A NEW RECURSIVE SOLUTION OF THE PROBLEM OF SCATTERING OF ELECTROMAGNETIC RADIATION BY MULTI-LAYERED SPHEROIDAL PARTICLES V.G. Farafonov St.Petersburg State University of aerocosmic instrumentation, Abstract A new recursive algorithm of solution of the problem of scattering of an arbitrary polarized plane wave by multi-layered confocal spheroidal particles is constructed. ... In the case of multi-layered particle the potentials in each layer are represented by sums of two components. ...

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• http://www.astro.spbu.ru/staff/ilin2/INTAS/P3-SPB1/PUBL/ABSTR/f-os2.txt
• T-matrix method (EBCM)
• INTAS project 99/652: Publications

... COMPUTER SIMULATION OF RADIOWAVE MULTIPLE SCATTERING EFFECTS IN IONOSPHERE USING MONTE-CARLO METHOD . ... Distribution of reflected radiation on the ground is computed. ... Such influence can be remarkable if the scattering is multiple, i.e. the optical thickness for the scattering process is considerably greater than a unit. ... Radiation energy transfer in the slab is modeled by distribution of some particles carring small portions of radiation energy. ... The isotropic plasma approximation is...

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Next: Field of View Up: CCD Scientific Performance Previous: Back Illumination . The CCD acts as a storage medium, and with frame times of the order seconds, there is no obvious method of employing prompt co-incidence rejection of charged particle events. ... In conventional CCDs, a m track length results in an equivalent energy deposition of 5 - 6 keV, and significant confusion with X-ray events arises. ... A trade-off between rejection efficiency and spectroscopic efficiency is required. ...

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• XMM-Newton Radiation Monitor Details

Full-Simulation Calorimeter Study For Energy Flow Jet reconstruction Jan. ... Good Jet reconstruction is essential Jet Reconstruction .. Energy Flow method We use Tracker for charged particles Calorimeters neutral particles For example, in e+e- !tt (6jets,4jets) events, Charged particles carry ~60% of event energy ! ... I'll report Clustering algorithm GISMO vs GEANT4 Photon reconstruction study In this study, we use e+e- ! ... 0.9) Average # of clusters in a particle .. ...

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• http://zebu.uoregon.edu/2004/a321/lec07.html
• Dark Matter in the Universe
• U of O High Energy Physics Seminars

... 8, `` Celestial Mechanics'', 2002 Two trends in the development of numerical algorithms of celestial mechanics T. V. Bordovitsyna, V. A. Avdushev, A. M. Chernitsov Research Institute of Applied Mathematics and Mechanics, Tomsk, Russia The motion of a material particle with the mass m in the gravitational field of the central body with the mass M under the action of conservative forces F i with the potential function V i and non--conservative forces P in a ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/IVASHKIN.PS

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2014 February 4 . A Particle Beam Jet forms HH 24 . Image Credit: Hubble Legacy Archive , NASA , ESA - Processing: Judy Schmidt . Explanation: If you visit HH 24, don't go near the particle beam jet. ... Frequently when a star forms, a disk of dust and gas circles the YSO causing a powerful central jets to appear. ... About APOD | ...

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• Medium
• APOD: 2005 May 25 - Particle Sizes in Saturns Rings
• APOD: 2001 July 10 - Sudbury Indicates Nonstandard Particle Model

... A Particle Beam Jet forms HH 24 . ... Credit Copyright: Hubble Legacy Archive , NASA , ESA - Processing: Judy Schmidt Explanation: If you visit HH 24, don't go near the particle beam jet. ... The above image was taken by the Hubble Space Telescope in infrared light in order to better understand turbulent star forming regions known as Young Stellar Objects (YSOs). Frequently when a star forms, a disk of dust and gas circles the YSO causing a powerful central jets to appear. ...

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• Астронет > A Particle Beam Jet forms HH 24
• Particle Sizes in Saturns Rings
• Астронет > Particle Sizes in Saturns Rings

Chair of solid state physics . ... One-particle Green’s function (Non interacting fermions) . Verbal definition of retarded one-particle Green’s function. ... One-particle Green’s function (Interacting fermions) . Formal definition of one-particle Green’s function. ... Quasi particles in Hartree-Fock approximation. ... Quasi particles and one-particle Green’s function. ... Vertex function and scattering of quasi particles. ... Matsubara Green’s function foe free particles. ...

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We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. The best detectors for observing solar particles are therefore those sensitive to the lowest energies of the cosmic radiation. ...

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• Energetic Particles
• Trapped Radiation -- History
• Cosmic rays [Oulu]

... Magnetic Storms . ... Cosmic Rays . ... Energetic Particles . ... Solar fast Particles . We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. ... Should we be concerned about solar energetic radiation? ...

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• Energetic Particles
• The Outer Radiation Belt
• The Inner Radiation Belt

... Ah ha~ Once I questioned, ?what is systematic error?? (see [Q] systematic error. Thanks to L. Lyons? work discussed in [ArXiv] Particle Physics , I found this paper, titled Systematic Errors describing the concept and statistical inference related to systematic errors in the field of particle physics. ... Tags: coverage , Heinrich , likelihood , Lyons , nuisance parameter , objective priors , p-value , particle physics , statistical error , subjective priors , systematic error . ...

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• The AstroStat Slog particle filter
• The AstroStat Slog LHC
• The AstroStat Slog coverage

... The FOC suffers from various types of background, the most important of which are thermal electrons, Cerenkov radiation from high energy particles, geocoronal emission lines, zodiacal light, and light scattered within HST from the bright Earth or Moon. ... From on-orbit measurements using the f /96 camera, the former background has been found to vary with solar zenith distance (ZD); see Sections 6.4, 6.5, and 7.0 of the FOC Instrument Handbook , version 7.0, for more details. ...

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• CLASH: An Innovative Survey to Place New Constraints on the Fundamental
• Research Interests
• FOC Data Handbook

. Total Dose Testing of a CMOS Charged-Particle Spectrometer . B.R. Hancock, Member, IEEE and G.A. Soliz . Jet Propulsion Laboratory . California Institute of Technology . Pasadena, CA 91109 . Table of Contents . Abstract and Introduction . Design of the CPS32 . Anticipated radiation effects . Radiation test results . Discussion . Conclusions . Acknowledgements and References

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• Order Definition
• Dark-current and particle hits correction
• Photon/Particle Counting Image Measurement System : PIAS-TI (Hamamatsu

Nonlinear harmonics in plasma. Nonlinear electromagnetic wave in plasma. ... Turbulence spectra. Wave- wave interaction. ... Brillouin back- scattering. Parametric instability. The balance equations. ... Wave- particle interaction in random phase approach. ... Stimulated scattering of waves by particles. Weak turbulence processes. Inverse energy cascade in plasma. ... Inverse scattering method. ... Nonlinear Schrodinger equation. ... Strong nonlinear 3- wave interaction. ...

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• Theoretical Astrophysics
• Near-Earth Space
• Wave Processes in Inhomogeneous Plasma

... According to the big bang theory, huge amounts of energy were released, giving rise to matter, antimatter and dark matter. ... The Big Bang Theory has enabled scientists to make certain predictions. ... These particles are the building blocks of matter, antimatter and dark matter. ... This could theoretically happen if the hydrogen was shockheated to over 100000 C. The Big Bang Theory is only a theory and so there is no concrete evidence to suggest that it is entirely correct. ...

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• W.M. Napier, Senior Research Fellow

... Programme . ... Abstract: Centaurus A is the first system in which direct evidence for a strong shock associated with radio-lobe expansion has been found, and is the nearest and most dramatic example of a jet / environment interaction. ... I will discuss the implications of these results for particle acceleration at the shock, for Centaurus A as a source of TeV radiation and UHECRs, and for shock heating in nearby and more distant galaxies. go back . ...

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• Limits on particle energies by resonant inverse Compton scattering
• Curvature radiation
• Synchrotron radiation

... In brief: the frequency-dependent radiative transfer equation is solved for a dust under assumption of spherically-symmetric geometry for its distribution taking into account particle size distribution and quantum heating effects for the very small dust particles. ... Table: Model parameters for IRAS04296+3429. ... parameter . ... hot dust shell) . ... The best fit to the spectral energy distribution of IRAS04296 is shown by heavy solid line (see Table2 for details concerning parameters of the model...

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Blackholes2 Forum Message . Forums: . ... Firtual Particles Are Not Only Particle Pairs . ... Posted by Richard Ruquist on October 19, 2004 12:03:20 UTC . ... Vacuum production of virtual particle pairs cannot violate the uncertainty principle. ... This theory is dual to the particle theory of gravitons. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Particles Are Points On Strings - an Astronomy Net Blackholes2 Forum Message
• No Higgs Particles - an Astronomy Net Blackholes Forum Message
• Particle Physics and Astronomy Research Council, AstroGuide Listing

... ,E_=v_B_z,B_z0 Light cylinder at RL U = electric voltage created by rotating BH I = large scale current I U LK Centrifugal acceleration in BH magnetosphere Assume `reasonable' B and E fields, from current I : Bz = 0 = v/v 1 Motion of a test particle P ( ) Light cylinder Pz() P() z() Here = 0.01 and = rc,i/RL = 0.01 Growth of particle Lorentz factor ( ) log k At light cylinder : = Here with initial value is the absolute maximal reachable by this process (ie no ...

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• Истомин Яков Николаевич (ФИАН)

Find Similar Abstracts . ... Interaction between free electrons and electromagnetic radiation . ... ELECTROMAGNETIC SCATTERING, ELECTRON PLASMA, FREE ELECTRONS, PARTICLE INTERACTIONS, PLASMA-ELECTROMAGNETIC INTERACTION, ANISOTROPIC MEDIA, BRIGHTNESS TEMPERATURE, CIRCULAR POLARIZATION, DIFFERENTIAL EQUATIONS, ELECTRON DISTRIBUTION, INTEGRAL EQUATIONS, KINETIC EQUATIONS, PHOTONS, SOLITARY WAVES, THERMODYNAMIC EQUILIBRIUM, THOMSON SCATTERING . ...

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• Results of calculations
• State of the problem