Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 5: Nuclear Astrophysics I

HK 5.7: Talk

Monday, March 27, 2017, 18:30–18:45, F 33

Astrophysics with storage rings: ¹²⁴Xe beam at ESR — •Zuzana Slavkovská^1,2, Jan Glorius^1,2, and Christoph Langer^1,2 for the E108B collaboration — ¹Goethe University Frankfurt — ²GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt

The astrophysically motivated reaction ¹²⁴Xe(p,γ) was examined at the Experimentier-Speicherring (ESR) at the GSI in Darmstadt in June 2016.

For the first time it was possible to measure proton capture cross sections down to the Gamow window of the p-process using a storage ring. A ¹²⁴Xe beam reacted with a hydrogen gas jet target at five different energies between 5.5 AMeV and 8 AMeV. A newly designed double-sided silicon strip detector (DSSSD) placed directly into the ultrahigh vacuum of the ESR was used to detect the reaction products.

In this talk the experimental set-up and method as well as the first results of the beamtime will be presented.

This project is supported by BMBF-CRYRING, HGS-HIRe, HIC for FAIR and GSI-F&E.