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Determining the total fusion cross-section for 19,20O+12C near and below the Coulomb barrier

Abstract : The outer-crust of an accreting neutron star presents a unique environment for nuclear reactions to occur. In this environment, fusion of neutron-rich light nuclei has been proposed as a heat source to trigger fusion of 12C + 12C and a resulting X-ray superburst. To investigate this question an experimental program has been initiated to measure the fusion excitation function for 19,20O + 12C. The measurement relies on distinguishing evaporation residues following fusion from scattered beam by employing a time-of-flight measurement. The obstacles encountered in this type of measurement will be described and initial results will be presented. Comparison with the predictions of a density constrained TDHF model will be made.
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http://hal.in2p3.fr/in2p3-00945815
Contributor : Michel Lion <>
Submitted on : Thursday, February 13, 2014 - 11:25:06 AM
Last modification on : Thursday, February 1, 2018 - 1:34:24 AM

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R.T. de Souza, S. Hudan, K. Brown, T. Steinbach, A. Chbihi, et al.. Determining the total fusion cross-section for 19,20O+12C near and below the Coulomb barrier. Fall 2013 Indianapolis ACS National Meeting, Sep 2013, Indianapolis, United States. ⟨in2p3-00945815⟩

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