Performance Improvement of MICROMEGAS Detector Based on Neon-isobutane and Neon-DME Gaseous Mixtures at Atmospheric Pressure

Several fields of gas detectors have advanced in recent years. The MICROMEGAS (Micro-Mesh Gas Structure) detector appeared to be very promising. It is a major position detector family in High Energy Physics. This research is carried out in standard (NTP) based gas mixtures, with neon as a noble gas and isobutane and DME (dimethyl-ether) as moderators’ gases (quenchers), and 55Fe as a radiation source (X-ray 5.9 keV). To address the modeling of the MICROMEGAS detector, a descriptive model of various physical and geometrical MICROMEGAS phenomena was developed. making a simulation program to spread the detector response Following that, a brief analytical calculation of the potential and electric field distribution was presented in order to better estimate electrical and geometric configuration. Following that, MICROMEGAS simulation results for electrical signals based on gas mixtures (Neon-isobutane, Neon-DME) were presented. Finally, our MICROMEGAS Detector is equivalent to a low signal from a current generator, which is why we require an amplification device to clarify the quantitative calculus. These amplified signal results were presented and analyzed in order to improve the performance of MICROMEGAS (spatial (12 m) and temporal (0.7 ns) resolutions).

Author (s) Details

H. Mounir
Spectrometry Laboratory of Materials and Archaeomaterials (LASMAR), Faculty of Science, Moulay Ismail University, Meknes, Morocco.

S. Bri
Electrical Engineering Departments, High School of Technology, ESTM, My Ismail University, Meknes, Morocco.

M. Haddad
Spectrometry Laboratory of Materials and Archaeomaterials (LASMAR), Faculty of Science, Moulay Ismail University, Meknes, Morocco.

M. Mouhib
Spectrometry Laboratory of Materials and Archaeomaterials (LASMAR), Faculty of Science, Moulay Ismail University, Meknes, Morocco.

A. Amine
Laboratory Instrumentation Measurement and Control, Faculty of Science Chouab Doukkali University, El jadida, Morocco.

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