Performance of the TPC with Micro Pixel Chamber Readout: micro-TPC

Details Performance of the TPC with Micro Pixel Chamber Readout: micro-TPC Performance of the TPC with Micro Pixel Chamber Readout: micro-TPC

2003-01-10

arxiv.org/abs/hep-ex/0301012v2

IEEE Trans.Nucl.Sci. 50 (2003) 825-830

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages 16 figures, submitted for IEEE/TNS 2002

Scientific paper

10.1109/TNS.2003.814564

Micro-TPC, a time projection chamber(TPC) with micro pixel chamber($\mu$-PIC) readout was developed for the detection of the three-dimensional fine(sub-m illimeter) tracks of charged particles. We developed a two-dimensional position sensitive gaseous detector, or the $\mu$-PIC, with the detection area of 10$\times$10 cm${}^{2}$ and 65536 anode electrodes of 400 $\mu$m pitch. We achieved the gas gain of over 10000 without any other multipliers. With the pipe-line readout system specially developed for the $\mu$-PIC, we detected X-rays at the rate as high as 7.7 Mcps. We attached a drift cage with an 8 cm drift length to the $\mu$-PIC and developed a micro-TPC. We measured the basic performances of the micro-TPC and took three-dimensional tracks of electrons. We also developed a prototype of the MeV gamma-ray imaging detector which is a hybrid of the micro-TPC and NaI(Tl) scintillators and confirmed its concept by reconstructing the obtained data.

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