A scintillating bar tracking detector for the ASACUSA - "trap group" experiment at the CERN AD

被引：0
|
作者：
Mascagna, V. [1 ,2 ,3 ,4 ]
Bolognini, D. [1 ,2 ]
Corradini, M. [3 ,4 ]
Leali, M. [3 ,4 ]
Lietti, D. [1 ,2 ]
Rizzini, E. Lodi [3 ,4 ]
Prest, M. [1 ,2 ]
Stoppani, L. [1 ,2 ]
Vallazza, E. [5 ]
Venturelli, L. [3 ,4 ]
Zurlo, N. [3 ,4 ]
机构：
[1] Univ Insubria, Dipartimento Fis, Via Valleggio 11, I-22100 Como, Italy
[2] INFN Milano Bicocca, I-20126 Milan, Italy
[3] Univ Brescia, Dipartimento Chim & Fis Ingn & Mat, Brescia, Italy
[4] INFN Sez Pavia Gr Coll Brescia, Pavia, Italy
[5] INFN Sez Trieste, I-34012 Trieste, Italy
来源：
ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS | 2010年 / 5卷
关键词：
scintillating bars; tracking; antiproton; ASACUSA;
D O I：
10.1142/9789814307529_0016
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The ASACUSA trap group aim is the production and the study of antihydrogen at the CERN AD (Antiproton Decelerator). After the end of 2007, when the first results were obtained, it was evident that to improve the trapping efficiency of the antiprotons, their annihilation position within the electromagnetic trap had to be reconstructed. A scintillating bar detector, capable of tracking the charged pions produced in the annihilations, has been built for this purpose. The detector consists in 4 XY-modules, made of 96 cm long scintillating bars readout by multianode photomultipliers. The anode outputs are managed by dedicated electronics boards equipped with VA64TAP2.1 (Gamma Medica, Ideas) ASICs and ALTERA FPGAs. This paper describes the design and the commissioning of the 4 modules in 2008 and some preliminary results of the 2009 data taking.
引用
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页码：90 / 95
页数：6
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