A Novel Method to Improve the Spatial Resolution of GEM Neutron Detectors With a Stopping Layer
نویسندگان
چکیده
The gas electron multiplier (GEM) detector in combination with a solid converter has been widely used the field of neutron detection recent decades. Typically, sub-millimeter is an important indicator for detectors to satisfy many applications requiring high spatial resolution. This paper proposes novel method improve resolution ceramic GEM by adding stopping layer on top 10B4C converter. will restrict emission secondary ion products large angles and consequently Monte Carlo program FLUKA validate method, verification experiments are carried out at beam line #20 (BL20) China Spallation Neutron Source (CSNS). experimental results approximately agreement simulations. measured 1.87 mm operated ambient pressure 1-μm-thick drift gap 4 mm, eventually, it improved ~0.8 coating 3-μm-thick titanium
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ژورنال
عنوان ژورنال: IEEE Transactions on Nuclear Science
سال: 2021
ISSN: ['0018-9499', '1558-1578']
DOI: https://doi.org/10.1109/tns.2021.3135929