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Electric hexapoles and octopoles with optimized circular section rods

DSpace at IIT Bombay

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Title Electric hexapoles and octopoles with optimized circular section rods
 
Creator RAO, VVKR
BHUTANI, A
 
Subject ion
quadrupole
beam
hexapole
octopole
quadrupole
potential distribution
ion optics
 
Description The SIMION 3D Version 6 program has been used to find the potential distributions in various hexapole and octopole assemblies with rods of circular cross section, mounted inside a shield electrode. The deviations of these potentials from the theoretical potentials of an ideal geometry have been computed and plotted. From the study of several geometries, each with different rod to held radius ratios (r(rod),/r(o)), an optimum value for the ratio that gives least deviations has been found for both the hexapole and the octopole geometries. The optimum value of (r(rod)/r(o)) for a hexapole is 0.5375 and that for the octopole is 0.355. (Int J Mass Spectrom 202 (2000) 31-36) (C) 2000
 
Publisher ELSEVIER SCIENCE BV
 
Date 2011-07-24T22:20:27Z
2011-12-26T12:48:25Z
2011-12-27T05:37:57Z
2011-07-24T22:20:27Z
2011-12-26T12:48:25Z
2011-12-27T05:37:57Z
2000
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, 202(1-3), 31-36
1387-3806
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6556
http://hdl.handle.net/10054/6556
 
Language en