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ELSEVIER
DOI: 10.1016/j.nima.2021.165734
Keywords
Heavy-ion detectors; Particle tracking detectors; Particle tracking detectors (Gaseous detectors)
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Education, Republic of Korea [NRF-2018R1D1A1B070 48941]
- NRF of Korea [2013M7A1A1075764]
- Korea University
- Rare Isotope Science Project of the Institute for Basic Science - Ministry of Science and ICT
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In this study, position-sensitive parallel plate avalanche counters (PPACs) were fabricated and tested for the Rare Isotope Science Project in Korea. The detectors showed a detection efficiency greater than 99% and position and time resolutions of 380 μm and 520 ps FWHM, respectively, indicating their potential for high performance in detecting rare isotopes.
We have fabricated and tested position-sensitive parallel plate avalanche counters (PPACs) for the Rare Isotope Science Project in Korea. These detectors have active areas of 10 cm x 10 cm with a stripped electrode structure. A delay line readout was employed to obtain the position information. Detector performance was tested with an Am-241 alpha source. The detection efficiency, position, and time resolutions were studied with C3F8 gas pressures from 4 to 28 Torr and high voltages from 650 to 1100 V. Detection efficiency was greater than 99%. The position and time resolutions were measured to be 380 mu m and 520 ps of full-width at half maximum (FWHM), respectively.
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