... Magnetic trapping . ... 10a. Particle Drift . ... The magnetic force on a moving particle is always perpendicular to the motion, as well as to the magnetic field lines. ... Similarly with the charged particle, the magnetic and centrifugal forces are always balanced. ... Because no energy is needed to keep up the motion, it can (in principle) persist indefinitely. ... Out in space, it usually takes electric forces, not just magnetic ones, to change the total speed and energy of the particles. ...

... Magnetic trapping . ... 10a. Particle Drift . ... The magnetic force on a moving particle is always perpendicular to the motion, as well as to the magnetic field lines. ... Similarly with the charged particle, the magnetic and centrifugal forces are always balanced. ... Because no energy is needed to keep up the motion, it can (in principle) persist indefinitely. ... Out in space, it usually takes electric forces, not just magnetic ones, to change the total speed and energy of the particles. ...

Find Similar Abstracts . ... Superreflection and quantum particle production . ... GRAVITATIONAL FIELDS, PARTICLE PRODUCTION, QUANTUM MECHANICS, REFLECTED WAVES, ROTATING BODIES, WAVE AMPLIFICATION, ASTROPHYSICS, BLACK HOLES (ASTRONOMY), ELECTROMAGNETIC RADIATION . ... Use: Authors Title Abstract Text Text Query with Keywords Return: Query Results Query Form Database: Astronomy Instrumentation Physics and Geophysics ABSTRACT QUERY USER FEEDBACK HELP ...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Introduction.. ... Combining measurements of the thermal Sunyaev--Zel'dovich effect with X-ray data allows calculation of a direct, physical estimate of Hubble's Constant ( ) without the need for distance-ladder-type arguments. ... 1 Introduction . ... 3 Calculating Hubble's Constant . 4 Errors In Determination of . ... PPEUC Proceedings . Fri Jun 27 15:29:33 BST 1997 ...

... Spectrosc., 90 , 574-579. [ abstract (in English; ASCII file); paper (in Russian; PS file)] . ... Astronomy Letters, 26 , N 10, 679-690. [ abstract (ASCII file); paper (PDF file)] . ... 2001) . ... 72 , N 5, 607-612. [ abstract (ASCII file); paper (PS file)] . ... Scattering and polarization properties of the non-spherical particles. in: Smith W.L., Timofeyev Y.M. (eds.) IRS 2000: Current Problems in Atmospheric Radiation, A.Deepak Publ. (in press) [ abstract (ASCII file); paper (PS file)] . ...

Next: Imaging by an Optimizing Method . ... A big advantage of this numerical integrator is its stability: the error in the semi-major axis and the eccentricity depends only on the step size and does not grow with an increasing number of time steps. ... As the integration time increases, the numerical results become more contaminated by various errors. ... A new symplectic integrator produces no secular truncation errors in the actions of a Hamiltonian system. ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Cosmic engine for senior students . ... The Propagation of Cosmic Rays from the Vicinity of the Galactic Centre . ... There is now evidence that there may be a strong source of cosmic ray particles in the general direction of the galactic centre. ... Keywords: cosmic rays - ISM: magnetic fields . ...

Abstract . A first-generation CMOS Charged Particle Spectrometer chip [1] was designed at JPL for flight on the STRV-2 spacecraft. These devices will collect electron and proton spectra in low Earth orbit as part of an experiment to demonstrate Active Pixel Sensor (APS) technology in space. This paper presents the results of total dose testing on these chips and, where possible, attempts to extend the results to other Active Pixel Sensors. ...

... Recent developments in the application of the theory of line formation, joined to the increased sensitivity of instrumental techniques, augmented the number of observable quantities related to the magnetic fields of such a class of stars. ... Through the formalism of the spherical tensorial calculus, analythical formulae for most of the observable quantities are provided for a magnetic field of arbitrary complexity. ...

... The dependence of velocity ellipsoid parameters for various types stars upon theirage was investigated. ... For metal-rich stars ([Fe/H] -0.1) the shape of velocity ellipsoid becomes more spherical with increasing age of the stellar group and it approaches the equilibrium shape. ... По данным uvby -фотометрии, изохронным возрастам и собственным движениям ~3500 F -звезд диска в окрестности 80 пс от Солнца исследованы зависимости параметров эллипсоидов скоростей различных звезд от возраста. ...

Proposal Identification No.: A1901 Date Received: 2004­Jan­29 18:49:22 Technical Page Proposal Type: Regular General Category: Astronomy Sub­Category: Spectroscopy Observation Category: Galactic Total Time Requested: 20 Hours Proposal Title: OH Zeeman Test of Faraday Rotation in Dark Cloud Envelopes ABSTRACT: The magnetic support model for star formation has ambipolar di#usion increasing the mass­to­magnetic flux ratio in cores until they become magnetically supercritical and collapse. ...

... Acceleration of particles in the vicinity of a massive black hole We propose a two-step mechanism for charged particle acceleration in the magnetosphere of a massive black hole surrounded by an accretion disk. Particles first gain energy by stochastic process during the accretion phase. It is shown that effective proton acceleration up to energies eV is possible in the turbulent magnetized accretion disk. ...