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FLNR SCIENTIFIC AND TECHNICAL COUNCIL MEETINGS AND SCIENTIFIC SEMINARS


November 2019



20.11.2019 - FLNR Scientific Seminar, "Synthesis of New Transuranium Isotopes in Multinucleon Transfer Reactions", 15-30, Flerov Lab Conference Hall.

Speaker: Sophia Heinz

GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt, Germany
Justus-Liebig-Universitat Giessen, II. Physikalisches Institut, Giessen, Germany

Recently, we observed several new isotopes with proton numbers Z ≥ 92 in low-energy collisions of 48Ca+248Cm. The peculiarity is that the nuclei were produced in deep inelastic multinucleon transfer reactions, a method which is presently discussed as a possible new pathway to enter so far unknown regions in the upper part of the nuclide chart. For separation of the transfer products we used a velocity filter, the Separator for Heavy Ion reaction Products SHIP at GSI. The resulting strong background suppression allowed us to detect nuclei with cross-sections down to the subnanobarn scale. The isotope identification was performed via the alpha decay chains of the nuclei in the focal plane of SHIP. Beside the new isotopes we identified about 100 further target-like transfer products with proton numbers up to Z=102 and determined their cross-sections. Our results will be discussed together with previous measurements, and perspectives will be given for the application of multinucleon transfer reactions to produce new heavy and superheavy isotopes.





12.11.2019 - FLNR Scientific Seminar, "Swagelok equipment for clean environment", 11-00, Flerov Lab Conference Hall.

This seminar concerns the application of Swagelok equipment in clean medium/gases. Some peculiarities of using, peculiarities and differentiation of materials and Swagelok equipment.

"Swagelok is a privately held international company, focusing on the manufacture and sale of gas and fluid systems components, such as tube fittings, valves, tubing, hoses and gauges.

Swagelok manufactures thousands of products for many industries including, alternative fuels, chemical and petrochemical, power generation, oil and gas production, chemical processing, biopharmaceutical, research, and semiconductor manufacturing. These fluid system solution products include tube fittings, valves, regulators, and hoses."



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