Study on the Arrival Time Spectra of Electron Swarms in N<sub>2</sub>

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Other Title
  • N<sub>2</sub>気中の電子スウォーム到着時間分布解析
  • N2気中の電子スウォーム到着時間分布解析
  • N2 キチュウ ノ デンシ スウォーム トウチャク ジカン ブンプ カイセキ

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Abstract

In this study, the electron swarm parameters defined by the arrival-time distributions of electrons in N2 are calculated by a Boltzmann equation method, and the newly-introduced evolution equation which includes these parameters is solved to derive the theoretical arrival-time distributions. The new evolution equation is deduced by the interchange of space and time in the conventional continuity equation. The calculated results of the parameters and of the arrival-time distributions are compared with those by a conventional time-of-flight (TOF) experiment using the double-shutter drift tube. It is shown that the theory introduced in this study directly corresponds to the conventional TOF experiments.

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