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CERN Document Server 2,029 records found  1 - 10nextend  jump to record: Search took 0.34 seconds. 
1.
(100)
Real-time Anomaly Detection at the L1 Trigger of CMS Experiment / Gandrakota, Abhijith (Fermilab)
We present the preparation, deployment, and testing of an autoencoder trained for unbiased detection of new physics signatures in the CMS experiment Global Trigger (GT) test crate FPGAs during LHC Run 3. [...]
arXiv:2411.19506 ; CMS CR-2024/328. -
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2.
(91)
Testing a Neural Network for Anomaly Detection in the CMS Global Trigger Test Crate during Run 3 / Zipper, Noah (Colorado U.) /CMS Collaboration
We present the deployment and testing of an autoencoder trained for unbiased detection of new physics signatures in the CMS Global Trigger test crate during LHC Run 3. The GT test crate is a copy of the main GT system, receiving the same input data, but whose output is not used to trigger the readout of CMS, providing a platform for thorough testing of new trigger algorithms on live data, but without interrupting data taking. [...]
arXiv:2312.10009; CMS-CR-2023-255.- Geneva : CERN, 2024-03-12 - 7 p.
- Published in : JINST Fulltext: 2312.10009 - PDF; CR2023_255 - PDF;
In : Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C03029
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3.
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Anomaly Detection in the CMS Global Trigger Test Crate for Run 3 /CMS Collaboration
This DPS note shows the design, implementation, and performance of an ML-based trigger algorithm, AXOL1TL, which selects anomalous events in real-time. The AXOL1TL algorithm was implemented in Level-1 Global Trigger Test Crate for 2023 data taking..
CMS-DP-2023-079; CERN-CMS-DP-2023-079.- Geneva : CERN, 2023 - 14 p. Fulltext: PDF;
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4.
(17)
Anomaly Detection for CMS L1 trigger at HL-LHC / Shahid, Muhammad-Hassan
With the High Luminosity Large Hadron Collider (HL-LHC) set to produce over 140 million proton-to-proton collisions, there needs to be a fast and reliable method to filter for new physics signatures. [...]
CERN-STUDENTS-Note-2021-236. - 2021
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5.
(17)
Progress on the upgrade of the CMS Hadron Calorimeter Front-End electronics / Anderson, Jake (Fermilab) ; Whitmore, Juliana (Fermilab) /CMS HCAL
We present a scheme to upgrade the CMS HCAL front-end electronics in the second long shutdown to upgrade the LHC (LS2), which is expected to occur around 2018. The HCAL electronics upgrade is required to handle the major instantaneous luminosity increase (up to 5 * 1034 cm-2 s-1) and an expected integrated luminosity of ∼3000 fb-1. [...]
FERMILAB-CONF-11-689-PPD.- 2012 - 8 p. - Published in : Phys. Procedia 37 (2012) 190-197 Elsevier Open Access article: PDF; Fulltext: PDF; External link: FERMILABCONF
In : 2nd International Conference on Technology and Instrumentation in Particle Physics, Chicago, IL, USA, 9 - 14 Jun 2011, pp.190-197
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6.
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The Level 1 Scouting system of the CMS experiment / James, Thomas Owen (CERN) /CMS Collaboration
A novel data collection system, known as Level-1 (L1) Scouting, is being introduced as part of the L1 trigger of the CMS experiment at the CERN Large Hadron Collider. The L1 trigger of CMS, implemented in FPGA-based hardware, selects events at 100 kHz for full read-out, within a short 3~microsecond latency window. [...]
CMS-CR-2023-024.- Geneva : CERN, 2023 - 8 p. Fulltext: PDF;
In : 21st International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Bari, It, 24 - 28 Oct 2022
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7.
(16)
Wasserstein normalized autoencoder /CMS Collaboration
A novel approach to unsupervised jet tagging is presented for the CMS experiment at the CERN LHC. The Wasserstein normalized autoencoder (WNAE) is a normalized probabilistic model that minimizes the Wasserstein distance between the probability distribution of the training data and the Boltzmann distribution of the reconstruction error of the autoencoder. [...]
CMS-PAS-MLG-24-002.- Geneva : CERN, 2024 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_004-e: PDF; Figure_004-f: PDF; Figure_005: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_008: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_011-c: PDF; Figure_011-d: PDF; Figure_011-e: PDF; Figure_011-f: PDF; Figure_011-g: PDF; Figure_011-h: PDF; Figure_012-a: PDF; Figure_012-b: PDF; Figure_012-c: PDF; Figure_012-d: PDF; Figure_012-e: PDF; Figure_012-f: PDF; Figure_012-g: PDF; Figure_012-h: PDF; Figure_013: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)
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Adversarially Learned Anomaly Detection on CMS Open Data: re-discovering the top quark / Knapp, Oliver (Zurich, ETH) ; Cerri, Olmo (Caltech) ; Dissertori, Guenther (Zurich, ETH) ; Nguyen, Thong Q. (Caltech) ; Pierini, Maurizio (CERN) ; Vlimant, Jean-Roch (Caltech)
We apply an Adversarially Learned Anomaly Detection (ALAD) algorithm to the problem of detecting new physics processes in proton-proton collisions at the Large Hadron Collider. Anomaly detection based on ALAD matches performances reached by Variational Autoencoders, with a substantial improvement in some cases. [...]
arXiv:2005.01598.- 2021-02-19 - 16 p. - Published in : Eur. Phys. J. Plus 136 (2021) 236 Fulltext: PDF; Fulltext from publisher: PDF;
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Revised CMS Global Calorimeter Trigger Functionality & Algorithms / Iles, G ; Brooke, J ; Foudas, C ; Frazier, R ; Hall, G ; Hansen, M ; Heath, G ; Jones, J ; Nash, J ; Rose, A et al.
The Global Calorimeter Trigger (GCT) is a device which uses data from the CMS calorimeters to search for jets, produce isolated and non-isolated electron lists and compute all the transverse and missing transverse energy sums used for the Level-1 trigger decision (L1A). GCT performs these functions by receiving and processing the data from the Regional Calorimeter Trigger (RCT) and transmitting a summary to the Global Trigger (GT) which computes the L1A decision. [...]
CERN, 2007 - 5 p. Published version from CERN: PDF;
In : 12th Workshop on Electronics For LHC and Future Experiments, Valencia, Spain, 25 - 29 Sep 2006, pp.465-469 (CERN-2007-001)
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10.
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Concept of a Stand-Alone Muon Trigger with High Transverse Momentum Resolution for the ATLAS Detector at the High-Luminosity LHC / Horii, Yasuyuki (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University) ; ATLAS Collaboration
The ATLAS trigger uses a three-level trigger system. The level-1 (L1) trigger for muons with high transverse momentum pT in ATLAS is based on fast chambers with excellent time resolution which are able to identify muons coming from a particular beam crossing. [...]
ATL-MUON-SLIDE-2014-773.- Geneva : CERN, 2014 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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