Observation of primary and secondary (proportional) scintillation in two-phase xenon detector

V. N. Afanasiev,V. V. Barmin,A. A. Burenkov,V. I. Demekhin,A. G. Dolgolenko,A. S. Gerasimov,V. S. Goryachev,Yu. I. Povarov,V. A. Shebanov,G. N. Smirnov,L. I. Sokolov, A. P. Solovjev,G. K. Tumanov,S. M. Zombkovsky

Physics of Atomic Nuclei（2003）

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摘要

A half-liter two-phase xenon chamber was built and primary and secondary (proportional) scintillation signals were investigated by using α particles. The energy threshold in the chamber was less than 50 keV of electron equivalent and energy resolution was 18%. The value of the spatial ( Z -coordinate) resolution achieved in the time projection chamber was about 0.4 mm.

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关键词

Elementary Particle,Xenon,Energy Resolution,Energy Threshold,Time Projection Chamber

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