2025-03-11
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2025-03-11
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Kalman filter for muon reconstruction in the CMS Phase-2 endcap calorimeter
/ Matthewman, Mark (Purdue U.) ; Rovere, Marco (CERN) ; Waltenberger, Wolfgang (Vienna, OAW) ; Brondolin, Erica (CERN)
/CMS Collaboration
The High Luminosity phase of the LHC (HL-LHC) will offer a greatly increased number of events for more precise standard model measurements and BSM searches. To cope with the harsh environment created by numerous simultaneous proton-proton collisions, the CMS Collaboration has begun construction of a new endcap calorimeter, the High-Granularity Calorimeters (HGCAL). [...]
CMS-CR-2025-073.-
Geneva : CERN, 2025 - 9 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Pl, 19 - 25 Oct 2024
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2025-03-11
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Operational experience from the Spanish CMS Analysis Facility at CIEMAT
/ Cardenas-Montes, M ; Delgado, J ; Delgado Peris, Antonio (Madrid, CIEMAT) ; Flix Molina, Jose (Madrid, CIEMAT) ; Hernandez, Jonathan Matthew (UC, San Diego) ; Morcillo Perez, Cecilia Maria (Madrid, CIEMAT) ; Perez-Calero Yzquierdo, Antonio Maria (Madrid, CIEMAT) ; Rodriguez Calonge, F.J ; Torradeflot, F
/CMS Collaboration
The anticipated surge in data volumes generated by the LHC in the coming years, especially during the High-Luminosity LHC phase, will reshape how physicists conduct their analysis. This necessitates a shift in programming paradigms and techniques for the final stages of analysis. [...]
CMS-CR-2025-072.-
Geneva : CERN, 2025 - 9 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Pl, 19 - 25 Oct 2024
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2025-03-11
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Heterogeneous reconstruction of hadronic particle flow clusters with the Alpaka Portability Library
/ Bocci, Andrea (CERN) ; Das, Abhishek (Notre Dame U.) ; Hatakeyama, Kenichi (Baylor U.) ; Lorkowski, Florian (DESY) ; Pantaleo, Felice (CERN) ; Redjeb, Wahid (Aachen, Tech. Hochsch.) ; Samudio, Jonathan Jacob (Baylor U.) ; Saunders, Mark Douglas (Baylor U.)
/CMS Collaboration
In response to increasing data challenges, CMS has adopted the use of GPU offloading at the High-Level Trigger (HLT). However, GPU code is often hardware specific, and increases the maintenance burden on software development. [...]
CMS-CR-2025-066.-
Geneva : CERN, 2025 - 8 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Pl, 19 - 25 Oct 2024
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2025-03-11
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Comparative analysis of Machine Learning-based eviction
techniques and LRU mechanisms for CMS data caching
/ Delgado Peris, Antonio (Madrid, CIEMAT) ; Flix Molina, Jose (Madrid, CIEMAT) ; Hernandez, Jonathan Matthew (UC, San Diego) ; Perez-Calero Yzquierdo, Antonio Maria (Madrid, CIEMAT) ; Rodriguez Calonge, F.J ; Serrano, P ; Sikora, A ; Vilalta, J
/CMS Collaboration
The Large Hadron Collider (LHC) at CERN in Geneva is preparing for a major upgrade that will improve both its accelerator and particle detectors. This strategic move comes in anticipation of a tenfold increase in proton-proton collisions, expected to kick off by 2030 in the upcoming high-luminosity phase. [...]
CMS-CR-2025-064.-
Geneva : CERN, 2025 - 9 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Pl, 19 - 25 Oct 2024
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2025-03-11
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Exploiting Kubernetes to Simplify the Deployment and Management of the Multi-purpose CMS Pilot Job Factory
/ Mascheroni, Marco (UC, San Diego) ; Jeffrey Michael Dost ; Bockelman, Brian Paul (Wisconsin U., Madison) ; Colby Walsworth ; Kizinevic, Edita (CERN) ; Thiltges, John Frederick (Nebraska U.) ; Albert, Merina (Fermilab) ; Zokaite, Vaiva (Vilnius U.) ; Frank Wurthwein
/CMS Collaboration
GlideinWMS, a widely utilized workload management system in high-energy physics (HEP) research, serves as the backbone for efficient job provisioning across distributed computing resources. It is utilized by various experiments and organizations, including CMS, OSG, Dune, and FIFE, IGWN, JLab, GlueX, IceCube, to create HTCondor pools as large as 600k cores. [...]
CMS-CR-2025-045.-
Geneva : CERN, 2025 - 8 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Pl, 19 - 25 Oct 2024
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2025-03-11
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Refining Jets for CMS Run 3 using Fast Simulation
/ Boncukcu, Dorukhan (Istanbul Tech. U.) ; Acelya Deniz Gungordu ; Bein, Samuel Louis (Louvain U.) ; Pedro, Kevin Jerome (Fermilab) ; Wolf, Moritz Jonas (Hamburg U.) ; Ekim Vural, M ; Cakir, Muammer Altan (Istanbul Tech. U.)
/CMS Collaboration
As the LHC moves into its high-luminosity phase, the CMS experiment must handle more complex data collected at much higher rates. While the Geant4-based simulation application (FullSim) provides highly accurate simulation to complement real data, FullSim's intensive consumption of computing resources becomes an increasing liability as the rates increase, while faster tools offer an advantage. [...]
CMS-CR-2025-041.-
Geneva : CERN, 2025 - 9 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Pl, 19 - 25 Oct 2024
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2025-03-11
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Search for high mass Higgs Boson decays into ZZ final states using Run2 dataset of CMS experiment
/ Vijay, Anusree (Indian Inst. Tech., Madras)
/CMS Collaboration
A search for a high mass Higgs boson decays to a pair of Z bosons (H $\rightarrow$ ZZ) is performed using proton-proton collision data from the Run2 dataset of CMS experiment at the Large Hadron Collider, CERN. The ZZ decays, through the 4l, 2l2q and 2l2$\nu$ final states provides a clean and sensitive probe for both Standard Model Higgs processes and potential new physics phenomena, such as heavy resonances decaying to
Z boson pairs. [...]
CMS-CR-2025-037.-
Geneva : CERN, 2025 - 5 p.
Fulltext: PDF;
In : 26th DAE-BRNS High Energy Physics Symposium 2024, Varanasi, India, 19 - 23 Dec 2024
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2025-03-11
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Precision EW measurements at the LHC
/ Azzurri, Paolo (INFN, Pisa)
/ATLAS, CMS and LHCB Collaborations
A selection of recent results obtained with the LHC data by the ATLAS, CMS, and LHCb experiments in the area of precision electroweak measurements is presented. These results include remarkable new determinations of the W boson mass, the weak mixing angle, and the properties of fermion couplings to gauge bosons. [...]
CMS-CR-2025-032.-
Geneva : CERN, 2025 - 10 p.
Fulltext: PDF;
In : 35th Rencontres de Blois Particle Physics and Cosmology, Blois, Fr, 20 - 25 Oct 2024
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2025-03-11
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