A columnar cesium iodide (Csl) drift plane layer for gas avalanche microdetectors

H. S. Cho; W. S. Hong

doi:10.1109/23.682393

A columnar cesium iodide (Csl) drift plane layer for gas avalanche microdetectors

H. S. Cho, W. S. Hong

Department of Materials Science and Engineering

University of California at Berkeley

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A new method is proposed to improve the spatial and time resolutions, and the detection efficiency with respect to the angle of the incident particles, for gas avalanche micro detectors. The new technique uses a thin (-200 μm) columnar Csl layer at the drift plane that acts as an efficient source of electrons produced by secondary emission due to the incident particles, and as an electron multiplier. In this paper, we present the measurements of the electron multiplication factor and detection efficiency of this layer, using a ⁹⁰Sr β-source.

Original language	English
Pages (from-to)	275-279
Number of pages	5
Journal	IEEE Transactions on Nuclear Science
Volume	45
Issue number	3 PART 1
DOIs	https://doi.org/10.1109/23.682393
State	Published - 1998

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abstract = "A new method is proposed to improve the spatial and time resolutions, and the detection efficiency with respect to the angle of the incident particles, for gas avalanche micro detectors. The new technique uses a thin (-200 μm) columnar Csl layer at the drift plane that acts as an efficient source of electrons produced by secondary emission due to the incident particles, and as an electron multiplier. In this paper, we present the measurements of the electron multiplication factor and detection efficiency of this layer, using a 90Sr β-source.",

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A columnar cesium iodide (Csl) drift plane layer for gas avalanche microdetectors

Abstract

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