EPJ Web of Conferences
Volume 93, 2015CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics
|Number of page(s)||2|
|Published online||28 May 2015|
Investigation of the reaction 90Zr(p,γ) with in-beam γ-ray spectroscopy
1 Institut für Angewandte Physik, Goethe Universität Frankfurt am Main, D-60438 Frankfurt a. M., Germany
2 Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
3 GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
a e-mail: email@example.com
Published online: 28 May 2015
The p nucleus 92Mo is believed to be mainly produced through photodisintegration reactions in type II supernovae. However, this production scenario cannot solely account for the observed solar relative isotopic abundance of 92Mo. Additional production scenarios have been suggested to explain this discrepancy. One of these scenarios could be the production of 92Mo in type Ia supernovae via a chain of proton-capture reactions. To verify this scenario, an accurate knowledge of the involved reaction rates is important. We measured the cross section of 90Zr(p,γ) reaction using an enriched 90Zr target by means of in-beam γ-ray spectroscopy in the energy range between 3.6MeV and 5.1MeV. Since the reactions 90Zr(p,γ) and 91Zr(p,n) produce the same nucleus, the contributions of both reactions have to be disentangled. This procedure is explained in this contribution in detail.
© Owned by the authors, published by EDP Sciences, 2015
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