Online aging study of a high rate MRPC

Wang, Jie; Wang, Yi; Feng, Shengqin; Xie, Bin; Lv, Pengfei; Wang, Fuyue; Guo, B.; Han, Dong; Li, Yuanjing

doi:10.1088/1674-1137/40/5/056002

Cited by 4 publications

(4 citation statements)

References 14 publications

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“…Figure 8 shows the performance of a high-rate MRPC for a period of 36 days. The integrated charge can reach 0.1 C/cm 2 [72], and there is no obvious degradation of the operating performance, which meets the requirements of CBM-ToF.…”

Section: Aging Test Of a High-rate Mrpcmentioning

confidence: 57%

Multigap Resistive Plate Chambers for Time of Flight Applications

Wang

2020

Applied Sciences

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With the advantages of high-performance, easy to build and relatively low cost, the multigap resistive plate chamber has been arousing broad interests over the last few decades. It has become a new standard technology for the time of flight system in high energy physics experiments. In this article, we will give a description of the structure and the operating principles of the MRPC detector and focus on reviewing the applications on the time of flight system in several famous experiments. The performances, including time resolution and particle identification, are discussed in detail. Some recent advances and points of view for the future development of the next generation MRPC are also outlined.

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Section: Aging Test Of a High-rate Mrpcmentioning

confidence: 57%

Multigap Resistive Plate Chambers for Time of Flight Applications

Wang

2020

Applied Sciences

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“…In another study in 2020, Wang and co-workers reported the synthesis of 4,6-diaryl-2-aminopyridine-3-carbonitriles 53 by the ring-opening/cyclization reaction of cyclopropane-1,1-dicarbonitriles 51 with thioureas 52 (Scheme 12 ). 35 The reaction proceeds by the initial cyclopropane ring opening affording dicyanomethanide anion 54 with the chalcone unit intact. The anion 54 reacts with the thiourea 52 to give imine 55 that undergoes electron delocalization to form a nitrogen anion 56 .…”

Section: Synthesis Of Nitrogen Heterocyclesmentioning

confidence: 99%

Synthesis of Heterocycles from Donor-Acceptor Cyclopropanes: A Five-Year Recap

Deepthi¹,

Meenakshy²,

Mohan³

2023

Synthesis

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The utility of donor-acceptor cyclopropanes (DACs) for the construction of heterocycles is discussed here. In addition to (3+2), (3+3) and (4+3) cycloaddition pathways, nucleophilic ring-opening reactions, intramolecular transformations and cycloisomerizations in presence of suitable catalysts pave way for the generation of heterocycles from DACs. Mild reactions conditions employed and the variety of starting materials that can be used as reaction partners makes the DAC route for heterocycle synthesis attractive. The literature from 2018-2023 is categorized as below. 1 Introduction 2 Synthesis of Nitrogen heterocycles 2.1 By annulations with anthranils and azadienes 2.2 By nucleophilic attack of anilines and hydrazones 2.3 By reaction with ureas and thioureas 2.4 By annulation reactions using azomethine imine 2.5 By reaction with other N-heterocycles 2.6 By other transformations 3 Synthesis of Oxygen heterocycles 3.1 By intramolecular transformations 3.2 By intermolecular reactions 4 Synthesis of Sulphur/Selenium heterocycles 4.1 By reaction with thiocarbonyl substrates 4.2 By reaction with thio/selenocyanates and thiosulfonate salts 5 Synthesis of N-S/O heterocycles 6 Conclusions

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“…Materials like glasses, with typical resistivities around 10 12 Ωcm or more result in small rate capabilities. The semiconductive glass can reach 10 10 Ωcm, but the limitation of this glass is that it is hard to produce it in large pieces and that it is very expensive [12]. New materials are also developed by different groups, such as RPCs with ceramics electrodes [13].…”

Section: Introductionmentioning

confidence: 99%

“…The polyimide foil is widely used in the GEM detector [14], based on copper-coated polyimide foil perforated with a high density of holes. This carbon-doped polyimide material can reach low resistivity in principle, but in this paper, we use the carbon-doped polyimide material with bulk resistivity 10 12 Ωcm instead (the bulk resistivity of polyimide without carbon is around 10 17 Ωcm).…”

Section: Introductionmentioning

confidence: 99%

Polyimide/graphene nanocomposite materials to construct a low resistive RPC

et al. 2016

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The development of low resistivity material to increase the rate capability of Resistive Plate Chambers (RPCs) has been attracting more and more attention recently. This paper presents a new type of such a material. The new material is based on polyimide doped with carbon. The electrical volume resistivity of this material could be controlled using different percentages of the doping carbon. The standard thickness of polyimide carbon films is around 40 µm which does not allow to use it as such to build the RPC electrodes. To overcome this, we developed a new stress method to make the gap between two polyimide carbon films. In this paper we will introduce the new detector material, the new type of RPC and the cosmic bench test results. In the future, if the polyimide is widely used in RPCs, the electrical properties changed by high energy particles should be well-studied. K: Resistive-plate chambers; Materials for gaseous detectors; Instrumentation and methods for time-of-flight (TOF) spectroscopy 1Corresponding author.

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Online aging study of a high rate MRPC

Cited by 4 publications

References 14 publications

Multigap Resistive Plate Chambers for Time of Flight Applications

Multigap Resistive Plate Chambers for Time of Flight Applications

Synthesis of Heterocycles from Donor-Acceptor Cyclopropanes: A Five-Year Recap

Polyimide/graphene nanocomposite materials to construct a low resistive RPC

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