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Verhandlungen
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DPG

Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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HK: Fachverband Physik der Hadronen und Kerne

HK 1: Invited Talks I

HK 1.3: Invited Talk

Monday, March 30, 2020, 12:15–12:45, H-HS X

Pushing the frontiers in mass measurements of short-lived exotic nuclei — •Timo Dickel — Justus-Liebig-Universität Gießen — GSI Helmholtzzentrum für Schwerionenforschung

Recently, high-performance multiple-reflection time-of-flight mass spectrometers (MR-TOF-MS) have been developed at Justus Liebig University Gießen for the mass measurement of exotic nuclei. They have been used to perform experiments at the FRS Ion Catcher experiment at the in-flight fragment separator FRS at GSI and at the TITAN experiment at the ISOL facility of TRIUMF, Canada. Unprecedented sensitivity and mass resolving powers (up to one million) have been reached. Very exotic and short-lived ground and isomeric states (half-lives down to less than 2 ms) over a large range of elements have been measured. The experiments provide important information for nuclear structure and nuclear astrophysics. In addition, the use of these MR-TOF-MS goes even beyond these applications, e.g. they can be employed to unambiguously identify and analyze ions independent of their decay properties. This enables novel and universal approaches to measure reaction cross-sections, fission yields, half-lives, and branching ratios. Recent highlights and perspectives from both experiments at GSI and TRIUMF will be presented.

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