'Energetic electrons' diaporamas de présentation

Particle Detectors Tools of High Energy and Nuclear Physics Detection of Individual Elementary Particles Howard Fenker

Particle Detectors Tools of High Energy and Nuclear Physics Detection of Individual Elementary Particles Howard Fenker Jefferson Lab June 3, 2008. Outline of Talk. Detectors that sense Light Photomultipliers to detect Cerenkov Photons Scintillators

965 views • 56 slides

A Fermi mechanism for electron acceleration during magnetic reconnection

A Fermi mechanism for electron acceleration during magnetic reconnection. J. F. Drake University of Maryland and SSL. M. Swisdak University of Maryland H. Che University of Maryland M.A. Shay University of Delaware. Magnetic Energy Dissipation in the Universe.

654 views • 50 slides

Aerospace Environment ASEN-5335

Aerospace Environment ASEN-5335. Instructor: Prof. Xinlin Li (pronounce: Shinlyn Lee) Contact info: e-mail: lix@lasp.colorado.edu (preferred) phone: 2-3514, or 5-0523, fax: 2-6444, website: http://lasp.colorado.edu/~lix

452 views • 31 slides

A multi-island mechanism for particle acceleration during magnetic reconnection in solar flares

A multi-island mechanism for particle acceleration during magnetic reconnection in solar flares. J. F. Drake and M. Swisdak University of Maryland. Some energetic particle observations in impulsive flares. In solar flares energetic electrons up to MeVs and ions up to GeVs are measured

552 views • 29 slides

Whistler Wave Launch and Diamagnetic Plasma Formation in Laboratory Experiments

Whistler Wave Launch and Diamagnetic Plasma Formation in Laboratory Experiments Bill H. Quon, Microwave Plasma Applications 252 S. Poplar Ave # 403 Brea, CA 92821 email: bquon1@msn.com.

466 views • 29 slides

A Fermi Model for the Production of Energetic Electrons during Magnetic Reconnection

J. F. Drake H. Che M. Swisdak M. A. Shay. University of Maryland NRL University fo Delaware. A Fermi Model for the Production of Energetic Electrons during Magnetic Reconnection. Energetic electron production in nature.

362 views • 28 slides

Investigations on Atmospheric Acceleration of Energetic Electrons by ERG and SCOPE

Investigations on Atmospheric Acceleration of Energetic Electrons by ERG and SCOPE. Wing-Huen Ip Institutes of Space Science and Astronomy National Central University March 17, 2009. Outline. TGFs TLEs Saturn: Extreme Electrostatic Charging

301 views • 22 slides

Plasma-Enhanced Chemical Vapor Deposition (PECVD)

Plasma-Enhanced Chemical Vapor Deposition (PECVD). Epitaxial Thin Film Growth Emil Blix Wisborg. What is CVD?. Chemical Vapor Deposition Deposition of a solid phase from a gaseous phase Volatile precursor gases react or decompose on a heated substrate

3.94k views • 20 slides

STEREO, March 2002, Paris

177 views • 17 slides

Presented by: Chen Wei 1 ( ?? )

EX/5-3. Observation of GAM Induced by Energetic Electrons and NL Interactions among GAM, BAEs and Tearing Modes on the HL-2A Tokamak. Presented by: Chen Wei 1 ( ?? ).

167 views • 16 slides

Excitation of internal kink mode by barely trapped suprathermal electrons *

Excitation of internal kink mode by barely trapped suprathermal electrons *. Youwen Sun, Baonian Wan, Shaojie Wang, Deng Zhou, Liqun Hu and Biao Shen. * Sun Y.W. et al. , Phys. Plasmas 12 , 092507(2005). Outline. 1. Background 2. Dispersion relation 3. Threshold condition

199 views • 12 slides

Conditions of Electron Acceleration by Magnetic Reconnection During Solar Flares

128 views • 11 slides

E-beam Evaporation

E-beam Evaporation. Resistance-heating cannot achieve sufficient VP for high-melting point materials to achieve reasonable deposition rate. From Grovenor, Fig. 4.1, p. 180. E-beam Evaporation. Use an electron beam to provide the necessary heating.

2.39k views • 7 slides

Luminescence basics

Types of luminescence Cathodoluminescence: Luminescence due to recombination of EHPs created by energetic electrons. Example: CL mapping system Photoluminescence: Luminescence due to recombination of EHPs created by energetic photons. Example: PL mapping system

1.18k views • 4 slides

Predicting Proton Storms from Hard X-ray Spectroscopy

Howard Garcia NOAA Space Environment Center . Alan Kiplinger University of Colorado . Frantisek Farnik Czech Republic .

86 views • 1 slides