A. Obłąkowska-Mucha
A5016589226- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Neutrino Physics Research
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Black Holes and Theoretical Physics
- Computational Physics and Python Applications
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Atomic and Subatomic Physics Research
- Superconducting Materials and Applications
- Radiation Detection and Scintillator Technologies
- Nuclear physics research studies
- Stochastic processes and statistical mechanics
- Cosmology and Gravitation Theories
- Distributed and Parallel Computing Systems
- Advanced Data Storage Technologies
- International Science and Diplomacy
- Algorithms and Data Compression
- Particle accelerators and beam dynamics
- Astrophysics and Cosmic Phenomena
- Markov Chains and Monte Carlo Methods
- Radiation Effects in Electronics
- Advanced NMR Techniques and Applications
AGH University of Krakow
2016-2025
Jagiellonian University
2005-2025
University of Chinese Academy of Sciences
2020
Tsinghua University
2020
Peking University
2020
State Key Laboratory of Nuclear Physics and Technology
2020
Central China Normal University
2014-2020
Institute of High Energy Physics
2020
Centro Brasileiro de Pesquisas Físicas
2013-2019
European Organization for Nuclear Research
2011-2016
The Vertex Locator (VELO) is a silicon microstrip detector that surrounds the proton-proton interaction region in LHCb experiment. performance of during first years its physics operation reviewed. system operated vacuum, uses bi-phase CO2 cooling system, and sensors are moved to 7 mm from LHC beam for data taking. stability these characteristic features described, details material budget given. calibration timing processing algorithms implemented FPGAs described. fully characterised. have...
The LHCb Vertex Locator (VELO) is a silicon strip detector designed to reconstruct charged particle trajectories and vertices produced at the interaction region. During first two years of data collection, 84 VELO sensors have been exposed range fluences up maximum value approximately 45 × 1012 1 MeV neutron equivalent (1 neq). At operational sensor temperature −7 °C, average rate current increase 18 μA per fb−1, in excellent agreement with predictions. effective bandgap has determined using...
Precise knowledge of the location material in LHCb vertex locator (VELO) is essential to reducing background searches for long-lived exotic particles, and identifying jets that originate from beauty charm quarks. Secondary interactions hadrons produced beam-gas collisions are used map VELO. Using this map, along with properties a reconstructed secondary its constituent tracks, $p$-value can be assigned hypothesis originates interaction. A validation procedure presented using photon...
Abstract The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I facilitates operation at higher luminosity and utilises full-detector information the collision rate, critically including use of vertex information. A new locator system, VELO Upgrade, been constructed. core element are double-sided pixelated hybrid silicon modules which operate in vacuum close to beam high radiation environment. construction quality assurance tests these described this paper. incorporate...
This article describes the high-speed system designed to meet challenging requirements for readout of new pixel VErtex LOcator (VELO) upgraded LHCb experiment. All elements electronics chain will be renewed cope with requirement ~40-MHz full-event rate. The sensors equipped VeloPix ASICs and placed at ~5 mm from Large Hadron Collider (LHC) beams in a secondary vacuum tank an extremely high nonhomogeneous radiation environment. front-end (FE) highest occupancy have pixel-hit rates above ~900...
The new LHCb Vertex Locator (VELO) for LHCb, comprising a pixel detector and readout electronics, will be installed in 2021 data taking Run 3 at the LHC. electronics centers around "VeloPix" ASIC front-end operating trigger-less 40MHz. A custom serializer, called gigabit wireline transmitter (GWT), associated protocol have been designed VeloPix. GWT are sent from serializers of VeloPix line rate 5.12 Gb/s, reaching total 2–3 Tb/s full VELO detector. Data over 300-m optic-fiber links to...
The Large Hadron Collider beauty (LHCb) detector is designed to detect decays of b- and c- hadrons for the study CP violation rare decays. At end LHC Run 2, many LHCb measurements remained statistically dominated. In order increase trigger yield purely hadronic channels, hardware will be removed, read out at 40 MHz. This, in combination with five-fold luminosity, requires radical changes LHCb's electronics, and, some cases, replacement entire sub-detectors state-of-the-art technologies....
The primary focus of the LHC experiments was observation Standard Model particles and search for unexplored signatures indicative New Physics. Given current discoveries measurements done so far, detectors trigger architecture are being changed to allow searches long-lived particles. LHCb's trackers have excelled in precise reconstruction heavy flavour hadrons, experiment is now at forefront designing flexible systems. Similarly, ATLAS CMS, with their trackers, also exploring new avenues by...
The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I facilitates operation at higher luminosity and utilises full-detector information the collision rate, critically including use of vertex information. A new locator system, VELO Upgrade, been constructed. core element are double-sided pixelated hybrid silicon modules which operate in vacuum close to beam high radiation environment. construction quality assurance tests these described this paper. incorporate 200 \mum...
The major LHC upgrade is planned after ten years of accelerator operation. It foreseen to significantly increase the luminosity current machine up 1035 cm−2s−1 and operate as upcoming High Luminosity (HL-LHC) . detectors upgrade, called Phase-II Upgrade, also planned, a main reason being aging processes caused by severe particle radiation. Within RD50 Collaboration, large Research Development program has been underway develop silicon sensors with sufficient radiation tolerance for HL-LHC...
LHCb is a dedicated flavour physics experiment at the Large Hadron Collider CERN. The Vertex Locator (VELO) an important part of tracking system, enabling precision measurement beauty and charm mesons' flight distance. VELO consist set silicon micro-strip detectors, arranged in two retractable halves, operating only 7 mm from interaction region. In these proceedings performance during Run 1 summarised radiation damage studies are presented.
Radiation damage is nowadays the most serious problem in silicon particle detectors placed very harsh radiation environment.This will be even more pronounced after LHC Upgrade because of extremely strong fluences never encountered before.In this review, a few aspects trackers are presented.Among them, change lattice and its influence on detector performance discussed.Currently applied solutions new ideas for future experiments also shown.Most results presented summary were obtained within...
Vertex locator (VELO) is a silicon microstrip detector situated around the interaction point in large Hadron Collider beauty (LHCb) spectrometer at Large Collider. The LHCb experiment dedicated to studying charge conjugation and parity symmetry violation heavy flavor sector rare decays of B mesons. precise reconstruction both primary secondary vertices, obtained by VELO, crucial selection signal events containing b c quarks lifetime measurements. VELO consists two retractable parts that...
The optimization of the Beetle readout ASIC and performance software for signal processing based on machine learning methods are presented. chip was developed LHCb (Large Hadron Collider beauty) tracking detectors used in VELO (Vertex Locator) during Run 1 2 LHC data taking. VELO, surrounding beam crossing region, a leading part system. to read out from silicon microstrips, integrating amplifying it. studies presented this paper cover its electronic configuration achieve lower power...
Abstract The last decade showed the leading role of Large Hadron Collider (LHC) experiments in particle physics. To fully exploit its physics potential, significant increase LHC luminosity is planned. At High Phase-II Upgrade (HL-LHC), foreseen for 2027, a peak instantaneous 5 × 10 34 cm −2 , with an integrated 3000 fb −1 expected. will be subjected to radiation levels up 2 16 neq/cm at innermost layers detectors. Since more than RD50 collaboration has been conducting R&D program across...
LHCb spectrometer collected more than 3fb −1 of data in the years 2010-12. This brief summary presents very latest results obtained rare B decays, mixing and CP violation charm sector.
The LHCb detector is a single-arm forward spectrometer that collects data at the LHC.In this review, few of recent results in field b-hadron decays performed by Collaboration are presented.The analyses use proton-proton collision corresponding to 3 fb -1 collected during 2011 and 2012 physics runs with centerof-mass energies 7 8 TeV.
The LHCb detector is a single-arm forward spectrometer that collects data at the LHC, designed for studies of flavour physics with high precision.In this review, few selected results regarding CP violation are discussed particular emphasis on CKM γ angle measurements.This summary covers based collected by during 2011 and 2012 proton-proton LHC runs centre-of-mass energies 7 8 TeV, respectively.Some remarks prospects analyses foreseen in ongoing Run 2 also presented.
The LHCb detector is a single-arm forward spectrometer that collects data at the LHC, designed for studies of flavour physics with high precision. We present selection recent measurements mixing and CP-violating parameters, including sin 2β weak phase ϕ s, using several decays. A good understanding pollution from sub-leading penguin to pologies in these can be achieved by measuring CP violation polarization decay Bs0→Jψ⁄K0* B0→Jψ⁄ ρ0. All results here presented are obtained full Run I dataset.