A TRANSITION RADIATION DETECTOR FOR PARTICLE ASTROPHYSICS EXPERIMENTS USING LOW-POWER CONSUMPTION ELECTRONICS

被引：1

作者：

BELLOTTI, R ^{[1
]}

CAFAGNA, F ^{[1
]}

CALICCHIO, M ^{[1
]}

DECATALDO, G ^{[1
]}

DEMARZO, C ^{[1
]}

ERRIQUEZ, O ^{[1
]}

FAVUZZI, C ^{[1
]}

FUSCO, P ^{[1
]}

GIGLIETTO, N ^{[1
]}

MARANGELLI, B ^{[1
]}

RAINO, A ^{[1
]}

SPINELLI, P ^{[1
]}

STAGNO, V ^{[1
]}

机构：

[1] INFN,SEZ BARI,BARI,ITALY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1992年 / 323卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(92)90271-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have designed a transition radiation detector (TRD) of about 75 x 80 cm2 active surface to discriminate positrons from protons in an experiment to be performed on balloon flights to search for primordial antimatter. The TRD is made of ten modules consisting of a carbon fiber radiator followed by a multiwire proportional chamber (MWPC). In order to achieve a proton-electron rejection factor of the order of 10(-3) with a strict limitation on power consumption to 35 mW per MWPC channel, as required by experimental constraints, we have developed and tested a prototype based on low power consumption ''cluster counting'' electronics. Comparisons of the performances of this prototype are made with those of a previous similar detector equipped with standard fast electronics and an analogous TRD from other authors.

引用

页码：71 / 77

页数：7

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