Darmstadt 2016 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 57: Nuclear Astrophysics V
HK 57.3: Vortrag
Donnerstag, 17. März 2016, 17:15–17:30, S1/01 A04
Charged-particle-induced reactions for astrophysics with storage rings — •Zuzana Slavkovská1,2, Jan Glorius1,2, Christoph Langer1,2, and René Reifarth1,2 — 1Goethe-University Frankfurt — 2GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt
The astrophysical p-process involves reactions on unstable proton-rich isotopes with small cross sections in the astrophysically relevant energy range. As such, no suitable targets can be produced. The use of ion storage rings with beam cooling offers unique experimental conditions for experiments on such isotopes using inverse kinematics. The radioactive beams, especially short-lived, can be stored efficiently. Using a gas-jet hydrogen target, sufficiently high luminosities can be reached allowing investigation of charged-particle-induced reactions.
A pilot experiment using the Experimental Storage Ring (ESR) at GSI in Darmstadt allowed first measurements of (p,γ) reactions using stored 96Ru ions at the energy of a few AMeV close to the Gamow window and proofed the applicability of this method.
This talk describes general advantages of using ion storage rings over traditional methods and improvements of the ESR experimental setup towards measurements directly inside the Gamow window. Future plans of possible measurements at the ESR and the new low-energy storage ring CRYRING will be presented.
This project is supported by BMBF-CRYRING, HGS-HIRe and HIC for FAIR.