First Application Of The γ-summing Technique In Inverse Kinematics

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The gamma-summing technique was successfully implemented for the first Lime in inverse kinematics using the NSCL Summing NaI(Tl) detector at the Nuclear Science Laboratory of the University of Notre Dame. This new method offers a way to measure (p,gamma) and (alpha,gamma) reactions on unstable nuclei, which are critical for an improved understanding of nucleosynthesis. As a proof of principle, the well-known resonances at E-c.m. = 956 key in the p(Al-27,gamma)Si-28 reaction and at E-c.m. = 1400 keV in the p(Ni-58,gamma)Cu-59 reaction were measured and their resonance strengths were deduced. The values of the present work agree well with the reported literature values, demonstrating the viability of the technique. (C) 2014 Elsevier B.V. All rights reserved.