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Production and validation of industrially produced large-sized GEM foils for the Phase-2 upgrade of the CMS muon spectrometer
/ Abbas, Syed Mohsin (IPM, Tehran) ; Abbrescia, Marcello (INFN, Bari ; Bari U.) ; Abdalla, Hassan Fathy (Cairo, Acad. Sci. Res. Tech.) ; Abdelalim, Ahmed Ali (Cairo, Acad. Sci. Res. Tech.) ; Abuzeid Hassan, Shimaa Abdelwahed (INFN, Pavia) ; Aebi, Devin Michael (Texas A-M) ; Agapitos, Antonis (Peking U.) ; Ahmad, Ashfaq (Quaid-i-Azam U.) ; Ahmed, Asar (Delhi U.) ; Ahmed, Waqar (Quaid-i-Azam U.) et al.
The upgrade of the CMS detector for the high luminosity LHC (HL-LHC) will include gas electron multiplier (GEM) detectors in the end-cap muon spectrometer.
Due to the limited supply of large area GEM detectors, the Korean CMS (KCMS) collaboration had formed a consortium with Mecaro Co., Ltd. to serve as a supplier of GEM foils with area of approximately 0.6 m$^{2}$.
The consortium has developed a double-mask etching technique for production of these large-sized GEM foils.
This article describes the production, quality control, and quality assessment (QA/QC) procedures and the mass production status for the GEM foils. [...]
CMS-NOTE-2023-006; CERN-CMS-NOTE-2023-006.-
Geneva : CERN, 2023 - 18 p.
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A time projection chamber with GEM-based readout
/ LCTPC Collaboration
For the International Large Detector concept at the planned International Linear Collider, the use of time projection chambers (TPC) with micro-pattern gas detector readout as the main tracking detector is investigated. In this paper, results from a prototype TPC, placed in a 1T solenoidal field and read out with three independent Gas Electron Multiplier (GEM) based readout modules, are reported. [...]
arXiv:1604.00935; DESY-16-059.-
2017-06-01 - 10 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 856 (2017) 109-118
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Quality Control of Mass-Produced GEM Detectors for the CMS GE1/1 Muon Upgrade
/ Abbas, Syed Mohsin (IPM, Tehran) ; Abbrescia, Marcello (INFN, Bari ; Bari U.) ; Abdalla, Hassan Fathy (Cairo, Acad. Sci. Res. Tech.) ; Abdelalim, Ahmed Ali (Cairo, Acad. Sci. Res. Tech.) ; Abuzeid Hassan, Shimaa Abdelwahed (INFN, Pavia) ; Agapitos, Antonis (Peking U.) ; Ahmad, Ashfaq (Quaid-i-Azam U.) ; Ahmed, Asar (Delhi U.) ; Ahmed, Waqar (Quaid-i-Azam U.) ; Aimè, Chiara (INFN, Pavia ; Pavia U.) et al.
The series of upgrades to the Large Hadron Collider, culminating in the High Luminosity Large Hadron Collider, will enable a significant expansion of the physics program of the CMS experiment. However, the accelerator upgrades will also make the experimental conditions more challenging, with implications for detector operations, triggering, and data analysis. [...]
CMS-NOTE-2022-004; CERN-CMS-NOTE-2022-004.-
Geneva : CERN, 2022 - 47 p.
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Numerical Study of Electrostatic Field Distortion on LPTPC End-Plates based on Bulk Micromegas Modules
/ Bhattacharya, Purba (NISER, Jatni) ; Bhattacharya, Deb Sankar (Saha Inst. ; IRFU, Saclay) ; Mukhopadhyay, Supratik (Saha Inst.) ; Majumdar, Nayana (Saha Inst.) ; Bhattacharya, Sudeb (Saha Inst.) ; Colas, Paul (IRFU, Saclay) ; Attié, David (IRFU, Saclay)
The R&D; activities for the linear collider TPC (LC-TPC) are currently working on the adoption of the micro pattern devices for the gaseous amplification stage. Several beam tests have been carried out at DESY with a 5 GeV electron beam in a 1 T superconducting magnet. [...]
2018 - 4 p.
- Published in : EPJ Web Conf. 174 (2018) 06007
Fulltext: PDF;
In : 4th International Conference on Micro Pattern Gaseous Detectors - MPGD2015, Trieste, Italy, 12 - 15 Oct 2015, pp.06007
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Experimental and numerical simulation of a TPC like set up for the measurement of ion backflow
/ Sankar Bhattacharya, Deb (Saha Inst. ; IRFU, SPhN, Saclay ; Jadavpur U.) ; Bhattacharya, Purba (Weizmann Inst.) ; Rout, Prasant Kumar (Saha Inst. ; Weizmann Inst.) ; Mukhopadhyay, Supratik (Saha Inst.) ; Bhattacharya, Sudeb (Saha Inst.) ; Majumdar, Nayana (Saha Inst.) ; Sarkar, Sandip (Saha Inst.) ; Colas, Paul (IRFU, SPhN, Saclay) ; Attie, David (IRFU, SPhN, Saclay) ; Ganjour, Serguei (IRFU, SPhN, Saclay) et al.
Ion backflow is one of the effects limiting the operation of a gaseous detector at high flux, by giving rise to space charge which perturbs the electric field. [...]
arXiv:1710.00624.
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2017. - 11 p.
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