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Wojciech Krzemien

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High Energy Physics Division National Centre for Nuclear Research PL-05-400 Otwock, Świerk POLAND


Research topics

I am an assistant professor at the National Centre for Nuclear Research (NCBJ), Warsaw, Poland and a senior researcher in the J-PET project, which aims at the construction of a novel cost-effective, total-body PET tomography scanner made of plastic scintillators ( My work consists of the coordination of software development tools ( including image reconstruction algorithms, Monte Carlo simulations, data analysis framework (, and applications of the machine learning methods to PET tomography. I am a member of the OpenGate steering committee since 2019. We are especially focused on  the assessment of the total-body scanners and on the development of novel PET methods ,e.g. positronium tomography, using GATE. I am also the founder of a group focused on medical data reconstruction and processing using GRID and Cloud solutions.

Additionally, my interests are focused on experimental testing of discrete symmetries in neutral mesons systems (KLOE-2 and LHCb projects). Within the LHCb Collaboration, I also participate in the development and implementation of the scalable Pilot Logger system based on the Message Queue architecture (RabbitMQ, ActiveMQ) as a part of the DIRAC middleware. Moreover, I coordinate the software activities of the NCBJ group dedicated to the upgrade of the reconstruction algorithms and to the application of Machine Learning methods for the Electromagnetic Calorimeter.

SCOPUS Author ID: 26531286100