Cross section measurements of α-induced reactions onMo<mml:mprescripts/><mml:none/>92,94andSn<mml:mprescripts/><mml:none/>112forp-process studies

2008/08/19 by W. Rapp, I. Dillmann, F. Käppeler +5 · 3 citations
Physics and Astronomy · #Advanced Chemical Physics Studies #Astronomical and nuclear sciences #Nuclear physics research studies #astro-ph #nucl-ex

paper · pdf · doi:10.1103/physrevc.78.025804

published as Phys.Rev.C78:025804,2008 · 9 pages, 5 figures

openalex publication_date 2008/08/19 · arxiv created 2008/09/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The ⁹²Mo(\ensuremathα,n)⁹⁵Ru, ⁹⁴Mo(\ensuremathα,n)⁹⁷Ru, and ¹¹²Sn(\ensuremathα,\ensuremathγ)¹¹⁶Te cross sections were measured at the upper end of the p-process Gamow window between 8.2 and 11.1 MeV. Our results are slightly lower than global Hauser-Feshbach calculations from the code NON-SMOKER, but still within the uncertainty of the prediction. The ¹¹²Sn(\ensuremathα,\ensuremathγ)¹¹⁶Te cross section agrees well with a recently measured thick-target cross section in the same energy range. For the ^92,94Mo(\ensuremathα,n) reactions the present data close to the reaction thresholds could eliminate previous uncertainties within a factor of 20, and we can present now useful comparisons to statistical model calculations with different optical potentials.

Citations

• Branchings in the γ process path revisited
• rp-process nucleosynthesis at extreme temperature and density conditions

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