Real time plasma etch control by means of physical
... provides harmonics with the modulated sheath width and high frequency oscillations in the bulk plasma. By using a general discharge model, SEERS provides volume averaged values of electron collision rate, electron density, and bulk power. It thus provides a very efficient real time data compression. ...
... provides harmonics with the modulated sheath width and high frequency oscillations in the bulk plasma. By using a general discharge model, SEERS provides volume averaged values of electron collision rate, electron density, and bulk power. It thus provides a very efficient real time data compression. ...
Interpretation of the Helix Planetary Nebula using Hydro
... By coincidence, the direction opposite to the peak Leonid meteoroid flux in November 2002 includes the closest planetary nebula (PNe) to the earth (150-200 pc ≈ 5 × 1018 m) Helix (NGC 7293), so that the Hubble Helix team of volunteers could devote a substantial fraction of the 14 hour Leonid stand-do ...
... By coincidence, the direction opposite to the peak Leonid meteoroid flux in November 2002 includes the closest planetary nebula (PNe) to the earth (150-200 pc ≈ 5 × 1018 m) Helix (NGC 7293), so that the Hubble Helix team of volunteers could devote a substantial fraction of the 14 hour Leonid stand-do ...
What is Beneath the Sunspots? Home Page ____________________________________________
... fields emerge from solar interior and where major eruptive events occurs [6], it was studied individually as a phenomenon with strong magnetic field [5]. Until now, sunspots are conceived as a magnetic flux entity that emerged from sun’s interior [7], but the Helioseismology–methods allowed for in-d ...
... fields emerge from solar interior and where major eruptive events occurs [6], it was studied individually as a phenomenon with strong magnetic field [5]. Until now, sunspots are conceived as a magnetic flux entity that emerged from sun’s interior [7], but the Helioseismology–methods allowed for in-d ...
Determination of the levitation limits of dust particles within the
... carried out in the Center for Astrophysics, Space Physics and Engineering Research (CASPER) Gaseous Electronics Conference (GEC) cell.16,17 The cell contains a grounded, upper electrode and a powered, lower electrode that is capacitively coupled and driven at 13.56 MHz. The electrodes are separated ...
... carried out in the Center for Astrophysics, Space Physics and Engineering Research (CASPER) Gaseous Electronics Conference (GEC) cell.16,17 The cell contains a grounded, upper electrode and a powered, lower electrode that is capacitively coupled and driven at 13.56 MHz. The electrodes are separated ...
Charged-Particle Probing of X-Ray-Driven Inertial-Fusion Implosions PSFC/JA-10-29
... have been inferred even though the cavity is effectively a Faraday cage (9). The effects of such fields can impact important physics issues, including laser-plasma instabilities, modification of the plasma electron distribution, and implosion symmetry. Whereas the structures of spokes and fingers in ...
... have been inferred even though the cavity is effectively a Faraday cage (9). The effects of such fields can impact important physics issues, including laser-plasma instabilities, modification of the plasma electron distribution, and implosion symmetry. Whereas the structures of spokes and fingers in ...
Spectroscopic observation of helium-ion- and hydrogen
... corresponding predicted characteristic signatures: (1) excess power, (2) emission of broad-band q · 13.6 eV radiation, (3) pumping of the catalyst excited states, (4) characteristic EUV continuum radiation, (5) fast H, and (6) hydrino products. The first characteristic was reported on previously [31 ...
... corresponding predicted characteristic signatures: (1) excess power, (2) emission of broad-band q · 13.6 eV radiation, (3) pumping of the catalyst excited states, (4) characteristic EUV continuum radiation, (5) fast H, and (6) hydrino products. The first characteristic was reported on previously [31 ...
EQUATION OF STATE AND OPACITIES FOR HYDROGEN
... Propagation of radiation in magnetized plasmas was discussed in many papers and monographs (e.g., Ginzburg 1970). At photon energies h! much higher than ...
... Propagation of radiation in magnetized plasmas was discussed in many papers and monographs (e.g., Ginzburg 1970). At photon energies h! much higher than ...
Pulsed currents carried by whistlers. VIII. Current disruptions and
... The loss of density @25% for t n 52n/( ] n/ ] t).2.5 ms# cannot explain the disappearance of the oscillations, since density variations by an order of magnitude at higher temperatures have no influence on the instability. In a pure argon plasma at kT e >1 eV, the current relaxation oscillations are ...
... The loss of density @25% for t n 52n/( ] n/ ] t).2.5 ms# cannot explain the disappearance of the oscillations, since density variations by an order of magnitude at higher temperatures have no influence on the instability. In a pure argon plasma at kT e >1 eV, the current relaxation oscillations are ...
Double Layer Observations and role in particle acceleration
... Until now, they have not been observed with sufficient total potentials to matter VAP have seen huge numbers of double layers (7000 in one minute of data) that produced a total parallel potential crossing the spacecraft of 1,000,000 volts in six minutes during a spacecraft charging event You may not ...
... Until now, they have not been observed with sufficient total potentials to matter VAP have seen huge numbers of double layers (7000 in one minute of data) that produced a total parallel potential crossing the spacecraft of 1,000,000 volts in six minutes during a spacecraft charging event You may not ...
On the electron temperature downstream of the solar wind
... terms, e.g. for pitch-angle scattering, can be additionally considered as counteracting the magnetic moment conservation. Nevertheless the full transport equation requires the operation of a Liouville operator describing the tendency to conserve particle invariants in the case of absence or weakness ...
... terms, e.g. for pitch-angle scattering, can be additionally considered as counteracting the magnetic moment conservation. Nevertheless the full transport equation requires the operation of a Liouville operator describing the tendency to conserve particle invariants in the case of absence or weakness ...
Dissipation and heating in solar wind turbulence: from the macro to
... turbulence at 1 AU. This is evidenced by a very broadband power spectral density that illustrates the amount of energy at each scale and is one of the manifestations of the ‘turbulence energy cascade’ [5]. In this well-known paradigm, energy from large-scale fluctuations cascades through smaller and ...
... turbulence at 1 AU. This is evidenced by a very broadband power spectral density that illustrates the amount of energy at each scale and is one of the manifestations of the ‘turbulence energy cascade’ [5]. In this well-known paradigm, energy from large-scale fluctuations cascades through smaller and ...
CHANDRA on ,
... periodogram of the light curve, using the Lomb–Scargle technique. As can be seen, no significant period stands out. We have performed the same search using larger time bins to reduce errors. We fail to detect any significant period. Torrejón & Orr (2001) suggested the possibility of a 14 ks pulsati ...
... periodogram of the light curve, using the Lomb–Scargle technique. As can be seen, no significant period stands out. We have performed the same search using larger time bins to reduce errors. We fail to detect any significant period. Torrejón & Orr (2001) suggested the possibility of a 14 ks pulsati ...
Reactive Sputtering Using a Dual
... plasma by the action of the transformer, to twice the target potential. This electrode collects ions and thus also works as a cathode, causing sputtering of its surface, removing any buildup of insulating materials, which may have formed there previously. The discharge between the anodes is not self ...
... plasma by the action of the transformer, to twice the target potential. This electrode collects ions and thus also works as a cathode, causing sputtering of its surface, removing any buildup of insulating materials, which may have formed there previously. The discharge between the anodes is not self ...
Real Properties of Electromagnetic Fields and
... released by magnetic reconnection (merging) is a neutral point, one at which the magnetic field strength is zero valued. Fig. 2 provides a simple example that demonstrates how such a neutral point can be created. The field structure that is shown in Fig. 1 lies within the small rectangle at the cent ...
... released by magnetic reconnection (merging) is a neutral point, one at which the magnetic field strength is zero valued. Fig. 2 provides a simple example that demonstrates how such a neutral point can be created. The field structure that is shown in Fig. 1 lies within the small rectangle at the cent ...
On the dimensionally correct kinetic theory of turbulence
... hybrid frequency and jXe j ¼ eB0 =me c is the electron cyclotron frequency, e, B0, me, mi, and c being the unit electric charge, the ambient magnetic field intensity, electron and proton mass, and the speed of light in vacuo, it is known from both simulations30–33 and theory34–36 that perpendicular ...
... hybrid frequency and jXe j ¼ eB0 =me c is the electron cyclotron frequency, e, B0, me, mi, and c being the unit electric charge, the ambient magnetic field intensity, electron and proton mass, and the speed of light in vacuo, it is known from both simulations30–33 and theory34–36 that perpendicular ...
Study Systematics on the ICM metallicity measurements
... weak emission compared to the continuum IS NOT A SOLID AND ROBUST ESTIMATE Iron estimate for systems of 2-3 keV can likely be biased towards higher values since this is a critical temperature range where we mix together plasma presenting either strong Fe-L or strong Fe-K lines. ...
... weak emission compared to the continuum IS NOT A SOLID AND ROBUST ESTIMATE Iron estimate for systems of 2-3 keV can likely be biased towards higher values since this is a critical temperature range where we mix together plasma presenting either strong Fe-L or strong Fe-K lines. ...
Department of Physics and Astronomy University of
... of heavy isotopes in dense stellar plasmas is not generally available, we need to derive theoretical values for the ionization degree. To this end we consider plasma conditions characteristic for s-process nucleosynthesis and calculate probabilities for various charged states and ionization stages ...
... of heavy isotopes in dense stellar plasmas is not generally available, we need to derive theoretical values for the ionization degree. To this end we consider plasma conditions characteristic for s-process nucleosynthesis and calculate probabilities for various charged states and ionization stages ...
The Salpeter plasma correction for solar fusion reactions
... 3.3. Unconventional interpretation of the Gibbs distribution Opher & Opher (2000b) propose, in order to support their version of dynamic screening, a different interpretation of the Gibbs probability distribution than is given in any standard treatments of statistical mechanics. In a discussion usin ...
... 3.3. Unconventional interpretation of the Gibbs distribution Opher & Opher (2000b) propose, in order to support their version of dynamic screening, a different interpretation of the Gibbs probability distribution than is given in any standard treatments of statistical mechanics. In a discussion usin ...
УДК 533.915 FORMATION STAGES OF PULSED DISCHARGE IN
... cannot do without plasma technologies. Plasma technologies based on direct current gas discharges are the simplest ones, but in recent decades the radio frequency discharges have come to the front and become the main plasma tool for large-scale production of semiconductor devices. Conventionally dif ...
... cannot do without plasma technologies. Plasma technologies based on direct current gas discharges are the simplest ones, but in recent decades the radio frequency discharges have come to the front and become the main plasma tool for large-scale production of semiconductor devices. Conventionally dif ...
Corsica free-boundary scenario and controller studies for ITER
... Corsica – JCT/Feb 2001 Controller during MD1 ...
... Corsica – JCT/Feb 2001 Controller during MD1 ...
Upper ionosphere of Mars is not axially symmetrical
... Fig. 6. Maps of the mean values of the electron number density in the bin 40 km × 1◦ as a function of altitude and solar zenith angle. Black shaded bins have values lower or equal than the low threshold of the MARSIS instrument (n e ∼ 10–20 cm−3 ). ...
... Fig. 6. Maps of the mean values of the electron number density in the bin 40 km × 1◦ as a function of altitude and solar zenith angle. Black shaded bins have values lower or equal than the low threshold of the MARSIS instrument (n e ∼ 10–20 cm−3 ). ...
Periodic Spectral Line Asymmetries In Solar Coronal Structures From Slow Magnetoacoustic Waves
... of clarity inplane what follows, slow wave one-dimensional, sound l Zanna 2008), and thermal line broadening due to the wave tem that over the range of temperatures that the slow wave covers, wave propagating upwards in a static equilibrium plasma that Downflows are We model the spectral line in the ...
... of clarity inplane what follows, slow wave one-dimensional, sound l Zanna 2008), and thermal line broadening due to the wave tem that over the range of temperatures that the slow wave covers, wave propagating upwards in a static equilibrium plasma that Downflows are We model the spectral line in the ...
magnetospheres of the outer planets
... of mechanisms, including a cascade of elastic collisions resulting from penetration of the incident ion into the target and the excitation of target electrons to antibonding states (causing the ejection of target species). Chemical decomposition of the target can result. A schematic of sputtering an ...
... of mechanisms, including a cascade of elastic collisions resulting from penetration of the incident ion into the target and the excitation of target electrons to antibonding states (causing the ejection of target species). Chemical decomposition of the target can result. A schematic of sputtering an ...
Experimental Evidence for a Reduction in Electron Thermal
... are difficult to measure, so, for this work, they are estimated through simulation. Simulating the RFP is a computational challenge due to the large number of nonlinearly interacting resonant magnetic perturbations that exist in the plasma. These modes must be properly accounted for, because they ma ...
... are difficult to measure, so, for this work, they are estimated through simulation. Simulating the RFP is a computational challenge due to the large number of nonlinearly interacting resonant magnetic perturbations that exist in the plasma. These modes must be properly accounted for, because they ma ...