Аннотация

A study of proportional electroluminescence in two-phase argon is relevant in the field of noble-gas liquid detectors for dark matter search and low-energy neutrino experiments. In this work, we continued to study proportional electroluminescence (EL) in two-phase argon doped with a minor (9 ppm) admixture of nitrogen, in the VUV, UV and visible spectral ranges. We confirmed the effect of enhancement of the EL yield, as well as the presence of a non-VUV component in addition to that of VUV, in proportional electroluminescence in two-phase Ar. On the other hand, the contribution of the non-VUV component determined here within the model of N2 emission in the UV, turned out to be insufficient to explain the enhancement of the EL yield. Hence, the problem of proportional electroluminescence in two-phase Ar remains unresolved.

Язык оригиналаанглийский
Номер статьи05016
Число страниц13
ЖурналJournal of Instrumentation
Том12
Номер выпуска5
DOI
СостояниеОпубликовано - 30 мая 2017

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