Search Results - "Niedzwiecki, Szymon"
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Positronium imaging with the novel multiphoton PET scanner
Published in Science advances (15-10-2021)“…In vivo assessment of cancer and precise location of altered tissues at initial stages of molecular disorders are important diagnostic challenges. Positronium…”
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Monte Carlo simulations of the underwater detection of illicit war remnants with neutron-based sensors
Published in European physical journal plus (25-08-2023)“…In recent years, the demand for accurate detection and identification of hazardous substances in an aquatic environment, especially in the Baltic Sea, has seen…”
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A Simple Approach for Experimental Characterization and Validation of Proton Pencil Beam Profiles
Published in Frontiers in physics (28-10-2020)“…A precise characterization of therapeutic proton pencil beams is essential for the commissioning of any treatment planning system (TPS). The dose profile…”
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Positronium lifetime validation measurements using a long-axial field-of-view positron emission tomography scanner
Published in EJNMMI physics (30-08-2024)“…Background Positron emission tomography (PET) traditionally uses coincident annihilation photons emitted from a positron interacting with an electron to…”
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Feasibility of the J-PET to monitor the range of therapeutic proton beams
Published in Physica medica (01-02-2024)“…The aim of this work is to investigate the feasibility of the Jagiellonian Positron Emission Tomography (J-PET) scanner for intra-treatment proton beam range…”
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Positronium image of the human brain in vivo
Published in Science advances (13-09-2024)“…Positronium is abundantly produced within the molecular voids of a patient's body during positron emission tomography (PET). Its properties dynamically respond…”
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TOF-PET detector concept based on organic scintillators
Published in Nuclear medicine review. Central & Eastern Europe (01-01-2012)“…In this contribution we present a new concept of the large acceptancedetector systems based on organic scintillators whichmay allow for simultaneous diagnostic…”
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Strip- PET: a novel detector concept for the TOF-PET scanner
Published in Nuclear medicine review. Central & Eastern Europe (01-01-2012)“…We briefly present a design of a new PET scanner based onstrips of polymer scintillators arranged in a barrel constitutinga large acceptance detector. The…”
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Developing a novel positronium biomarker for cardiac myxoma imaging
Published in EJNMMI physics (24-03-2023)“…Purpose Cardiac myxoma (CM), the most common cardiac tumor in adults, accounts for 50–75% of benign cardiac tumors. The diagnosis of CM is often elusive,…”
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Discrete symmetries tested at 10−4 precision using linear polarization of photons from positronium annihilations
Published in Nature communications (02-01-2024)“…Discrete symmetries play an important role in particle physics with violation of CP connected to the matter-antimatter imbalance in the Universe. We report the…”
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Potentialities of CdZnTe Quasi-Hemispherical Detectors for Hard X-ray Spectroscopy of Kaonic Atoms at the DAΦNE Collider
Published in Sensors (Basel, Switzerland) (22-08-2023)“…Kaonic atom X-ray spectroscopy is a consolidated technique for investigations on the physics of strong kaon–nucleus/nucleon interaction. Several experiments…”
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Transformation of PET raw data into images for event classification using convolutional neural networks
Published in Mathematical biosciences and engineering : MBE (01-01-2023)“…In positron emission tomography (PET) studies, convolutional neural networks (CNNs) may be applied directly to the reconstructed distribution of radioactive…”
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Silicon Drift Detectors’ Spectroscopic Response during the SIDDHARTA-2 Kaonic Helium Run at the DAΦNE Collider
Published in Condensed matter (01-12-2021)“…A large-area silicon drift detectors (SDDs) system has been developed by the SIDDHARTA-2 collaboration for high precision light kaonic atom X-ray spectroscopy…”
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14
Novel scintillating material 2-(4-styrylphenyl)benzoxazole for the fully digital and MRI compatible J-PET tomograph based on plastic scintillators
Published in PloS one (27-11-2017)“…A novel plastic scintillator is developed for the application in the digital positron emission tomography (PET). The novelty of the concept lies in application…”
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Characterization of the SIDDHARTA-2 Setup via the Kaonic Helium Measurement
Published in Condensed matter (01-03-2024)“…The aim of the SIDDHARTA-2 experiment is to perform the first measurement ever of the width and shift induced by the strong interaction to the 2p→1s energy…”
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Kaonic Atoms to Investigate Global Symmetry Breaking
Published in Symmetry (Basel) (04-04-2020)“…Kaonic atoms measure the antikaon-nucleus interaction at almost zero relative energy, allowing one to determine basic low-energy quantum chromodynamics (QCD)…”
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Studies of unicellular microorganisms Saccharomyces cerevisiae by means of positron annihilation lifetime spectroscopy
Published in Nukleonika (01-12-2015)“…Results of positron annihilation lifetime spectroscopy (PALS) and microscopic studies on simple microorganisms, brewing yeasts, are presented. Lifetime of…”
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Kaonic atoms measurements at the DAΦNE collider: the SIDDHARTA-2 experiment
Published in EPJ Web of conferences (2022)“…The X-ray spectroscopy measurements of light kaonic atoms’ deexcitation towards the fundamental level provide unique information on the low-energy Quantum…”
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Reconstruction of hit time and hit position of annihilation quanta in the J-PET detector using the Mahalanobis distance
Published in Nukleonika (01-12-2015)“…The J-PET detector being developed at the Jagiellonian University is a positron emission tomograph composed of the long strips of polymer scintillators. At the…”
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X-ray Detectors for Kaonic Atoms Research at DAΦNE
Published in Condensed matter (25-04-2019)“…This article presents the kaonic atom studies performed at the INFN National Laboratory of Frascati (Laboratori Nazionali di Frascati dell’INFN, LNF-INFN)…”
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