Readout System of TPC/MPD NICA Project

被引：3

作者：

Averyanov, A. V. ^{[1
]}

Bajajin, A. G. ^{[1
]}

Chepurnov, V. F. ^{[1
]}

Cheremukhina, G. A. ^{[1
]}

Fateev, O. V. ^{[1
]}

Korotkova, A. M. ^{[1
]}

Levchanovskiy, F. V. ^{[1
]}

Lukstins, J. ^{[1
]}

Movchan, S. A. ^{[1
]}

Razin, S. V. ^{[1
]}

Rybakov, A. A. ^{[1
]}

Vereschagin, S. V. ^{[1
]}

Zanevsky, Yu V. ^{[1
]}

Zaporozhets, S. A. ^{[1
]}

Zruyev, V. N. ^{[1
]}

机构：

[1] Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Moscow Oblast, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2015年 / 78卷 / 13期

关键词：

NICA; particle tracking detectors; time projection chamber;

D O I：

10.1134/S1063778815130013

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The time-projection chamber (TPC) is the main tracking detector in the MPD/NICA. The information on charge-particle tracks in the TPC is registered by the MWPG with cathode pad readout. The front-end electronics (FEE) are developed with use of modern technologies such as application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), and data transfer to a concentrator via a fast optical interface. The main parameters of the FEE are as follows: total number of channels, similar to 95 000; data stream from the whole TPC, 5 GB/s; low power consumption, less than 100 mW/ch; signal to noise ratio (S/N), 30; equivalent noise charge (ENC), <1000e(-) (C-in = 10-20 pF); and zero suppression (pad signal rejection similar to 90%). The article presents the status of the readout chamber construction and the data acquisition system. The results of testing FEE prototypes are presented.

引用

页码：1556 / 1562

页数：7

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