Experimental and numerical studies on the effect of SF<sub>6</sub>in a glass RPC

Salim, Mohammad; Hasan, Rashid; Majumdar, N.; Mukhopadhayay, S.; Satyanarayana, B.

doi:10.1088/1748-0221/7/11/p11019

Cited by 13 publications

(14 citation statements)

References 7 publications

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“…The current depends on the applied voltage and shows a threshold behaviour. Figure 2 represents an equivalent electric circuit for an RPC, suitable for our purposes [8].…”

Section: Results and Discussion 31 V-i Characteristicsmentioning

confidence: 99%

“…An increased number of low energy particles will be blocked when thicker glass electrode is used. This could be the reason for getting Voltage (kV) 8 8. comparatively lower noise rate for RPCs with thicker electrodes. Moreover, small signals inside the gap would induce signals under threshold on read-out electrodes when the electrode thickness is higher, due to the same reason outlined for the efficiency.…”

Section: Noise Rate Of the Stripmentioning

confidence: 99%

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Effect of glass thickness variations on the performance of RPC detectors

2016

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The India-based Neutrino Observatory (INO) is planning to build a magnetized iron calorimeter detector (ICAL) in which Resistive Plate Chambers (RPCs) will be the active detector elements. A study of the performance of RPCs, made using electrodes of various thicknesses, is pivotal in optimizing the design parameters of the ICAL RPCs. We fabricated RPCs with glasses of various thicknesses and studied their performance in the same environmental conditions. A study of detector efficiency, noise rate, time resolution and charge distribution is presented in this paper.

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“…The current depends on the applied voltage and shows a threshold behaviour. Figure 2 represents an equivalent electric circuit for an RPC, suitable for our purposes [8].…”

Section: Results and Discussion 31 V-i Characteristicsmentioning

confidence: 99%

Section: Noise Rate Of the Stripmentioning

confidence: 99%

Effect of glass thickness variations on the performance of RPC detectors

2016

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“…Thus the mean of the charge distribution decreases with an increase in the SF 6 concentration as shown in the figure 4a. This behaviour is due to the capture of the electrons in the gas gap by SF 6 because of its high electron affinity (1.05 ± 0.10 eV) [7,8]. This reduces the multiplication of electrons in the gas gap.…”

Section: Charge Distributionmentioning

confidence: 99%

Effect of variations in the gas mixture compositions on the timing and charge of glass RPC

2020

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A: The India-based Neutrino Observatory (INO) is a project aimed at building a large underground laboratory to explore the Earth's mater effects on the atmospheric neutrinos in multi-GeV range. INO will host a 50 kton magnetized iron calorimeter detector (ICAL) in which Resistive Plate Chambers(RPCs) will be the active detector elements. In ICAL, 28,800 glass RPCs of 2 m × 2 m size will be operated in the avalanche mode. A small variation in the compositions of ionizing gaseous medium in the RPC affects its performance. Study of the charge distribution of the RPC at different gas compositions is necessary to optimize the gas mixture.An RPC made with glass plates of dimension 30 cm × 30 cm was operated in avalanche mode with a gas mixture of C 2 H 2 F 4 /iC 4 H 10 /SF 6 . We have studied the performance of these RPCs at the same ambient conditions. The percentages of the iC 4 H 10 or SF 6 were varied and its effect on the performance of RPC were studied. The study of the charge distribution and time resolution of the RPC signals at different gas compositions is presented in this paper. K: Neutrino detectors; Resistive-plate chambers; Detector design and construction technologies and materials 1Corresponding author.

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“…Many attempts have been made to simulate and understand the working principle of avalanche and streamer modes of RPC. Most of them are based on either Monte Carlo methods [9][10][11][12][13] or hydrodynamics [14][15][16]. A review of different simulation methods can be found in this reference [17].…”

Section: Introductionmentioning

confidence: 99%

Study of Streamer Development in Resistive Plate Chamber

Datta,

Tripathy,

Majumdar

et al. 2020

Preprint

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This work has been carried out to simulate the working mode of a Resistive Plate Chamber and corroborate it with experimental measurements in order to develop a numerical tool for studying the performance of the device for any gas mixture. This will allow us to explore the feasibility of operating these chambers in the Iron Calorimeter setup at India-based Neutrino Observatory with any eco-friendly substitute. The simulation has considered a hydrodynamic model of charge transport to emulate the electronic and ionic growths in the device as a function of the applied voltage which determines its working mode as either of the avalanche or streamer. In order to validate, the simulation result has been compared with compatible experimental data available in the literature.

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Experimental and numerical studies on the effect of SF₆in a glass RPC

Cited by 13 publications

References 7 publications

Effect of glass thickness variations on the performance of RPC detectors

Effect of glass thickness variations on the performance of RPC detectors

Effect of variations in the gas mixture compositions on the timing and charge of glass RPC

Study of Streamer Development in Resistive Plate Chamber

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Experimental and numerical studies on the effect of SF6in a glass RPC

Cited by 13 publications

References 7 publications

Effect of glass thickness variations on the performance of RPC detectors

Effect of glass thickness variations on the performance of RPC detectors

Effect of variations in the gas mixture compositions on the timing and charge of glass RPC

Study of Streamer Development in Resistive Plate Chamber

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Experimental and numerical studies on the effect of SF₆in a glass RPC