2023-09-11
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2023-09-04
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2023-08-29
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2023-07-25
11:23 |
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;
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2023-06-09
08:16 |
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2023-05-15
14:52 |
FlashSim prototype: an end-to-end fast simulation using
Normalizing Flow
/ Vaselli, Francesco (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Rizzi, Andrea (INFN, Pisa ; Pisa U.) ; Cattafesta, Filippo (INFN, Pisa) ; Cicconofri, Gloria (INFN, Pisa)
/CMS Collaboration
We present a prototype of Flash-sim, a fast simulation for CMS analysis level event
content (NANOAOD) based on Machine Learning. The Normalizing Flow technique
is used to directly simulate reconstructed physics object information from generator
level objects, skipping the full simulation and reconstruction [...]
CMS-NOTE-2023-003; CERN-CMS-NOTE-2023-003.-
Geneva : CERN, 2023 - 22 p.
Fulltext: PDF;
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2023-05-02
11:39 |
Evaluation of HPK $n^+$-$p$ planar pixel sensors for the CMS Phase-2 upgrade
/ Tracker Group of the CMS Collaboration
To cope with the challenging environment of the planned high luminosity upgrade
of the Large Hadron Collider (HL-LHC), scheduled to start operation in 2029, CMS will replace its entire tracking system. The requirements for the tracker are largely determined by the long operation time of 10~years with an instantaneous peak luminosity of up to
$7.5\times 10^{34}$~cm$^{-2}$s$^{-1}$ in the ultimate performance scenario.
Depending on the radial distance from the interaction point, the silicon sensors will receive a particle fluence corresponding to a non-ionizing energy loss of up to $\Phi_{\text{eq}} = 3.5\times 10^{16}$~cm$^{-2}$. [...]
arXiv:2212.04793; CMS-NOTE-2023-002.-
Geneva : CERN, 2023-05-09 - 18 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1053 (2023) 168326
Fulltext: NOTE2023_002 - PDF; 2212.04793 - PDF;
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2023-03-06
12:01 |
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2022-09-12
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2022-09-05
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