Search Results - "Pospiech, P."
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Measurement of the first ionization potential of lawrencium, element 103
Published in Nature (London) (09-04-2015)“…Lawrencium, with atomic number 103, has an isotope with a half-life of 27 seconds; even so, its first ionization potential has now been measured on an…”
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2
Review of even element super-heavy nuclei and search for element 120
Published in The European physical journal. A, Hadrons and nuclei (28-06-2016)“… The reaction 54 Cr$ + $ 248 Cm was investigated at the velocity filter SHIP at GSI, Darmstadt, with the intention to study production and decay properties of…”
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3
Zeptosecond contact times for element Z=120 synthesis
Published in Physics letters. B (10-09-2020)“…The synthesis of new superheavy elements beyond oganesson (Z=118) requires fusion reactions with projectile nuclei with proton numbers larger than that of 48Ca…”
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Advancements in the fabrication and characterization of actinide targets for superheavy element production
Published in Journal of radioanalytical and nuclear chemistry (01-05-2023)“…The heaviest elements can exclusively be produced in actinide-target based nuclear fusion reactions with intense heavy-ion beams. Ever more powerful…”
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Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114)
Published in Physics letters. B (10-09-2021)“…Measurements of mass and angular distributions have been made for fission-like outcomes in reactions forming isotopes of flerovium (Z=114), using 48Ca, 50Ti,…”
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6
Recoil-α-fission and recoil-α–α-fission events observed in the reaction 48Ca + 243Am
Published in Nuclear physics. A (01-09-2016)“…Products of the fusion-evaporation reaction 48Ca + 243Am were studied with the TASISpec set-up at the gas-filled separator TASCA at the GSI Helmholtzzentrum…”
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7
Spectroscopy along Flerovium Decay Chains: Discovery of 280Ds and an Excited State in 282Cn
Published in Physical review letters (22-01-2021)“…A nuclear spectroscopy experiment was conducted to study α -decay chains stemming from isotopes of flerovium (element Z = 114). An upgraded TASISpec decay…”
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Hydrophilic Polysiloxane Microspheres and Ceramic SiOC Microspheres Derived from Them
Published in Journal of inorganic and organometallic polymers and materials (2020)“…In this overview article, the research on polysiloxane microspheres performed in the authors’ laboratory is briefly reviewed. These microspheres are prepared…”
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Manifestation of relativistic effects in the chemical properties of nihonium and moscovium revealed by gas chromatography studies
Published in Frontiers in chemistry (23-09-2024)“…Chemical reactivity of the superheavy elements nihonium (Nh, element 113) and moscovium (Mc, element 115) has been studied by the gas-solid chromatography…”
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10
On the use of stacks of fission-like targets for neutron capture experiments
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-05-2019)“…The measurement of neutron induced reactions on unstable isotopes is of interest in many fields, from nuclear energy to astrophysics or applications; in…”
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Preparation of actinide targets for the synthesis of the heaviest elements
Published in Journal of radioanalytical and nuclear chemistry (01-02-2014)“…The heaviest elements are synthesized in heavy-ion induced hot fusion reactions with various actinide targets. Because the actinide material is often available…”
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12
Palladium supported on triazolyl-functionalized polysiloxane as recyclable catalyst for Suzuki–Miyaura cross-coupling
Published in Applied catalysis. A, General (2014)“…•Very good catalytic activity of palladium supported on polysiloxane in Suzuki–Miyaura reaction.•Strong ability of functionalized polysiloxane to bond…”
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13
Rapid extraction of short-lived isotopes from a buffer gas cell for use in gas-phase chemistry experiments, Part II: On-line studies with short-lived accelerator-produced radionuclides
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-11-2021)“…A novel combination of advanced gas-chromatography and detection systems coupled to a buffer-gas cell was characterized on-line to allow gas-phase chemical…”
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14
Polysiloxane Derived Macroporous Silicon Oxycarbide Microspheroidal Particles and Their Decoration with 1D Structures
Published in Journal of inorganic and organometallic polymers and materials (01-09-2020)“…A simple method of synthesis for the macroporous SiOC spheroidal microparticles was developed. Preceramic polysiloxane macroporous microbeads were obtained by…”
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15
Macroporous microspheres and microspheroidal particles from polyhydromethylsiloxane
Published in Colloid and polymer science (01-05-2017)“…Polysiloxane macroporous microspheres and macroporous spheroidal particles were generated from a linear siloxane polymer using a simple emulsion procedure…”
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16
Effect of surface treatment on the initial bond strength of different luting cements to zirconium oxide ceramic
Published in Clinical oral investigations (01-06-2009)“…The objective of this study was to compare the shear bond strength to zirconium oxide ceramic of adhesive-phosphate-monomer-containing (APM) and…”
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TASISpec—A highly efficient multi-coincidence spectrometer for nuclear structure investigations of the heaviest nuclei
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2010)“…TASISpec (TASCA in Small Image mode Spectroscopy) combines composite Ge- and Si-detectors for a new detector setup aimed towards multi-coincidence γ-ray,…”
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Reusable functionalized polysiloxane-supported palladium catalyst for Suzuki–Miyaura cross-coupling
Published in Journal of catalysis (01-09-2011)“…Palladium supported on siloxane polymer functionalized with imidazole groups efficiently catalyzes Suzuki–Miyaura reaction under mild conditions in…”
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19
Recent Results for the ECHo Experiment
Published in Journal of low temperature physics (01-08-2016)“…The Electron Capture in 163 Ho experiment, ECHo, is designed to investigate the electron neutrino mass in the sub-eV range by means of the analysis of the…”
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Remarks on the fission barriers of super-heavy nuclei
Published in The European physical journal. A, Hadrons and nuclei (27-04-2016)“… Shell-correction energies of super-heavy nuclei are approximated by using values of measured decay chains. Five decay chains were analyzed, which start at…”
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