Sealed operation, and circulation and purification of gas in the HARPO TPC

M Frotin, P Magnier, Y Geerebaert, V Dauvois,Denis Bernard,Philippe Gros,A Delbart, I Semeniouk,D Attie,P Poilleux, D Durand, S Legand

Epj Web of Conferences（2018）

引用 8|浏览12

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摘要

HARPO is a time projection chamber (TPC) demonstrator of a gamma-ray telescope and polarimeter in the MeV-GeV range, for a future space mission. We present the evolution of the TPC performance over a five month sealed-mode operation, by the analysis of cosmic-ray data, followed by the fast and complete recovery of the initial gas properties using a lightweight gas circulation and purification system.

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关键词

gas,cosmic radiation

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