Results 271 to 280 of about 357,505 (313)
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Studies of localized space-charge waves in space-charge dominated beams
Proceedings Particle Accelerator Conference, 2002The results of the experiments on localized space-charge waves are presented. This includes the generation and propagation of space-charge waves in coasting beams, the end effect on space-charge waves in bunched beams, and the application of localized space-charge waves to beam diagnostics.
J.G. Wang, M. Reiser
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The space charge smoothing factor
Journal of the Institution of Electrical Engineers, 1951The author has recently expressed the properties of a planar diode in terms of a set of differential coefficients, many of which can be experimentally determined. In the present paper these differential coefficients are used to derive a relation between the anode-current fluctuations and the fluctuation in the total emission.The fluctuation in the ...
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The space charge due to corona
Electrical Engineering, 1948A new technique for measuring the field strength and deducing the ion density about a wire in corona is needed. One such new method is measurement of a-c corona directly with a crystal galvanometer connected between two probe screens. The net space charge density was derived from the field strength curves in a single mathematical step, using Poisson's ...
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Proceedings of the Physical Society. Section B, 1950
The paper is mainly concerned with one type of congruent flow, namely irrotational flow, and propositions are established regarding (a) rectilinear motion, (b) motion in which the current density is constant along lines of flow and (c) the representation of lines of flow by the level lines of a harmonic function.
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The paper is mainly concerned with one type of congruent flow, namely irrotational flow, and propositions are established regarding (a) rectilinear motion, (b) motion in which the current density is constant along lines of flow and (c) the representation of lines of flow by the level lines of a harmonic function.
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On the (Apparent) Paradox between Space-Charge Forces and Space-Charge Effects
2022With the advent of high-intensity linacs, space charge forces are now well known as a major issue causing undesirable effects on particle beam qualities like emittance growth or sudden losses. They should be stronger when there are more particles or when the latter are contained in a smaller volume.
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Seven-Dimensional Charge Space
Physical Review, 1960The classification of particles according to quantum numbers arising from the rotational symmetries of strong and weak interaction in a seven dimensional isospace is presented. In all practical cases for strong interactions, this seven dimensional space splits into a four dimensional and a three dimensional independent isospaces similar to those ...
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Nature Energy, 2020
Nature Energy Changjun Zhang You can also search for this author in PubMed Google Scholar Correspondence to Changjun Zhang. Reprints and Permissions Zhang, C. Extra space charge. Nat Energy 5, 638 (2020). https://doi.org/10.1038/s41560-020-00700-w Download citation Published: 16 September 2020 Issue Date: September 2020 DOI: https://doi.org/10.1038 ...
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Nature Energy Changjun Zhang You can also search for this author in PubMed Google Scholar Correspondence to Changjun Zhang. Reprints and Permissions Zhang, C. Extra space charge. Nat Energy 5, 638 (2020). https://doi.org/10.1038/s41560-020-00700-w Download citation Published: 16 September 2020 Issue Date: September 2020 DOI: https://doi.org/10.1038 ...
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AIP Conference Proceedings, 1998
The presence of space charge affects the value of the dispersion function. On the other hand dispersion has a role in shaping the beam distribution and therefore in determining the resulting forces due to space charge. In this paper we present a framework where the interplay between space charge and dispersion for a continuous beam can be ...
Marco Venturini +2 more
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The presence of space charge affects the value of the dispersion function. On the other hand dispersion has a role in shaping the beam distribution and therefore in determining the resulting forces due to space charge. In this paper we present a framework where the interplay between space charge and dispersion for a continuous beam can be ...
Marco Venturini +2 more
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IEEE Transactions on Nuclear Science, 1973
A systematic study of single gap prebunching, including the effects of space charge, has been undertaken, using the second moment of the charge distribution as a measure of bunching action. Generalities of the bunching process are discussed.
J. J. Olcese +3 more
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A systematic study of single gap prebunching, including the effects of space charge, has been undertaken, using the second moment of the charge distribution as a measure of bunching action. Generalities of the bunching process are discussed.
J. J. Olcese +3 more
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Journal of Applied Physics, 1949
An earlier paper presented equations for increasing waves in the presence of two streams of charged particles having different velocities, and solved the equations assuming the velocity of one group of particles to be zero or small. Numerical solutions giving the rate of increase and the phase velocity of the increasing wave for a wide range of ...
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An earlier paper presented equations for increasing waves in the presence of two streams of charged particles having different velocities, and solved the equations assuming the velocity of one group of particles to be zero or small. Numerical solutions giving the rate of increase and the phase velocity of the increasing wave for a wide range of ...
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