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More than a thousand 8" silicon sensors will be visually inspected to look for anomalies on their surface during the quality control preceding assembly into the High-Granularity Calorimeter for the CMS experiment at CERN. A deep…

Instrumentation and Detectors · Physics 2023-03-28 Sonja Grönroos , Maurizio Pierini , Nadezda Chernyavskaya

The CMS experiment will comprise several very large high resolution detectors for physics. Each detector may be constructed of well over a million parts and will be produced and assembled during the next decade by specialised centres…

Instrumentation and Detectors · Physics 2007-05-23 J-M Le Goff , J-P Vialle , A Bazan , T Le Flour , S Lieunard , D Rousset , R McClatchey , N Baker , H Heath , Z Kovacs , E Leonardi , G Barone , G Organtini

The growing complexity of particle detectors makes their construction and quality control a new challenge. We present studies that explore the use of deep learning-based computer vision techniques to perform quality checks of detector…

High Energy Physics - Experiment · Physics 2022-03-18 N. Akchurin , J. Damgov , S. Dugad , P. G C , S. Grönroos , K. Lamichhane , J. Martinez , T. Quast , S. Undleeb , A. Whitbeck

The tracking system of the CMS experiment, currently under construction at the Large Hadron Collider (LHC) at CERN (Geneva, Switzerland), will include a silicon pixel detector providing three spacial measurements in its final configuration…

Daily operation of a large-scale experiment is a challenging task, particularly from perspectives of routine monitoring of quality for data being taken. We describe an approach that uses Machine Learning for the automated system to monitor…

Data Analysis, Statistics and Probability · Physics 2017-12-06 Maxim Borisyak , Fedor Ratnikov , Denis Derkach , Andrey Ustyuzhanin

Reliable data quality monitoring is a key asset in delivering collision data suitable for physics analysis in any modern large-scale High Energy Physics experiment. This paper focuses on the use of artificial neural networks for supervised…

Data Analysis, Statistics and Probability · Physics 2018-08-03 Adrian Alan Pol , Gianluca Cerminara , Cecile Germain , Maurizio Pierini , Agrima Seth

The installation of the High-Luminosity Large Hadron Collider (HL-LHC) presents unprecedented challenges to experiments like the Compact Muon Solenoid (CMS) in terms of event rate, integrated luminosity and therefore radiation exposures. To…

Instrumentation and Detectors · Physics 2020-08-26 Peter Paulitsch

The inner silicon detector of the Compact Muon Solenoid experiment (CMS) at CERN's LHC consists of 16588 modules. Charged-particle tracks in the detector are used to improve the accuracy to which the position and orientation of the modules…

Instrumentation and Detectors · Physics 2015-05-27 Volker Blobel , Claus Kleinwort , Frank Meier

As part of its HL-LHC upgrade program, CMS is developing a High Granularity Calorimeter (HGCAL) to replace the existing endcap calorimeters. The HGCAL will be realised as a sampling calorimeter, including an electromagnetic compartment…

Instrumentation and Detectors · Physics 2018-03-14 Thorben Quast

In 2017, the LHC (Large Hadron Collider) at CERN has obtained an astonishing result providing proton-proton collisions with an integrated luminosity of 50.25 fb-1. The CMS (Compact Muon Solenoid), a general-purpose detector operating at the…

Instrumentation and Detectors · Physics 2018-07-24 Prasanna Kumar Siddireddy

Automotive manufacturing assembly tasks are built upon visual inspections such as scratch identification on machined surfaces, part identification and selection, etc, which guarantee product and process quality. These tasks can be related…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Muriel Mazzetto , Marcelo Teixeira , Érick Oliveira Rodrigues , Dalcimar Casanova

The Compact Muon Solenoid (CMS) detector is one of two general-purpose detectors that measure the products of high energy particle interactions in the Large Hadron Collider (LHC) at CERN. The silicon pixel detector is the innermost…

Instrumentation and Detectors · Physics 2018-04-03 Tamas Almos Vami , Viktor Veszpremi , the CMS Collaboration

The Detector Control System (DCS) of the COMPASS experiment at CERN is presented. The experiment has a high level of complexity and flexibility and a long time of operation, that constitute a challenge for its full monitorisation and…

Systems and Control · Computer Science 2013-07-05 P. Bordalo , A. S. Nunes , C. Pires , C. Quintans , S. Ramos

Microfluidic devices offer numerous advantages in medical applications, including the capture of single cells in microwell-based platforms for genomic analysis. As the cost of sequencing decreases, the demand for high-throughput single-cell…

Computational Engineering, Finance, and Science · Computer Science 2024-09-13 Xueying Zhao , Yan Chen , Yuefu Jiang , Amie Radenbaugh , Jamie Moskwa , Devon Jensen

Optical inspection of 1191 silicon micro-strip sensors was performed using a custom made optical inspection setup, employing a machine-learning based approach for the defect analysis and subsequent quality assurance. Furthermore,…

Instrumentation and Detectors · Physics 2021-12-08 E. Lavrik , M. Shiroya , H. R. Schmidt , A. Toia , J. M. Heuser

The CMS experiment at the LHC includes a hybrid silicon pixel detector for the reconstruction of charged tracks and of the interaction vertices. The detector is made of three barrel layers and two disks at each end of the barrel. Detector…

Instrumentation and Detectors · Physics 2007-10-29 Vincenzo Chiochia

With an active silicon area of more than 200 squaremetres, the silicon strip tracker of the CMS experiment, one of the experiments currently under construction for the future Large Hadron Collider at CERN, will be by far the largest silicon…

Instrumentation and Detectors · Physics 2008-11-26 Katja Klein

Automated visual inspection in the semiconductor industry aims to detect and classify manufacturing defects utilizing modern image processing techniques. While an earliest possible detection of defect patterns allows quality control and…

Machine Learning · Computer Science 2024-06-11 Tobias Schlosser , Frederik Beuth , Michael Friedrich , Danny Kowerko

The production of silicon detector modules that will instrument the CMS Inner Tracker has nowadays reached 1300 units out of the approximately 3700 needed in total, with an overall yield close to 96%. A description of the module design, the…

Instrumentation and Detectors · Physics 2009-11-10 Giacomo Sguazzoni

The Compact Muon Solenoid (CMS) detector is one of two general-purpose detectors that reconstruct the products of high energy particle interactions at the Large Hadron Collider (LHC) at CERN. The silicon pixel detector is the innermost…

Instrumentation and Detectors · Physics 2019-08-13 Tamas Almos Vami
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