P. Szymański
A5074338718- 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
- Neutrino Physics Research
- Nuclear reactor physics and engineering
- Computational Physics and Python Applications
- Nuclear physics research studies
- Stochastic processes and statistical mechanics
- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Cosmology and Gravitation Theories
- Microwave Engineering and Waveguides
- Medical Imaging Techniques and Applications
- Particle Accelerators and Free-Electron Lasers
- Pediatric Urology and Nephrology Studies
- COVID-19 and healthcare impacts
- COVID-19 Clinical Research Studies
- Fusion materials and technologies
- Statistical Methods and Bayesian Inference
- Astrophysics and Cosmic Phenomena
- Electromagnetic Compatibility and Noise Suppression
- Pulsars and Gravitational Waves Research
- Renewable energy and sustainable power systems
Warsaw University of Technology
2016-2024
Argonne National Laboratory
2020-2024
Ball State University
2023
University of Jammu
2022-2023
Abilene Christian University
2019-2023
Joint Institute for Nuclear Research
1994-2022
Brookhaven National Laboratory
2018-2022
Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences
2021
American University in Cairo
2020
Variable Energy Cyclotron Centre
2020
The transverse mass ${m}_{t}$ distributions for antiprotons are measured at midrapidity minimum bias Pb+Pb collisions 158A GeV and central 20A, 30A, 40A, 80A beam energies in the fixed target experiment NA49 CERN SPS. rapidity density $\mathit{dn}/\mathit{dy}$, inverse slope parameter T, mean $\ensuremath{\langle}{m}_{t}\ensuremath{\rangle}$ derived from studied as a function of incident energy collision centrality compared to relevant data on proton production. shapes $\overline{p}$ p very...
The 2023 ESC guidelines changed previously recommended a strategy of early treatment in patients with STEMI. Pre-treatment P2Y12 receptor inhibitor may be considered undergoing primary PCI (Class IIb, Level evidence B). However, the available scientific justifies personalized approach differentiating indications for pre-treatment oral inhibitors depending on concomitant administration opioids. In our opinion, not treated opioids, an should applied, while considered.
We present measurements of the energy dependence event-by-event fluctuations in K/pi and (p + \bar{p})/pi multiplicity ratios heavy ion collisions at CERN SPS. The particle ratio were obtained for central Pb+Pb five collision energies, \sqrt{s_{_{NN}}}, between 6.3 17.3 GeV. After accounting effects finite-number statistics detector resolution, we extract strength non-statistical each energy. For ratio, larger than expected independent production are found all energies. smaller expectations...
New data on the production of protons, anti-protons and neutrons in p+p interactions are presented. The come from a sample 4.8 million inelastic events obtained with NA49 detector at CERN SPS 158 GeV/c beam momentum. charged baryons identified by energy loss measurement large TPC tracking system. Neutrons detected forward hadronic calorimeter. Inclusive invariant cross sections intervals 0 to 1.9 (0 1.5 GeV/c) transverse momentum -0.05 0.95 (-0.05 0.4) Feynman x for protons (anti-protons),...
Results are presented on event-by-event fluctuations of transverse momenta pT in central Pb+Pb interactions at 20A, 30A, 40A, 80A, and 158A GeV. The analysis was performed for charged particles forward center-of-mass rapidity (1.1<yπ*<2.6). Three fluctuation measures were studied: the distribution average momentum M(pT) event, ΦpT measure, two-particle correlations. Fluctuations small show no significant energy dependence range CERN Super Proton Synchrotron. compared with QCD-inspired...
Measurements of Bose-Einstein correlations π−π− pairs in central Pb+Pb collisions were performed with the NA49 detector at CERN Super Proton Synchroton for beam energies 20A,30A,40A,80A, and 158A GeV. Correlation functions measured longitudinally comoving "out-side-long" reference frame as a function rapidity transverse momentum forward hemisphere reaction. Radius correlation strength parameters obtained from fits Gaussian parametrization. The results show decrease radius increasing...
The centrality and system size dependence of multiplicity fluctuations charged particles produced in nuclear collisions at $158 A$ GeV was studied by the NA49 collaboration. Centrality selected Pb+Pb collisions, semi-central C+C Si+Si as well inelastic p+p interactions were analyzed. number projectile participants determined on an event-by-event basis used to characterize collision centrality. scaled variance distribution obtained forward rapidity region ($1.1 <y_{c.m.} <2.6$) shows a...
New data on the production of charged kaons in p+p interactions are presented. The come from a sample 4.8 million inelastic events obtained with NA49 detector at CERN SPS 158 GeV/c beam momentum. identified by energy loss large TPC tracking system. Inclusive invariant cross sections intervals 0 to 1.7 transverse momentum and 0.5 Feynman x. Using these as reference, new evaluation dependence kaon production, including neutral kaons, is conducted over range 3 GeV...
Transverse momentum spectra up to 4.5 GeV/c around midrapidity of pi^{+/-}, p, pbar, K^{+/-} in Pb+Pb reactions were measured at sqrt{s_{NN}}=17.3 GeV by the CERN-NA49 experiment. The nuclear modification factors R_{AA} for pi^{+/-} and R_{CP} pi^{+/-},p,pbar,K^{+/-} extracted are compared RHIC results sqrt{s_{NN}}=200 GeV. factor shows a rapid increase with transverse covered region. This indicates that Cronin effect is dominating our energy range. R_{CP}, which contribution reduced,...
Hemostasis plays a crucial role during every surgery allowing for bloodless operating field. Fast and effective leads to reduced risk of postoperative complications. One the latest methods achieving homeostasis is using natural polysaccharide-based hemostatic powders. The study aimed evaluate biocompatibility according ISO 10993 standards 4SEAL® Hemostatic powder.Chemical characterization (Headspace GC-MS, ICP-MS), cytotoxicity, genotoxicity (MLA AMES), endotoxin contamination, sensitization...
Results from electric charge correlations studied with the Balance Function (BF) method in $A+A$ collisions $20A$ to $158A$ GeV are presented two different rapidity intervals: In midrapidity region we observe a decrease of width BF distribution increasing centrality collision, whereas this effect vanishes forward region. energy dependence study central $\mathrm{Pb}+\mathrm{Pb}$ show that narrowing expressed by normalized parameter $W$ increases toward highest CERN Super Proton Synchrotron...
In this paper, we describe the performance of a prototype developed in context ALICE time-of-flight research and development system. The detector module consists 32-channel array 3/spl times/3 cm/sup 2/ glass resistive plate chamber (RPC) cells, each which has four accurately spaced gaps 0.3 mm thickness arranged as pair double-gap chambers. Operated with nonflammable gas mixture at atmospheric pressure, system achieved time resolution 90 ps 98% efficiency good uniformity moderate crosstalk....
Background Patients hospitalized due to Coronavirus disease 2019 (COVID-19) are still burdened with high risk of death. The aim this study was create a score predicting in-hospital mortality in COVID-19 patients on hospital admission. Methods Independent predictors identified multivariate logistic regression analysis were used build the 123 COVID SCORE. Diagnostic performance evaluated using area under receiver-operating characteristic curve (AUROC). Results Data from 673 median age 70 years...
Background: The coronavirus disease-2019 (COVID-19) pandemic is surging across Poland, leading to many direct deaths and underestimated collateral damage. We aimed compare the influence of COVID-19 on hospital admissions in-hospital mortality in larger vs. smaller cardiology departments (i.e., with ≥2000 <2000 hospitalizations per year 2019). Methods: performed a subanalysis COV-HF-SIRIO 6 multicenter retrospective study including all patients hospitalized 24 Poland between January 1,...
New data on forward neutron emission in fragmentation of $30A\ensuremath{-}\mathrm{GeV}\phantom{\rule{0.3em}{0ex}}^{208}\mathrm{Pb}$ ions Al, Cu, Sn, and Pb nuclei are presented. The measurements were performed at the CERN SPS framework ALICE-LUMI experiment. measured cross sections compared with predictions RELDIS model for electromagnetic interactions results abrasion-ablation hadronic interactions. excitation a projectile followed by single- double-neutron is found to be dominant process...
The performance of the High-density Projection Chamber (HPC), barrel electromagnetic calorimeter DELPHI experiment, is described. detector adopts time projection technique in order to obtain exceptionally fine spatial granularity three coordinates (/spl sim/2/spl times/20 mrad/sup 2/ /spl theta//spl times//spl phi/ with nine samplings along shower axes), using a limited number readout channels (18432). Among various topics concerning HPC construction and operation, major emphasis given...
Results are presented from a search for the decays D0→K−π+ and ¯D0→K+π− in sample of 3.8×106 central Pb-Pb events collected with beam energy 158A GeV by NA49 at CERN SPS. No signal is observed. An upper limit on D0 production derived compared to predictions several models.Received 27 July 2005DOI:https://doi.org/10.1103/PhysRevC.73.034910©2006 American Physical Society