Development of the Readout and Data-Acquisition System for the RICH Detector of the CBM Experiment

被引：0
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作者：
J. Adamczewski-Musch
P. G. Akishin
K.-H. Becker
S. G. Belogurov
J. Bendarouach
N. I. Boldyreva
C. Deveaux
V. V. Dobyrn
M. Dürr
J. Eschke
J. Förtsch
J. Heep
C. Höhne
K.-H. Kampert
A. V. Khanzadeev
L. M. Kochenda
J. Kopfer
P. A. Kravtsov
I. Kres
S. A. Lebedev
E. I. Lebedeva
E. N. Leonova
S. V. Linev
T. Mahmoud
W. Niebur
E. V. Ovcharenko
V. Patel
C. Pauly
M. Penschuck
D. Pfeifer
S. Querchfeld
J. Rautenberg
S. Reinecke
Yu. G. Riabov
E. V. Roshchin
V. M. Samsonov
V. N. Schetinin
O. P. Tarasenkova
M. Traxler
C. Ugur
M. E. Vznuzdaev
机构：
[1] GSI Helmholtz Zentrum für Schwerionen Forschung GmbH,Joint Institute for Nuclear Research
[2] Laboratory of Information Technologies,Department of Physics
[3] Wuppertal University,National Research Nuclear University
[4] Moscow Engineering Physics Institute,Institute of Physics II and Institute of Applied Physics
[5] Justus Liebig University Giessen,Konstantinov Petersburg Nuclear Physics Institute
[6] National Research Center Kurchatov Institute,Institut für Kernphysik
[7] Göthe University Frankfurt,undefined
[8] Bauman Moscow State Technical University,undefined
来源：
Instruments and Experimental Techniques | 2018年 / 61卷
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摘要：
A 64-channel readout and data-acquisition module is described in detail. It consists of an H12700 multianode photomultiplier tube, four PADIWA preamplifier boards, and a TRB v3 card that perform the functions of a time-to-digital converter and a data concentrator. The software modules that are necessary for operation of the prototype are described. The inter-channel delays are calibrated. The drift of individual delays does not exceed 0.5 ns for the entire measurement time. The spectra of the “time over threshold” (ToT) are investigated. The influence of periodic noise pickups and the need to improve circuit designs are revealed. The timing properties of the wavelength shifter and its effect on the detection efficiency for Cherenkov rings are investigated. The most intense component is characterized by a decay time of 1.1 ns and there are components with characteristic times of 3.8 and 45 ns. The influence of single-electron spectrum features on the detection efficiency for photoelectrons and the probability of false hits are determined. The total time resolution of 131 channels is 1.1 ns (FWHM). The results make it possible to use the investigated system of readout and data acquisition in the CBM experiment. Nevertheless, the elimination of the revealed shortcomings will provide the efficiency margin and improve the reliability of the system during long-term operation.
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页码：332 / 348
页数：16
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