Development of μ-PIC with resistive electrodes using sputtered carbon

Development of μ-PIC with resistive electrodes using sputtered carbon

The Micro Pixel Chamber (μ-PIC) has been developed for a hadron-collider experiment. The main purpose is detecting Minimum Ionizing Particles (MIP) under high-rate Highly Ionizing Particles (HIP) environment. In such an environment, sufficient gain to detect MIP is needed, but continuous sparks will...

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Bibliographic Details
Main Authors: Yamane Fumiya, Ochi Atsuhiko, Homma Yasuhiro, Yamauchi Satoru, Nagasaka Noriko, Hasegawa Hiroaki, Kawamoto Tatsuo, Kataoka Yosuke, Masubuchi Tatsuya
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201817404001
Description
Summary:The Micro Pixel Chamber (μ-PIC) has been developed for a hadron-collider experiment. The main purpose is detecting Minimum Ionizing Particles (MIP) under high-rate Highly Ionizing Particles (HIP) environment. In such an environment, sufficient gain to detect MIP is needed, but continuous sparks will be caused by high-rate HIP. To reduce sparks, cathodes are made of resistive material. In this report, sputtered carbon was used as a new resistive cathode. Gas gain >104 was achieved using an 55Fe source. This value is sufficient to detect MIP without GEM or other floating structures. Also, thanks to production improvement, pixels are well aligned in the entire detection area.
ISSN:2100-014X

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