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May 18 – 20, 2015
National Superconducting Cyclotron Laboratory
US/Michigan timezone
Registration deadline Sunday, 9 May!

Integration of GET electronics on TPC for HIC program at RIBF

May 19, 2015, 2:25 PM
Lecture Hall (National Superconducting Cyclotron Laboratory)

Lecture Hall

National Superconducting Cyclotron Laboratory

640 South Shaw Lane East Lansing, MI 48824
Oral Presentation Techinical issues Session 7


Tadaaki Isobe (RIKEN)


A Time Projection Chamber~(TPC) for the heavy ion collision experiments has been produced as the main detector of SAMURAI-SPiRIT project for the study of nuclear equation of state. As the readout system for the SPiRIT-TPC, we are integrating the GET system, which stands for the Genaral Electronics for Tpc and was developed mainly by France and USA collaboration. For the integration of GET electronics, development of interfaces in terms of both hardware and software are nessesary. For example, the interface of the electronics of GET to TPC depending on the each detector specifications, such as type of connector and characteristics of detector signal, has to be developed. We call such interface ZAP board, which is for adapting connector on TPC and for protection of electrical circuit. The board was designed to fit in the space on the TPC which is supposed to be installed in SAMURAI chamber, to reduce the noise to gain the dynamic range, and to reduce the distortion of gain among the different channel. The achived noise level with our ZAP is 4~ADC under the configuration of dynamic range of 120~fC and shaping time of 233~nsec. It can be reduced to be 2$\sim$3~ADC after the subtraction of fixed noise pattern line which is not connected to TPC pads. In addition to the report of the status of development and intergration of electronics, the benchmark test data of GET system on Brahms-TPC performed at HIMAC at 2014 Nov will be presented. This material is based on work supported by the DOE under Grant No. DE-SC0004835, and Japanese MEXT Grant No. 24105004.

Primary author


Ms Ann-Kathrin Perrevoort (RIKEN) Dr Atsushi Taketani (RIKEN) Prof. Betty Tsang (Michigan State University) Mr Genie Jhang (Korea University) Dr Hidetada Baba (RIKEN) Prof. Hiroyoshi Sakurai (RIKEN/U-Tokyo) Mr Jonathan Barney (NSCL) Dr Kenji Hosomi (JAEA) Dr Mizuki Kurata-Nishimura (RIKEN) Mr Noritsugu Nakatsuka (Kyoto University) Dr Shoichi Hasegawa (JAEA) Dr Tetsuya Murakami (Kyoto University) Prof. William Lynch (NSCL) Mr William Powell (University of Liverpool) Dr Yassid Ayyad (Research Center for Nuclear Physics)

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