particles and the electrons and the positive ions that were generated in this way are called secondary particles. A part of these collide with electrodes and become heat load, and sometimes they cause damage to the accelerator.
From these spectrometers, in edge plasma, we have become able to measure spatial distributions andelectrical condition(charge state) of neutral particles and impurities when they emit light.
When charged particles and neutral particles collide, a reaction occurs in which electrons are stripped away from neutral particles and the electrons of neutral particles are transferred to ions, and influences the movement of the plasma.
For our next research topic, in order to heighten further our precision in calculations we will incorporate the process in which ions and electrons combine andbecome neutral particles, which is important when the plasma temperature becomes extremely low.
Novelty and originality of this research The space around the earth is called the magnetosphere and made up of plasma that has completely ionized and collisionless. While the region called the ionosphere is made up ofpartially ionized plasma that collides with the surrounding neutral particles.
For this reason, in order to perform precise simulations of the generation of detached plasma it is necessary to calculateprecisely the process in which charged particles react with neutral particles through collisions while pursuing the movements of numerous chargedparticles based upon the laws of physics.
Charged particles such as electrons and ions that compose plasma move about influencing each other through the electrical force. However, in detached plasma,collisions between these charged particles and the low-temperature neutral particles also perform important roles.
Particles with this much weight can not exist without going back to just after the universe began.Because antineutrinos and neutrinos are neutral particles, it is possible that they are actually the same particle. .
Further, we were able to indicate that at the time of the generation of a detached plasma the ion temperature and the electron temperature fall, and that the cause of the temperature reduction is explained from the particle level thetemperature falls due to collisions between ions and neutral particles, and interaction through electric force among ions and electrons.
However, because though but a small amount of gas particles exist in the accelerator, too, when negative ions that are accelerating collide with gas particles floating nearby sometimes their electrons are stripped away andbecome neutral particles. Or, conversely, gas particles are forced to separate into electrons and positive ions.
Neutral particle beams can contribute to quantum computing.
Flattening anddefect control may gain much attention as one application of neutral particle beam technology in the future.
But MDA is also exploring using directed energy:lasers, neutral particle beams, and microwaves or radio waves.
For this reason, flattening and defect control through a neutral particle beam has attracted attention.
Dr. Samukawa's talk on neutral particle beams was also new to plasma physics researchers, and he received many questions on future possibilities.
He is very interested in the neutral particle beam process, and we decided to continue the discussion about device development in the future.
Then, by making the ion beampass through the hydrogen gas that beam changes into a neutral particle beam.
For material researchers, it seems that the lecture on defectcontrol technology of 2D material using a neutral particle beam, a type of top-down processing, was new and impactful. It received many questions and requests for collaborative research.
Still, MDA recently scrapped plans to test a prototype 500-kilowatt airborne laser by 2025 andto develop a space-based neutral particle beam.
Research Updates/ National Institute for Fusion Science In the Large Helical Device(LHD), one of the methods used for heating plasma that has been confined by the magneticfield lines container is the NBI(a neutral particle injection heating device;Neutral Beam Injection), which is a method that injects into plasma a hydrogen atom beam that has been accelerated by high energy.
If one uses negative ions, compared to the positive ions,one can change the beam into a neutral particle beam with higher efficiency.