Electron Drift And Diffusion In Deuterium At 293°K

doi:10.1071/ph660805

Cited by 5 publications

(1 citation statement)

References 3 publications

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“…9. Ratio of measured to predicted dw vs X 0 for pure deuterium [50]. case of a pure gas, the only process through which this happens is recombination, which is frequently dissociative, with the final products being dependent on the initial hydrogen cluster, and gas temperature and density.…”

Section: Electron-ion Recombinationmentioning

confidence: 99%

Pressurized rf cavities in ionizing beams

Freemire

Tollestrup

Yonehara

et al. 2016

Phys. Rev. Accel. Beams

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A muon collider or Higgs factory requires significant reduction of the six dimensional emittance of the beam prior to acceleration. One method to accomplish this involves building a cooling channel using high pressure gas filled radio frequency cavities. The performance of such a cavity when subjected to an intense particle beam must be investigated before this technology can be validated. To this end, a high pressure gas filled radio frequency (rf) test cell was built and placed in a 400 MeV beam line from the Fermilab linac to study the plasma evolution and its effect on the cavity. Hydrogen, deuterium, helium and nitrogen gases were studied. Additionally, sulfur hexafluoride and dry air were used as dopants to aid in the removal of plasma electrons. Measurements were made using a variety of beam intensities, gas pressures, dopant concentrations, and cavity rf electric fields, both with and without a 3 T external solenoidal magnetic field. Energy dissipation per electron-ion pair, electron-ion recombination rates, ion-ion recombination rates, and electron attachment times to $SF_6$ and $O_2$ were measured.Comment: 15 p

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Section: Electron-ion Recombinationmentioning

confidence: 99%

Pressurized rf cavities in ionizing beams

Freemire

Tollestrup

Yonehara

et al. 2016

Phys. Rev. Accel. Beams

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Precision Measurements of Electron Transport Coefficients

Elford

1972

Case Studies in Atomic Collision Physics

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Drift velocities and characteristic energies of electrons in deuterium at low and moderate E/N

Roznerski¹,

Mechlińska-Drewko²,

Leja³

et al. 1994

J. Phys. D: Appl. Phys.

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The measurements of the drift velocities and characteristic energies of electrons in deuterium are presented. Drift velocities are obtained between 3 and 125 Td by a standard Bradbury-Nielsen technique with a double set of shutters. The characteristic energy for the transverse diffusion was measured by a standard Townsend-Huxley technique to be between 3 and 1000 Td. The drift velocities and characteristic energies are in good agreement with the best available data in the range of overlap and extend the availability of the experimental data to higher E/N. The predictions based on the best available cross section sets do not match the experimental results at higher E/N above the limits of the previously available data.

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Electron Drift And Diffusion In Deuterium At 293°K

Abstract: The drift velocity and the ratio of diffusion coefficient to mobility have been measured for electrons in deuterium at 293�K over the ranges 0�006 � E/p � 5�0 and 0�006 � E/p � 2�0 respectively. The results are compared with those of other workers.

Cited by 5 publications

References 3 publications

Pressurized rf cavities in ionizing beams

Pressurized rf cavities in ionizing beams

Precision Measurements of Electron Transport Coefficients

Drift velocities and characteristic energies of electrons in deuterium at low and moderate E/N

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