Sentences with phrase «plasma particles in»

Large space - weather events, such as geomagnetic storms, can alter the incoming radio waves — a distortion that scientists can use to determine the concentration of plasma particles in the upper atmosphere.
One of his main achievements was inventing a «magnetic nozzle» that could spray the plasma particles in a high - speed jet.

Not exact matches

The modeling helps scientists deduce important pieces of information for space weather forecasting — in this case, for the first time, the density of the plasma around the shock, in addition to the speed and strength of the energized particles.
They teamed up with James Dedrick and Andrew Gibson from the York Plasma Institute, University of York, U.K. to study how plasma behavior varies in relation to spatial location, time and particle ePlasma Institute, University of York, U.K. to study how plasma behavior varies in relation to spatial location, time and particle eplasma behavior varies in relation to spatial location, time and particle energy.
By combining observations from the ground and in space, the team observed a plume of low - energy plasma particles that essentially hitches a ride along magnetic field lines — streaming from Earth's lower atmosphere up to the point, tens of thousands of kilometers above the surface, where the planet's magnetic field connects with that of the sun.
Giant eruptions of hot plasma and high - energy particles spewed forth, a Mount Everest's weight of gas in a single belch.
The computations were made consistent with well - accepted magnetostatic theory and resulted in spontaneous current sheet development, making them relevant for the study of particle acceleration in astrophysical plasmas.
The New Calculus Other physicists, meanwhile, are employing string theory methodologies in their study of extreme matter states — from the intensely hot plasmas produced in particle colliders to materials created in laboratories at temperatures close to absolute zero.
Huge swirls at the edge of Mercury's magnetosphere — where the planet's magnetic field meets the energetic charged particles of the solar wind — help shower the planet in solar plasma.
«Updated computer code improves prediction of particle motion in plasma experiments.»
The Cassini team will use data collected by one of the spacecraft's science instruments (the Radio and Plasma Wave Subsystem, or RPWS) to ascertain the size and density of ring particles in the gap in advance of future dives.
By arranging their detectors at the edge of a fusion device, researchers have found that they are able to measure high energy particles kicked out of the plasma by a type of wave that exists in fusion plasmas called an Alfvén wave (named after their discoverer, the Nobel Prize winner Hannes Alfvén).
Theoretical physicists Dam Thanh Son and Andrei Starinets, for example, collaborated on an idea that used black hole math to predict the viscosity of an ultrahot gas, or plasma, that forms in certain particle collider experiments.
The bubble in question is actually a field of magnetic plasma, and the bigger this field gets, the faster it will travel, powered by solar winds made of particles hurtling from the sun at a million miles per hour.
Here they used the UK - developed EPOCH «particle - in - cell» code, where particles are modeled as «chunks» that describe the bigger reality of the dynamics of the plasma system.
Just after the big bang, our universe was so hot and dense that protons and neutrons couldn't form, and the particles that make them up — quarks and gluons — floated in a soup known as the quark - gluon plasma.
In their new study, the BARREL researchers» major objective was to obtain simultaneous measurements of the scattered particles and of ionoized gas called plasma out in space near Earth's equatoIn their new study, the BARREL researchers» major objective was to obtain simultaneous measurements of the scattered particles and of ionoized gas called plasma out in space near Earth's equatoin space near Earth's equator.
A new study published this week in the journal Physics of Plasmas, from AIP Publishing, uses computer simulations to show that the cloud of plasma generated from the particle's impact is responsible for creating the damaging electromagnetic pulse.
To simulate the results from a hypervelocity impact plasma, researchers used a method called particle - in - cell simulation that allows them to model the plasma and the electromagnetic fields simultaneously.
Since the experiment fires protons at boron plasma, it effectively mimics cosmic rays crashing into plasmas in space, which may aid studies of high - energy particle behaviour, says Mac Low.
The high voltage is delivered only in very short bursts, using just enough energy to accelerate the tiny electrons without heating up the heavy gas particles pulses; thus, plasma is generated.
The new type of accelerator, known as a laser - plasma accelerator, uses pulses of laser light that blast through a soup of charged particles known as a plasma; the resulting plasma motion, which resemble waves in water, accelerates electrons riding atop the waves to high speeds.
Friction between ions and neutral particles heats the plasma even more, both in and around the spicules.
One facility in Utashinai, Japan, has been doing just that since 2003, using plasma — an electrically induced stream of hot, charged particles — to process up to 220 tons of municipal solid waste a day.
Magnetic reconnection, in addition to pushing around clouds of plasma, converts some magnetic energy into heat, which has an effect on just how much energy is left over to move the particles through space.
Solar plasma produces a distinctive magnetic field because it all comes from the same source; scientists expected that the field would shift in interstellar space, where particles flit around in all directions.
In this new work, Wang's team refined a probe that makes use of a phenomenon researchers at Berkeley Lab first theoretically outlined 20 years ago: energy loss of a high - energy particle, called a jet, inside the quark gluon plasma.
In 2004, Pavel Kovtun, now at the University of Victoria in British Columbia, Canada, and his colleagues used string theory to describe a soup of fundamental particles called a quark - gluon plasma created in collisions at the RHIC accelerator at Brookhaven National Laboratory in Upton, New YorIn 2004, Pavel Kovtun, now at the University of Victoria in British Columbia, Canada, and his colleagues used string theory to describe a soup of fundamental particles called a quark - gluon plasma created in collisions at the RHIC accelerator at Brookhaven National Laboratory in Upton, New Yorin British Columbia, Canada, and his colleagues used string theory to describe a soup of fundamental particles called a quark - gluon plasma created in collisions at the RHIC accelerator at Brookhaven National Laboratory in Upton, New Yorin collisions at the RHIC accelerator at Brookhaven National Laboratory in Upton, New Yorin Upton, New York.
In this plasma, the protons and neutrons that make up atomic nuclei are shattered into a cloud of quarks and gluons, particles that carry the force that normally keeps quarks together.
In plasma wakefield acceleration, energetic bundles of electrons or positrons traverse a plasma and generate plasma «wakes» for trailing bunches of particles to ride.
The first laser - driven device to spark fusion in boron plasma can double as an astrophysical lab for studying how particle crashes forge elements
In the positron case, the particles are defocused and lost in the plasmIn the positron case, the particles are defocused and lost in the plasmin the plasma.
Storms on the sun catapult charged particles into space at tremendous speeds, says plasma physicist Ruth Bamford of the Rutherford Appleton Laboratory in Didcot, England.
Charged particles in the solar wind interact with this plasma, and the mingling and moving around of all these charges produces currents.
Their model is based in the dynamics of plasma — the hot gas of charged particles that streams along magnetic fields and constitutes the sun.
While this allows scientists to understand some space plasma phenomena in detail, it is difficult to get a comprehensive picture of where the particles came from and where they're going.
The first is turbulence in the plasma that allows hot particles to reach the edge and so lets heat escape.
ITER, which will be finished in 2019 or 2020, will attempt fusion by containing a plasma with enormous magnetic fields and heating it with particle beams and radio waves.
A team led by scientists from the University of California, Los Angeles and the Department of Energy's SLAC National Accelerator Laboratory has reached another milestone in developing a promising technology for accelerating particles to high energies in short distances: They created a tiny tube of hot, ionized gas, or plasma, in which the particles remain tightly focused as they fly through it.
Scientists based previous models on a uniform plasma in order to simplify the problem — modeling is computationally expensive, and the final model took roughly a year to run with NASA's supercomputing resources — but they realized neutral particles are a necessary piece of the puzzle.
An unexpected pattern has been glimpsed in the solar wind, the turbulent plasma of charged particles that streams from the sun.
Plasma that erupted from the sun Saturday in a burst called a coronal mass ejection reached Earth Monday and delivered charged particles into the upper atmosphere.
The new research analyzes the plasma surrounding the pulsar by coupling Einstein's theory of relativity with quantum mechanics, which describes the motion of subatomic particles such as the atomic nuclei — or ions — and electrons in plasma.
In numerous plasma experiments being conducted in countries around the world, the use of deuterium is improving the confinement of heat and particleIn numerous plasma experiments being conducted in countries around the world, the use of deuterium is improving the confinement of heat and particlein countries around the world, the use of deuterium is improving the confinement of heat and particles.
Turbulence behavior in high - temperature plasma confined in the magnetic field is described mathematically through a dynamical equation in five - dimensional space (the three coordinates of space to which two components of particle velocity are added).
These promising new directions include higher fusion power densities, and hence smaller reactors; development of «transport barriers» in the plasma, leading to improved energy confinement and smaller sizes; self - driven plasma currents that permit steady - state operation and low recirculating power; and the development of advanced divertor concepts to provide particle control and heat removal over long reactor lifetimes.
J.F.: I would look at charged particle transport, or how energy and particles are transported in plasmas.
These tiny droplets «flow» in a manner similar to the behavior of the quark - gluon plasma, a state of matter that is a mixture of the sub-atomic particles that makes up protons and neutrons and only exists at extreme temperatures and densities.
The yellow - red glow at center shows a hydrodynamic simulation of quark - gluon plasma created in particle collisions.
In January 2013, sensors on the ground mapped electrons in the upper atmosphere and saw a tendril of more densely packed particles curling away from the north pole, indicating that a plume of plasma was veering off towards the suIn January 2013, sensors on the ground mapped electrons in the upper atmosphere and saw a tendril of more densely packed particles curling away from the north pole, indicating that a plume of plasma was veering off towards the suin the upper atmosphere and saw a tendril of more densely packed particles curling away from the north pole, indicating that a plume of plasma was veering off towards the sun.
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