A. Sopczak
A5066984651- 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
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Distributed and Parallel Computing Systems
- Particle Accelerators and Free-Electron Lasers
- Black Holes and Theoretical Physics
- Radiation Detection and Scintillator Technologies
- Astrophysics and Cosmic Phenomena
- CCD and CMOS Imaging Sensors
- Medical Imaging Techniques and Applications
- International Science and Diplomacy
- Superconducting Materials and Applications
- Atomic and Subatomic Physics Research
- Advanced Data Storage Technologies
- Particle accelerators and beam dynamics
- Silicon and Solar Cell Technologies
- Infrared Target Detection Methodologies
- Advanced Semiconductor Detectors and Materials
- Scientific Research and Discoveries
- Algorithms and Data Compression
Czech Technical University in Prague
2016-2025
TU Dortmund University
2025
The University of Adelaide
2014-2023
Institute of Particle Physics
2010-2023
National Institute for Subatomic Physics
1990-2023
University of Amsterdam
1994-2023
Brandeis University
2023
Royal Holloway University of London
2020
Lund University
2019
Max Planck Institute for Physics
2015-2016
A key focus of the physics program at LHC is study head-on proton-proton collisions. However, an important class can be studied for cases where protons narrowly miss one another and remain intact. In such cases, electromagnetic fields surrounding interact producing high-energy photon-photon Alternatively, interactions mediated by strong force also result in intact forward scattered protons, providing probes quantum chromodynamics (QCD). order to aid identification provide unique information...
We present the status of Czech Particle Physics Project (CPPP). The CPPP is a learning tool in masterclasses aimed at high school students (aged 15 to 18). project structured modules. first module dedicated detection an Axion-Like-Particle (ALP) using ATLAS Forward Proton (AFP) detector. second focuses on reconstruction Higgs boson mass golden channel with four leptons final state. third and fourth modules are educational aids sources for expert information. These web portals research...
A key focus of the physics program at LHC is study head-on proton-proton collisions. However, an important class can be studied for cases where protons narrowly miss one another and remain intact. In such cases, electromagnetic fields surrounding interact producing high-energy photon-photon Alternatively, interactions mediated by strong force also result in intact forward scattered protons, providing probes quantum chromodynamics (QCD). order to aid identification provide unique information...
The work contained herein constitutes a report of the ``Beyond Standard Model'' working group for Workshop "Physics at TeV Colliders", Les Houches, France, 26 May--6 June, 2003. research presented is original, and was performed specifically workshop. Tools calculations in minimal supersymmetric standard model are presented, including comparison dark matter relic density predicted by public codes. Reconstruction particle masses LHC future linear collider facility examined. Less orthodox...
The search for Higgs bosons in both the standard model and its extensions is well under way at Tevatron. As integrated luminosity collected increases into multiple inverse femptobarn range, these searches are becoming very interesting indeed. Meanwhile, construction of Large Hadron Collider (LHC) associated experiments CERN nearing completion. In this TeV4LHC workshop, it was realized that any experience Tevatron with respect to backgrounds, experimental techniques theoretical calculations...
Theoretical progress in Higgs boson production and background processes is discussed with particular emphasis on QCD corrections at beyond next-to-leading order as well electroweak corrections. The residual theoretical uncertainties of the investigated are estimated detail. Moreover, recent investigations MSSM sector other extensions SM presented. potential LHC a high-energy linear e+e- collider for measurement couplings analyzed.
This report reviews the properties of Higgs bosons in Standard Model (SM) and its various extensions. We give an extensive overview about potential ILC operated at centre-of-mass energies up to 1 TeV (including gamma option) for determination boson properties. comprises measurement mass, couplings SM fermions gauge bosons, spin CP quantum numbers Higgs. The extensions that are analyzed more detail heavy SM-like framework Supersymmetry (SUSY) further exotic scenarios. review recent...
This collection of studies on new physics at the LHC constitutes report supersymmetry working group Workshop `Physics TeV Colliders', Les Houches, France, 2007. They cover wide spectrum phenomenology in era, from alternative models and signatures to extraction relevant observables, study MSSM parameter space finally interplay observations with additional data expected a similar time scale. The special feature this is that while not each explicitely performed together by theoretical...
The ratio of neutral Higgs field vacuum expectation values, tan(beta), is one the most important parameters to determine in either Minimal Supersymmetric Standard Model (MSSM) or a general type-II Two-Higgs Doublet (2HDM). Assuming an energy and integrated luminosity sqrts=500 GeV L=2000 fb-1 at future linear collider (LC), we show that very accurate determination tan(beta) will be possible for low high values by measuring production rates bosons reconstructing boson decays. In particular,...
A network of 16 Medipix-2 (MPX) silicon pixel devices was installed in the ATLAS detector cavern at CERN. It designed to measure composition and spectral characteristics radiation field experiment its surroundings. This study demonstrates that MPX can also be used as a self-sufficient luminosity monitoring system. The detectors collect data independently data-recording chain, thus they provide independent measurements bunch-integrated ATLAS/LHC luminosity. In particular, located close enough...
A network of Timepix (TPX) devices installed in the ATLAS cavern measures LHC luminosity as a function time stand-alone system. The data were recorded from 13 TeV proton-proton collisions 2015. Using two TPX devices, number hits created by particles passing pixel matrices was counted. van der Meer scan beams analysed using bunch-integrated averages over different bunch profiles for an approximate absolute normalization. It is demonstrated that has capability to measure reduction with...
Report of the Higgs working group for Workshop "Physics at TeV Colliders", Les Houches, France 8-18 June 1999. It contains 6 separate sections: 1. Measuring boson couplings LHC. 2. production hadron colliders NLO. 3. Signatures Heavy Charged Bosons 4. Light stop effects and searches 5. Double Colliders in MSSM. 6. Programs Tools Bosons.
The minimal supersymmetric standard model opens the possibility of electroweak baryogenesis provided that light scalar top quark (stop) is lighter than quark. In addition, lightest neutralino an ideal candidate to explain existence dark matter. For a stop with mass close neutralino, stop-neutralino coannihilation mechanism becomes efficient, thus rendering predicted matter density compatible observations. Such may however remain elusive at hadron colliders. Here it shown future linear...
A concise review of precision measurements in the Higgs sector Standard Model (SM) particle physics is given using ATLAS and CMS data. The results are based on LHC Run-2 data, taken between 2015 2018. Impressive progress has been made since discovery boson 2012 for measuring all major production decay modes. Good agreement with SM predictions was observed measurements.
Review of Monte Carlo event generators for signals new particles at LEP2. The areas covered include SUSY, HIGGS and Leptoquarks.
The capability of Timepix3 detectors installed in ATLAS to measure luminosity is evaluated. It described how noisy pixels are identified and excluded. Two different methods for determination, i.e. cluster counting thermal neutron compared with each other. achieved short-term relative precision both determined by modeling the curve. shown that using a < 0.5 % can be 60 s time intervals. For neutrons, (for intervals) ≈ 2 was found. Hereby statistics limiting factor. findings discussed view...