Open AccessDevelopment and performance tests of μ-PIC with DLC electrodes
Author(s) -
A. Ochi,
F. Yamane,
Y. Ishitobi,
Hikaru Setsuda
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1498/1/012001
Subject(s) - resistive touchscreen , tracking (education) , large hadron collider , detector , cathode , optics , upgrade , beam (structure) , materials science , physics , charged particle , foil method , optoelectronics , nuclear physics , electrical engineering , computer science , ion , engineering , composite material , operating system , psychology , pedagogy , quantum mechanics
Micro pixel chambers ( μ -PIC) with resistive cathodes have been developed as particle tracking/imaging detectors in high-rate high ionizing particle (HIP) environments. A main target of their development is as a forward muon detector in the ATLAS phase-2 upgrade. The cathode is made from DLC (diamond-like carbon) thin foil by the liftoff method. Using the resistive cathodes, the discharge (spark) probability within the HIP environment was reduced (10-1000 times) and two-dimensional readouts for the incident particles are available using a 400-micron pitch separated pixel array. We measured the tracking performances for the charged particles using a 140 GeV muon beam in CERN’s H4 beam line and also measured the imaging properties of 8 keV X-rays. Two-dimensional fine position resolutions (< 100 micron) were obtained. These results show that the resistive μ -PIC is one of strong candidate for forthcoming high-rate particle experiments.