Experimental study of the 15O(2p, γ)17Ne cross section by Coulomb Dissociation for the rp process

Abstract : The time-reversed reaction 15O(2p, $\gamma$)17Ne has been studied by the Coulomb dissociation technique. Secondary 17Ne ion beams at 500 AMeV have been produced by fragmentation reactions of 20Ne in a beryllium production target and dissociated on a secondary Pb target. The incoming beam and the reaction products have been identified with the kinematically complete LAND-R3B experimental setup at GSI. The excitation energy prior to decay has been reconstructed by using the invariant-mass method. The preliminary differential and integral Coulomb Dissociation cross sections ($\sigma$Coul) have been calculated, which provide a photoabsorption ("photo) and a radiative capture cross section ($\sigma$cap). Additionally, important information about the nuclear structure of the 17Ne nucleus will be obtained. The analysis is in progress.
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Submitted on : Wednesday, April 27, 2016 - 1:00:44 PM
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J. Marganiec, F. Wamers, F. Aksouh, Y. Aksyutina, H. Alvarez Pol, et al.. Experimental study of the 15O(2p, γ)17Ne cross section by Coulomb Dissociation for the rp process. Sixth International Conference on Nuclear Physics in Astrophysics (NPA-VI), May 2013, Lisbon, Portugal. pp.012046, ⟨10.1088/1742-6596/665/1/012046⟩. ⟨in2p3-01308186⟩

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