首页|Absolute partial and total ionization cross sections of carbon monoxide with electron collision from 350 eV to 8000 eV
Absolute partial and total ionization cross sections of carbon monoxide with electron collision from 350 eV to 8000 eV
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The absolute partial and total cross sections for electron impact ionization of carbon monoxide are reported for electron energies from 350 eV to 8000 eV.The product ions(CO+,C+,O+,CO2+,C2+,and O2+)are measured by employing an ion imaging mass spectrometer and two ion-pair dissociation channels(C++O+and C2++O+)are identified.The absolute cross sections for producing individual ions and their total,as well as for the ion-pair dissociation channels are obtained by normalizing the data of CO+to that of Ar+from CO-Ar mixture target with a fixed 1:1 ratio.The overall errors are evaluated by considering various kinds of uncertainties.A comprehensive comparison is made with the available data,which shows a good agreement with each other over the energy ranges that are overlapped.This work presents new cross-section data with electron energies above 1000 eV.
electron impactionization cross sectionscarbon monoxideion imaging mass spectrometer
Taj Wali Khan、黄伟哲、王恩亮、单旭、陈向军
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Hefei National Research Center of Physical Sciences at the Microscale and Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China
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