2025-11-10
10:38 |
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2025-11-10
10:38 |
The Histogram Similarity Based Strategy for Performance
Improvement of Multi-Class Classification with the
Simulated CMS-HGCAL Data in Level-1 Trigger
/ Burazin Misura, Arijana (Split Tech. U.) ; Music, Josip (Split Tech. U.) ; Prvan, Marina (Split Tech. U.) ; Linda Vickovic
In the upcoming High-Luminosity (HL) phase of the Large Hadron Collider (LHC), the rates of proton-proton collisions will increase significantly, resulting in a substantial amount of data, including soft collisions or pile-up (PU). This study develops an algorithm for real-time selection of significant collision data in the Level 1 Trigger (L1T) system for the High Granularity Calorimeter (HGCAL) in the Compact Muon Solenoid (CMS) detector upgraded for the HL era.
To conduct multi-class selection based on four types of data - electromagnetic showers (EM), PU, quantum chromodynamics (QCD) jets, and single pions, two machine learning architectures are explored: Convolutional Neural Networks (CNN) and Multi-Layer Perceptrons (MLP). [...]
CMS-NOTE-2025-012; CERN-CMS-NOTE-2025-012.-
Geneva : CERN, 2025 - 25 p.
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2025-09-29
17:56 |
Measurement of four-point energy-energy correlator projections in Z+jets events
/ The CMS Collaboration
/CMS Collaboration
Energy-energy correlators are rapidly emerging as a powerful tool for the study of jet substructure. The resolved structure of high-order EECs is sensitive to the detailed dynamics of jet formation, and has the potential to provide both a useful probe of quantum chromodynamics and a powerful input for tuning of phenomenological parton shower models. [...]
CMS-NOTE-2025-011; CERN-CMS-NOTE-2025-011.-
Geneva : CERN, 2025 - 21 p.
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2025-09-29
17:56 |
Enhanced reconstruction of dileptonic top quark-antiquark events using supervised machine learning methods
/ CMS Collaboration
/CMS Collaboration
The reconstruction of the top quark-antiquark $\mathrm{t\bar{t}}$ kinematic system is crucial for precision measurements of top quark properties and plays a central role in many searches for beyond standard model physics involving top quarks at the LHC. In the dileptonic decay channel of $\mathrm{t\bar{t}}$, the presence of two neutrinos poses a significant challenge to reconstruct the $\mathrm{t\bar{t}}$ kinematic system. [...]
CMS-NOTE-2025-010; CERN-CMS-NOTE-2025-010.-
Geneva : CERN, 2025 - 22 p.
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2025-08-25
12:44 |
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2025-07-21
10:06 |
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2025-03-27
13:43 |
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2025-03-27
13:43 |
Projection of CMS experimental reach on HH production at HL-LHC
/ CMS Collaboration
/CMS Collaboration
This note presents an updated projection to the high-luminosity LHC for searches for resonant and nonresonant Higgs boson pair production with the CMS experiment. The projections are based on analyses of data recorded by the CMS experiment during LHC Run 2. [...]
CMS-NOTE-2025-006; CERN-CMS-NOTE-2025-006.-
Geneva : CERN, 2025 - 11 p.
Fulltext: PDF;
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2025-03-27
13:43 |
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2025-03-27
13:43 |
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