Search Results - "Pietraszko, J."
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Measurement of global polarization of Λ hyperons in few-GeV heavy-ion collisions
Published in Physics letters. B (10-12-2022)“…The global polarization of Λ hyperons along the total orbital angular momentum of a relativistic heavy-ion collision is presented based on the high statistics…”
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Deep sub-threshold ϕ production in Au+Au collisions
Published in Physics letters. B (10-03-2018)“…We present data on charged kaons (K±) and ϕ mesons in Au(1.23A GeV)+Au collisions. It is the first simultaneous measurement of K− and ϕ mesons in central…”
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Centrality determination of Au + Au collisions at 1.23A GeV with HADES
Published in The European physical journal. A, Hadrons and nuclei (2018)“… The centrality determination for Au + Au collisions at 1.23 A GeV, as measured with HADES at the GSI-SIS18, is described. In order to extract collision…”
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Partial wave analysis of the reaction p(3.5 GeV)+p→pK+Λ to search for the “ppK−” bound state
Published in Physics letters. B (06-03-2015)“…Employing the Bonn–Gatchina partial wave analysis framework (PWA), we have analyzed HADES data of the reaction p(3.5 GeV)+p→pK+Λ. This reaction might contain…”
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Low Gain Avalanche Detectors for the HADES reaction time (T0) detector upgrade
Published in The European physical journal. A, Hadrons and nuclei (2020)“…Low Gain Avalanche Detector (LGAD) technology has been used to design and construct prototypes of time-zero detector for experiments utilizing proton and pion…”
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Statistical hadronization model analysis of hadron yields in p + Nb and Ar + KCl at SIS18 energies
Published in The European physical journal. A, Hadrons and nuclei (01-06-2016)“… The HADES data from p + Nb collisions at a center-of-mass energy of GeV are analyzed employing a statistical hadronization model. The model can successfully…”
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Subthreshold Ξ^{-} production in collisions of p(3.5 GeV)+Nb
Published in Physical review letters (29-05-2015)“…Results on the production of the double strange cascade hyperon Ξ^{-} are reported for collisions of p(3.5 GeV)+Nb, studied with the High Acceptance…”
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Origin of the low-mass electron pair excess in light nucleus–nucleus collisions
Published in Physics letters. B (14-06-2010)“…We report measurements of electron pair production in elementary p+p and d+p reactions at 1.25 GeV/u with the HADES spectrometer. For the first time, the…”
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Study of the quasi-free np→npπ+π− reaction with a deuterium beam at 1.25 GeV/nucleon
Published in Physics letters. B (12-11-2015)“…The tagged quasi-free np→npπ+π− reaction has been studied experimentally with the High Acceptance Di-Electron Spectrometer (HADES) at GSI at a deuteron…”
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Sub-threshold production of Ks0 mesons and Λ hyperons in Au+Au collisions at sNN=2.4 GeV
Published in Physics letters. B (10-06-2019)“…We present first data on sub-threshold production of Ks0 mesons and Λ hyperons in Au+Au collisions at sNN=2.4 GeV. We observe an universal 〈Apart〉 scaling of…”
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In-Beam Diamond Start Detectors
Published in IEEE transactions on nuclear science (01-08-2011)“…This paper describes operation principles and the in-beam performance of Start Detector (SD) assemblies consisting of Diamond Detectors (DDs) grown by Chemical…”
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Time-Like Baryon Transitions studies with HADES
Published in EPJ Web of conferences (2019)“…The HADES collaboration uses the e + e − production as a probe of the resonance matter produced in collisions at incident energies of 1-3.5 GeV/nucleon at GSI…”
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Journal Article Conference Proceeding -
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Exploring time like tranistions in pp, πp and AA reactions with HADES
Published in EPJ Web of Conferences (01-01-2020)“…Radiative transition of an excited baryon to a nucleon with emission of a virtual massive photon converting to dielectron pair (Dalitz decays) provides…”
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Journal Article Conference Proceeding -
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A large area timing RPC prototype for ion collisions in the HADES spectrometer
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2004)“…We present a resistive plate chamber (RPC) prototype for time-of-flight measurements over large areas and at high occupancies, minimizing the inter-channel…”
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Production of in reactions at 3.5 GeV beam energy
Published in Nuclear physics. A (01-05-2012)Get full text
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In-medium hadron properties measured with HADES
Published in EPJ Web of conferences (01-01-2014)“…Many QCD based and phenomenological models predict changes of hadron properties in a strongly interacting environment. The results of these models differ…”
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Electromagnetic Calorimeter for HADES Experiment
Published in EPJ Web of conferences (2014)“…Electromagnetic calorimeter (ECAL) is being developed to complement dilepton spectrometer HADES. ECAL will enable the HADES FAIR experiment to measure data on…”
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Highlights of Resonance Measurements With HADES
Published in EPJ Web of conferences (01-01-2015)“…This contribution aims to give a basic overview of the latest results regarding the production of resonances in different collision systems. The results were…”
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Journal Article Conference Proceeding -
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Investigating hadronic resonances in pp interactions with HADES
Published in EPJ Web of conferences (01-01-2015)“…In this paper we report on the investigation of baryonic resonance production in proton-proton collisions at the kinetic energies of 1.25 GeV and 3.5 GeV,…”
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Journal Article Conference Proceeding -
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Probing of in-medium hadron structure with HADES
Published in Nuclear Physics A (07-03-2005)“…The High Acceptance DiElectron Spectrometer (HADES) has been recently commissioned at GSI Darmstadt. It has been designed to study hadron properties inside…”
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Journal Article Conference Proceeding