Construction and tests of the MRPC detectors for TOF in ALICE

Akindinov, A.; Alici, A.; Antonioli, P.; Arcelli, S.; Baek, Y. W.; Basile, M.; Romeo, G.; Cindolo, F.; De, A.; Gruttola, D. De; Pasquale, S. De; Girard, M. Fusco; Guarnaccia, Claudio; Hatzifotiadou, D.; Jung, H.; Jung, W.; Kim, D.S.; Kim, D.W.; Kim, H.N.; Kim, J.S.; Kiselev, S.; Laurenti, G.; Lee, K.; Lee, S.C.; Luvisetto, M.L.; Mal’Kevich, D.; Margotti, A.; Nania, R.; Nedosekin, A.; Noferini, F.; Pagano, P.; Pesci, A.; Preghenella, R.; Russo, G.; Ryabinin, M.; Scapparone, E.; Scioli, G.; Silenzi, A.; Tchoumakov, M.; Voloshin, K.; Williams, M. C. S.; Zagreev, B.; Zichichi, A.

doi:10.1016/j.nima.2008.12.075

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…Based on the glass MRPC described, the ALICE TOF detector is a modular structure with 18 sectors covering the full azimuthal angle and five segments in the longitudinal coordinate along the beam axis; the MRPCs are housed in gas tight modules and assembled in groups of five constituting a 'supermodule'. The picture in Figure 12.20 shows one of the supermodules prior to installation (Akindinov et al, 2009); Figure 12.21 illustrates the particle identification power of the detector, combining TOF with the particle momentum measured by magnetic deflection (Akindinov et al, 2012).…”

Section: Multi-gap Rpcsmentioning

confidence: 99%

“…An example of the results is shown in Figure 12.23, the evolution of the charge density and of the electric field in the gap at successive time intervals following the ionization process (Doroud et al, 2009a). The high density of negative ions and consequent recombination with the positive ions generated in the avalanches Figure 12.20 One of the MRPC supermodules of the ALICE TOF system (Akindinov et al, 2009). By kind permission of Elsevier.…”

Section: Simulations Of Rpc Operationmentioning

confidence: 99%

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Gaseous Radiation Detectors

Sauli

2014

112

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Widely used in high-energy and particle physics, gaseous radiation detectors are undergoing continuous development. The first part of this book provides a solid background for understanding the basic processes leading to the detection and tracking of charged particles, photons, and neutrons. Continuing then with the development of the multi-wire proportional chamber, the book describes the design and operation of successive generations of gas-based radiation detectors, as well as their use in experimental physics and other fields. Examples are provided of applications for complex events tracking, particle identification, and neutral radiation imaging. Limitations of the devices are discussed in detail. Including an extensive collection of data and references, this book is ideal for researchers and experimentalists in nuclear and particle physics.

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Section: Multi-gap Rpcsmentioning

confidence: 99%

Section: Simulations Of Rpc Operationmentioning

confidence: 99%

Gaseous Radiation Detectors

Sauli

2014

112

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“…The Multigap Resistive Plate Chamber is a type of gas detector developed at CERN in the late 1990s [7,8]. Due to their excellent time resolution, MRPCs are widely used in the construction of multiple time-of-flight (TOF) systems [9][10][11]. Compared with other detectors, MRPCs can provide not only the track but also the TOF of incident particles between two detectors, which can be used to determine their momentum.…”

Section: Introductionmentioning

confidence: 99%

Development of a large-area Multigap RPC with adequate spatial resolution for muon tomography

Wang

et al. 2016

J. Inst.

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We study the performance of a large-area 2-D Multigap Resistive Plate Chamber (MRPC) designed for muon tomography with high spatial resolution. An efficiency up to 98% and a spatial resolution of around 270 µm are obtained in cosmic ray and X-ray tests. The performance of the MRPC is also investigated for two working gases: standard gas and pure Freon. The result shows that the MRPC working in pure Freon can provide higher efficiency and better spatial resolution.

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“…The multi-gap resistive plate chamber (MRPC) is a kind of new type of gas detector developed at the end of last century in European Organization for Nuclear Research [1,2]. Due to the properties of excellent time resolution, high efficiency, low cost and easy production of large area, the MRPC is widely used in the construction of time of flight (TOF) system in particle physics and nuclear physics experiments such as the RHIC-STAR [3,4] and LHC-ALICE [5]. University of Science and Technology of China (USTC) and Tsinghua University designed MRPC prototype and constructed TOF system for RHIC-STAR and the TOF system plays an important role in STAR physics analysis such as the observation of antihelium-4 [6].…”

Section: Introductionmentioning

confidence: 99%

Online aging study of a high rate MRPC

Wang

Feng

et al. 2016

Chinese Phys. C

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Abstract:With the constant increase of accelerator luminosity, the rate requirements of the MRPC detectors become important. In the same time, aging problem of the detector has to be studied meticulously. An online aging test system is set up in our Lab. The setup of the system is described and the purpose is to study the performance stability during the long time running under high luminosity environment. The high rate MRPC has been irradiated by X-ray for 36 days and accumulated charge density reached 0.1C/cm 2 . No obvious performance degradation is observed for the detector.

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Construction and tests of the MRPC detectors for TOF in ALICE

Cited by 6 publications

References 5 publications

Gaseous Radiation Detectors

Gaseous Radiation Detectors

Development of a large-area Multigap RPC with adequate spatial resolution for muon tomography

Online aging study of a high rate MRPC

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