Nuclear physics experiments for the astrophysical p process

Progress in Particle and Nuclear Physics(2011)

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Abstract
We studied the two astrophysically interesting reactions 141Pr(α,n)144Pm and 92Mo(p,γ)93Tc with the activation method and with the in-beam method, respectively. The 141Pr(α,n)144Pm experiment was performed at the cyclotron of the ‘Physikalisch Technische Bundesanstalt (PTB)’ in Braunschweig, Germany, and the reaction was studied within and just above the so-called Gamow window. In this proceedings, we present the experimental details of this measurement. The proton-capture reaction on the neutron-magic nucleus 92Mo was studied at energies relevant for the astrophysical p process. The reaction was investigated by the in-beam technique using the γ-ray detector array HORUS (High efficient Observatory for γ-Ray Unique Spectroscopy) at the TANDEM ion accelerator at the University of Cologne. The preliminary experimental results are compared to data stemming from other measurements.
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Key words
p process,Explosive nucleosynthesis,Activation method,In-beam technique
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