Relativistic electron-positron plasmas
... this, or some large-scale turbulence is required is currently under debate. In particular, it is not clear whether the small-scale fields generated by plasma instabilities can survive for long times needed to explain the astrophysical sources of radiation. 3) Mechanisms of electron and ion injection ...
... this, or some large-scale turbulence is required is currently under debate. In particular, it is not clear whether the small-scale fields generated by plasma instabilities can survive for long times needed to explain the astrophysical sources of radiation. 3) Mechanisms of electron and ion injection ...
A Direct Empirical Proof of the Existence of Dark Matter
... A key limitation of the gravitational lensing method ology is that it only produces a two-dimensional map of �, and hence raises the possibility that structures seen in the map are caused by physically unrelated masses along the line-of-sight. Because the background galaxies reside at a mean z � 1, ...
... A key limitation of the gravitational lensing method ology is that it only produces a two-dimensional map of �, and hence raises the possibility that structures seen in the map are caused by physically unrelated masses along the line-of-sight. Because the background galaxies reside at a mean z � 1, ...
PowerPoint - Astronomy at Swarthmore College
... rotator, 1 Ori C (O6 V), corresponding to four different viewing angles with respect to the magnetic axis, are used to constrain the temperature, spatial location, and kinematics of the hot plasma on this very young hot star with a strong (1100 G) dipole field. The plasma is moving, but only at spe ...
... rotator, 1 Ori C (O6 V), corresponding to four different viewing angles with respect to the magnetic axis, are used to constrain the temperature, spatial location, and kinematics of the hot plasma on this very young hot star with a strong (1100 G) dipole field. The plasma is moving, but only at spe ...
Mass spectrometry and iccd analysis of coupled and uncoupled mode in a gatling-gun like plasma source
... seven plasma jets arranged adjacent to one another, similar in shape to a Gatling machine gun, was recently developed to take advantage of the jet-to-jet coupling phenomenon and to generate atmospheric pressure cold plasmas with higher intensity and energy with respect to singular plasma jets [1]. T ...
... seven plasma jets arranged adjacent to one another, similar in shape to a Gatling machine gun, was recently developed to take advantage of the jet-to-jet coupling phenomenon and to generate atmospheric pressure cold plasmas with higher intensity and energy with respect to singular plasma jets [1]. T ...
A model based on equations of kinetics to study nitrogen dioxide
... pressure was observed. The creation of CO2 and N2 inside the reactor regardless of N2 temperature was reported. According to their results, the temperature decreases for combustion and the reduction of the conversion efficiency of NOx to NO increases during the plasma formation. It shows that, the c ...
... pressure was observed. The creation of CO2 and N2 inside the reactor regardless of N2 temperature was reported. According to their results, the temperature decreases for combustion and the reduction of the conversion efficiency of NOx to NO increases during the plasma formation. It shows that, the c ...
Interactions of Dust Bilayers in a GEC Plasma
... heights due to bilayer interactions was in the opposite direction as the force due to the ion wake field effects, as predicted by the combined fluid model and wake field model. The vertical component of the wake field effect, then, is relatively weak, and is dominated by other forces between the dus ...
... heights due to bilayer interactions was in the opposite direction as the force due to the ion wake field effects, as predicted by the combined fluid model and wake field model. The vertical component of the wake field effect, then, is relatively weak, and is dominated by other forces between the dus ...
Fine structure of the interplanetary shocks observed by BMSW
... of the normal to the IP front was determined: n = ( -0.916; 0.12; 0.38). Its projection on the planes X-Y and X-Z are also shown in fig. 1. Figure 2 illustrates the behavior of velocity and temperature of protons, the concentration of ions. Similarly fig. 3 illustrates the behavior of components of ...
... of the normal to the IP front was determined: n = ( -0.916; 0.12; 0.38). Its projection on the planes X-Y and X-Z are also shown in fig. 1. Figure 2 illustrates the behavior of velocity and temperature of protons, the concentration of ions. Similarly fig. 3 illustrates the behavior of components of ...
The prompt and afterglow emission of GRB991216
... Conclusions • The electric field oscillates for a time of the order of 103 104t C rather than simply going down to 0. • In the same time the electromagnetic energy is converted into energy of oscillating particles • Again we find that the microscopic charges are locked in a very small region: ...
... Conclusions • The electric field oscillates for a time of the order of 103 104t C rather than simply going down to 0. • In the same time the electromagnetic energy is converted into energy of oscillating particles • Again we find that the microscopic charges are locked in a very small region: ...
Fitting X-ray Spectra with Imperfect Models
... • Plasma temperature is defined for gas in thermal equilibrium, for which the most probable velocity distribution is the Maxwellian. Examples of non-thermal plasmas are particle beams, bumps on tails, Kappa distributions. ...
... • Plasma temperature is defined for gas in thermal equilibrium, for which the most probable velocity distribution is the Maxwellian. Examples of non-thermal plasmas are particle beams, bumps on tails, Kappa distributions. ...
1D electromagnetic band gap structure formed by plasma
... GSh-5 have the total glass tube length of 200 mm with internal diameter of 3 mm. They are filled with neon at a pressure of about 70 Torr. The operating DC current of each lamp is 70 mA at the interelectrode voltage of about 200 V. As it is shown with the performed estimations, electron concentratio ...
... GSh-5 have the total glass tube length of 200 mm with internal diameter of 3 mm. They are filled with neon at a pressure of about 70 Torr. The operating DC current of each lamp is 70 mA at the interelectrode voltage of about 200 V. As it is shown with the performed estimations, electron concentratio ...
Two-stream instability in collisionless shocks and foreshock
... shocks in a fully kinetic treatment. In section 2, we discuss some of the results that have been obtained by recent simulations of several research groups [34–36], and which are discussed in detail in the review articles [37, 38]. We demonstrate how a shock and the shock-reflected ion beam form, if ...
... shocks in a fully kinetic treatment. In section 2, we discuss some of the results that have been obtained by recent simulations of several research groups [34–36], and which are discussed in detail in the review articles [37, 38]. We demonstrate how a shock and the shock-reflected ion beam form, if ...
1 - INFN-LNF
... The detection, mapping and characterization of neutral atoms ejected from the surface of Ganymede and Callisto will provide information on the interaction processes. In order to map the region where the ion sputtering process is active the detection of the sputtered neutrals atoms at energies > 10s ...
... The detection, mapping and characterization of neutral atoms ejected from the surface of Ganymede and Callisto will provide information on the interaction processes. In order to map the region where the ion sputtering process is active the detection of the sputtered neutrals atoms at energies > 10s ...
Investigation of Atmospheric Pressure Plasma Source for CO Dissociation
... about 4 eV/mol with 8 slm of CO2 flowing in the discharge. Yet this operating condition has the lowest conversion efficiency of about 25%. Likewise, the operating condition with highest conversion efficiency of about 100% at Ev = 27 eV/mol has the lowest energy efficiency of 10%. As the flow rate of ...
... about 4 eV/mol with 8 slm of CO2 flowing in the discharge. Yet this operating condition has the lowest conversion efficiency of about 25%. Likewise, the operating condition with highest conversion efficiency of about 100% at Ev = 27 eV/mol has the lowest energy efficiency of 10%. As the flow rate of ...
Grafting of Chemical Groups onto Polymers by Means of RF
... substrate in the plasma reactor (glow vs . afterglow) and the treatment time have been changed, in order to explore their influence on the grafting process [45,46]. ESCA analysis of treated polymers allows to measure their surface NIC surface ratio, which has been taken as a measure of the eflciency ...
... substrate in the plasma reactor (glow vs . afterglow) and the treatment time have been changed, in order to explore their influence on the grafting process [45,46]. ESCA analysis of treated polymers allows to measure their surface NIC surface ratio, which has been taken as a measure of the eflciency ...
abstract
... electron temperature in ECR plasma is relatively high so that the charge up damage is often caused on substrates. Thus, to produce a large diameter ECR plasma with low electron temperature is one of the most important subjects for plasma application. In order to control the electron temperature, som ...
... electron temperature in ECR plasma is relatively high so that the charge up damage is often caused on substrates. Thus, to produce a large diameter ECR plasma with low electron temperature is one of the most important subjects for plasma application. In order to control the electron temperature, som ...
workshop on scientific opportunities in
... 3:00-3:12 S. P. Regan (UR) Creating Warm and Hot Dense Matter 3:12-3:24 R. C. Mancini (UNR) Experiments and Modeling of Photoionized Plasmas at Z 3:24-3:36 J. E. Bailey (SNL) Experimental Investigation of Opacity Models for Stellar Interiors and High Energy Density Laboratory Plasmas 3:36-3:48 J. F ...
... 3:00-3:12 S. P. Regan (UR) Creating Warm and Hot Dense Matter 3:12-3:24 R. C. Mancini (UNR) Experiments and Modeling of Photoionized Plasmas at Z 3:24-3:36 J. E. Bailey (SNL) Experimental Investigation of Opacity Models for Stellar Interiors and High Energy Density Laboratory Plasmas 3:36-3:48 J. F ...
Chapter 7 Plasma Basics
... The average distance a particle can travel before colliding with another particle. Larger molecules have shorter MFP because it is proportional to molecule size and crosssection ...
... The average distance a particle can travel before colliding with another particle. Larger molecules have shorter MFP because it is proportional to molecule size and crosssection ...
the fourth state - Automotive Test Solutions
... is the result of heating a gas in which the particles are charged and the molecules or atoms are ionized. An ion is an atom that has lost or gained an electron changing it from a neutrally charged particle into a charged particle. When gas is super heated a large numbers of ions are formed turning t ...
... is the result of heating a gas in which the particles are charged and the molecules or atoms are ionized. An ion is an atom that has lost or gained an electron changing it from a neutrally charged particle into a charged particle. When gas is super heated a large numbers of ions are formed turning t ...
Evaporation–glow discharge hybrid source for plasma immersion
... difficult to ionize solid materials with poor electrical conductivity, such as sulfur, phosphorus and boron; semiconductor materials such as silicon, germanium; and elements with low melt point and/or high chemical activity like the group IA and IIA elements. In this article, we report an evaporatio ...
... difficult to ionize solid materials with poor electrical conductivity, such as sulfur, phosphorus and boron; semiconductor materials such as silicon, germanium; and elements with low melt point and/or high chemical activity like the group IA and IIA elements. In this article, we report an evaporatio ...
Lawrence Livermore National Laboratory Radiation
... The MD code predicts a temperature relaxation very different than what LS or BPS predict…and it should be measurable! LANL has built an experiment to measure temperature relaxation in a plasma SF6 gas jet ...
... The MD code predicts a temperature relaxation very different than what LS or BPS predict…and it should be measurable! LANL has built an experiment to measure temperature relaxation in a plasma SF6 gas jet ...
01.1PART I_Ch1.fm - The Thunderbolts Project
... Although plasma behavior follows simple electromagnetic laws, the resulting complexity continues to astonish the specialists who study it. Because plasma exhibits characteristics not found in solids, liquids, or gases, it has been called "the fundamental state of matter." It can self-organize into c ...
... Although plasma behavior follows simple electromagnetic laws, the resulting complexity continues to astonish the specialists who study it. Because plasma exhibits characteristics not found in solids, liquids, or gases, it has been called "the fundamental state of matter." It can self-organize into c ...
0119.PDF
... Direct fermionic path-integral Monte-Carlo method is used for calculations. It allows one to compute pressure, energy, and pair distribution functions of hydrogen plasma over a wide range of densities and temperatures. AtT= 104 K and density range 0.1-1.5 g/cc phase transition which vanishes at high ...
... Direct fermionic path-integral Monte-Carlo method is used for calculations. It allows one to compute pressure, energy, and pair distribution functions of hydrogen plasma over a wide range of densities and temperatures. AtT= 104 K and density range 0.1-1.5 g/cc phase transition which vanishes at high ...
Low energy Electron Collision with Polar Molecules HCl and HBr in
... in Fig. (3) and (4). The present results are compared with the results of Mohanan et.al., using FBA method at energy 0.1 and 0.5 eV., with screening parameter λ=0.03 a0-1 and λ=0.05 a0-1 respectively. It can be seen from the Fig. (1) to (4) that in the results corresponding to FBA, the plasma screen ...
... in Fig. (3) and (4). The present results are compared with the results of Mohanan et.al., using FBA method at energy 0.1 and 0.5 eV., with screening parameter λ=0.03 a0-1 and λ=0.05 a0-1 respectively. It can be seen from the Fig. (1) to (4) that in the results corresponding to FBA, the plasma screen ...
ppt - Fusion Technology Institute
... An opportunity to enhance the Inertial Electrostatic Confinement (IEC) fusion exists by introducing magnetic dipole to the IEC chamber. The dipole fields will increase the plasma density in the center region of the IEC and the combined IEC and dipole confinement properties will reduce plasma losses. ...
... An opportunity to enhance the Inertial Electrostatic Confinement (IEC) fusion exists by introducing magnetic dipole to the IEC chamber. The dipole fields will increase the plasma density in the center region of the IEC and the combined IEC and dipole confinement properties will reduce plasma losses. ...