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Title: Optimum extracted H{sup {minus}} and D{sup {minus}} current densities from gas-pressure-limited high-power hydrogen/deuterium tandem ion sources

Abstract

The tandem hydrogen/deuterium ion source is modelled for the purpose of identifying the maximum current densities that can be extracted subject to the gas-pressure constraints proposed for contemporary beam-line systems. Optimum useful extracted current densities are found to be in the range of approximately 7 to 10 mA cm{sup {minus}2}. The sensitivity of these current densities is examined subject to uncertainties in the underlying atomic/molecular rate processes; A principal uncertainty remains the quantification of the molecular vibrational distribution following H{sub 3{sup +}} wall collisions.

Authors:
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10178350
Report Number(s):
UCRL-JC-114625; CONF-9308136-1
ON: DE93018090; TRN: 93:018919
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Conference: 5. international conference on ion sources,Beijing (China),31 Aug - 4 Sep 1993; Other Information: PBD: 14 Jul 1993
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ION SOURCES; BEAM EXTRACTION; CURRENT DENSITY; TANDEM ELECTROSTATIC ACCELERATORS; HYDROGEN; DEUTERIUM; VIBRATIONAL STATES; 430301

Citation Formats

Hiskes, J.R. Optimum extracted H{sup {minus}} and D{sup {minus}} current densities from gas-pressure-limited high-power hydrogen/deuterium tandem ion sources. United States: N. p., 1993. Web.
Hiskes, J.R. Optimum extracted H{sup {minus}} and D{sup {minus}} current densities from gas-pressure-limited high-power hydrogen/deuterium tandem ion sources. United States.
Hiskes, J.R. Wed . "Optimum extracted H{sup {minus}} and D{sup {minus}} current densities from gas-pressure-limited high-power hydrogen/deuterium tandem ion sources". United States. https://www.osti.gov/servlets/purl/10178350.
@article{osti_10178350,
title = {Optimum extracted H{sup {minus}} and D{sup {minus}} current densities from gas-pressure-limited high-power hydrogen/deuterium tandem ion sources},
author = {Hiskes, J.R.},
abstractNote = {The tandem hydrogen/deuterium ion source is modelled for the purpose of identifying the maximum current densities that can be extracted subject to the gas-pressure constraints proposed for contemporary beam-line systems. Optimum useful extracted current densities are found to be in the range of approximately 7 to 10 mA cm{sup {minus}2}. The sensitivity of these current densities is examined subject to uncertainties in the underlying atomic/molecular rate processes; A principal uncertainty remains the quantification of the molecular vibrational distribution following H{sub 3{sup +}} wall collisions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jul 14 00:00:00 EDT 1993},
month = {Wed Jul 14 00:00:00 EDT 1993}
}

Conference:
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