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1.
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. Fulltext: PDF;
2.
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. Fulltext: PDF;
3.
Data Acquisition System for RPC Testing / Ahmed, Ijaz ; Ahmed, Waqar ; Ansari, Muhammad Hamid ; Asghar, Muhammad Irfan ; Asghar, Sajjad ; Awan, Irfan Ullah ; Butt, Jamila ; Hoorani, Hafeez R ; Khurshid, Ishtiaq Hussain Taimoor ; Muhammad, Saleh et al.
The Data Acquisition (DAQ) System of the Compact Muon Solenoid (CMS) RPC test station was built in National Centre for Physics (NCP) during the year 2004-2005 with joint efforts by NCP and PAEC groups. The system is based on the NIM, VME and CAMAC technologies which allowed users to test 10 RPCs simultaneously. [...]
CMS-NOTE-2008-031.- Geneva : CERN, 2008 - 11 p. Fulltext: PDF;
4.
Quality Assurance Tests of the CMS Endcap RPCs / Ahmed, Ijaz ; Ahmed, Waqar ; Hamid Ansari, M ; Irfan Asghar, M ; Asghar, Sajjad ; Awan, Irfan Ullah ; Butt, Jamila ; Hoorani, Hafeez R ; Hussain, Ishtiaq ; Khurshid, Taimoor et al.
In this note, we have described the quality assurance tests performed for endcap Resistive Plate Chambers (RPCs) at two different sites, Pakistan Atomic Energy Commission (PAEC) and National Centre for Physics (NCP), in Pakistan. This paper describes various quality assurance tests both at the level of gas gaps and the chambers. [...]
CMS-NOTE-2008-030.- Geneva : CERN, 2008 - 14 p. Fulltext: PDF;

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