A. Mertens

ORCID: 0000-0002-9269-7567
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About
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Research Areas
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Quantum Chromodynamics and Particle Interactions
  • Particle Detector Development and Performance
  • Dark Matter and Cosmic Phenomena
  • Cosmology and Gravitation Theories
  • Computational Physics and Python Applications
  • Neutrino Physics Research
  • Medical Imaging Techniques and Applications
  • Astrophysics and Cosmic Phenomena
  • Black Holes and Theoretical Physics
  • Agriculture Sustainability and Environmental Impact
  • Radiation Detection and Scintillator Technologies
  • Distributed and Parallel Computing Systems
  • Agriculture and Rural Development Research
  • Nuclear reactor physics and engineering
  • Particle Accelerators and Free-Electron Lasers
  • Gamma-ray bursts and supernovae
  • Environmental Impact and Sustainability
  • Economic and Environmental Valuation
  • CCD and CMOS Imaging Sensors
  • Nuclear physics research studies
  • Gas Dynamics and Kinetic Theory
  • International Science and Diplomacy
  • Atomic and Subatomic Physics Research

Walloon Agricultural Research Centre
2021-2024

UCLouvain
2014-2023

The version 3.0 of the Delphes fast-simulation is presented. goal to allow simulation a multipurpose detector for phenomenological studies. includes track propagation system embedded in magnetic field, electromagnetic and hadron calorimeters, muon identification system. Physics objects that can be used data analysis are then reconstructed from simulated response. These include tracks calorimeter deposits high level such as isolated electrons, jets, taus, missing energy. new modular approach...

10.1007/jhep02(2014)057 article EN cc-by Journal of High Energy Physics 2014-02-01

Delphes is an open source C++ framework to perform the fast simulation of response a multipurpose detector. The includes tracking system, embedded into magnetic field, calorimeters and muon system. interfaced standard file formats outputs observables such as isolated leptons, missing transverse energy collection jets that can be used for dedicated analyses. detector takes account effect granularity subdetector resolutions. program contains parmetrizations CMS ATLAS detectors, based on...

10.1088/1742-6596/608/1/012045 article EN Journal of Physics Conference Series 2015-05-22

Alors que les aliments d'origine animale représentent 25 % des protéines consommées par l'Homme dans le monde et sont reconnus pour leur qualité nutritionnelle, l'élevage est régulièrement critiqué son inefficience. En particulier, l’utilisation d’aliments comestibles l’Homme de terres cultivables produire l’alimentation à destination l’animal posent question. De nombreux indicateurs ont été développés afin d’objectiver l’apport élevages la fourniture d’alimentation humaine : l’efficience...

10.20870/productions-animales.2025.38.2.8464 article FR cc-by INRAE productions animales 2025-03-03

The upgrade of the LHC to High-Luminosity (HL-LHC) is expected increase design luminosity by an order magnitude. This will require silicon tracking detectors with a significantly higher radiation hardness. CMS Tracker Collaboration has conducted irradiation and measurement campaign identify suitable sensor materials strip designs for future outer tracker at experiment. Based on these results, collaboration chosen use n-in-p type sensors focus further investigations optimization that type....

10.1088/1748-0221/12/06/p06018 article EN cc-by Journal of Instrumentation 2017-06-27

Abstract The increasing human population and demand for animal food products raise the issue of impacts systems on security caused by their use human-edible feed and/or tillable land. utility replacing with potential food-crop needs to be assessed but is associated many uncertainties. Some metrics analyse contribution current security, especially dimension availability. These methods address conversion efficiency (i.e. total (‘gross’) or (‘net’)) agricultural land total, permanent grassland,...

10.1007/s13593-023-00901-z article EN cc-by Agronomy for Sustainable Development 2023-08-01

A new CMS Tracker is under development for operation at the High Luminosity LHC from 2026 onwards. It includes an outer tracker based on dedicated modules that will reconstruct short track segments, called stubs, using spatially coincident clusters in two closely spaced silicon sensor layers. These allow rejection of low transverse momentum hits and reduce data volume before transmission to first level trigger. The inclusion tracking information trigger decision essential limit accept rate....

10.1088/1748-0221/13/03/p03003 article EN cc-by Journal of Instrumentation 2018-03-06

The high luminosity upgrade of the Large Hadron Collider, foreseen for 2026, necessitates replacement CMS experiment’s silicon tracker. innermost layer new pixel detector will be exposed to severe radiation, corresponding a 1 MeV neutron equivalent fluence up $$\Phi _{eq} = 2 \times 10^{16}$$ cm $$^{-2}$$ , and an ionising dose $${\approx } 5$$ MGy after integrated 3000 fb $$^{-1}$$ . Thin, planar sensors are good candidates this application, since degradation signal produced by traversing...

10.1140/epjc/s10052-017-5115-z article EN cc-by The European Physical Journal C 2017-08-01

The Matrix Element Method has proven to be a powerful method optimally exploit the information available in detector data. Its widespread use is nevertheless impeded by its complexity and associated computing time. MoMEMta, C++ software package compute integrals at core of method, provides versatile implementation both theory experiment communities. modular structure covers needs experimental analysis workflows LHC without compromising ease on simpler smaller simulated samples used for...

10.1140/epjc/s10052-019-6635-5 article EN cc-by The European Physical Journal C 2019-02-01

Given a sample of experimental events and set theoretical models, the matrix element method (MEM) is procedure to select most plausible model that governs production these events. From point view, it probably powerful multi-variate analysis technique since maximally uses information contained in Feynman amplitudes. This now widely known has been used for precision top mass measurement at Tevatron, example.

10.1088/1742-6596/523/1/012028 article EN Journal of Physics Conference Series 2014-06-06

In the context of a growing population, beef production is expected to reduce its consumption human-edible food and contribution global warming. We hypothesize that implementing innovations fast rotational grazing redesigning existing systems using crossbreeding sexing may these impacts. this research, bio-economic model FarmDyn used assess impact such on farm profit, workload, warming potential, feed-food competition. The are tested in Belgian system composed Blue breeder fattener farm,...

10.3390/ani13061020 article EN cc-by Animals 2023-03-10
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