Speaker
Mr
Fumiya Yamane
(Kobe Univ.)
Description
Micro-Pixel chamber (μ-PIC) with resistive electrodes has been developed for particle tracking detector in the environment of high rate HIP (Highly Ionizing Particles). One of the target of this development is ATLAS Muon Tagger that is considered to be disposed at phase-2 upgrade. The amplification region of μ-PIC is separated by isolated pixels, so it is expected to separate multi incident tracks with high position resolution. In our previous research resistive μ-PIC has succeeded to get enough gain for observing minimum ionizing particles and to suppress the sparks. As new developments, sputtered carbon is used as resistive cathode strips which are arranged by 400μm pitch with 250μm diameter hole. Very fine pattern can be formed with lift off process and resistivity is well controlled by varying its thickness (50-500nm) and nitrogen doping. Physical and chemical toughness of the resistive electrodes are realized by its diamond-like carbon structure. The gain measurement and spark tolerant test by fast neutron irradiation will be reported.
Primary author
Mr
Fumiya Yamane
(Kobe Univ.)
Co-authors
Mr
Atsuhiko Ochi
(Kobe Univ.)
Mr
Hiroaki Hasegawa
(Kobe Univ.)
Ms
Nagasaka Noriko
(Kobe Univ.)
Mr
Satoru Yamauchi
(Kobe Univ.)
Mr
Tatsuo Kawamoto
(Tokyo ICEPP)
Mr
Tatsuya Masubuchi
(Tokyo ICEPP)
Mr
Yasuhiro Homma
(Kobe Univ.)
Mr
Yousuke Kataoka
(Tokyo ICEPP)