Measurement of alpha-induced reaction cross sections on erbium isotopes for γ process studies

Kiss, G. G., Szücs, T., Török, Z., Fülöp, Z., Gyürky, G., Halász, Z., Somorjai, E. and Rauscher, T. (2014) Measurement of alpha-induced reaction cross sections on erbium isotopes for γ process studies. In: Origin of Matter and Evolution of Galaxies 2013 :. AIP Conf Procs . American Institute of Physics (AIP), JPN, pp. 196-200. ISBN 978-0-7354-1228-6

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The cross sections of the 162Er(α,γ)166Yb and 162,164,166Er(α,n)165,167,169Yb reactions have been measured at MTA Atomki. The radiative alpha capture reaction cross section was measured between Ec.m. = 11.21 MeV and Ec.m. = 16.09 MeV just above the astrophysically relevant energy region (which lies between 7.8 and 11.48 MeV at T9 = 3 GK). The 162Er(α,n)165Yb, 164Er(α,n)167Yb and 166Er(α,n)169Yb reactions were studied between Ec.m. = 12.19 and 16.09 MeV, Ec.m. = 13.17 and 16.59 MeV and Ec.m. = 12.68 and 17.08 MeV, respectively. The aim of this work is to provide experimental data for modeling the γ process which is thought to be responsible for the production of the proton-rich isotopes heavier than iron. © 2014 AIP Publishing LLC.

Item Type	Book Section
Keywords	alpa-induced reaction cross sections, astrophysical gamma process, statistical model, isotopes, ytterbium, alpha-induced reactions, energy regions, gamma process, radiative alpha captures, reaction cross-sections, statistical modeling, erbium
Date Deposited	15 May 2025 16:34
Last Modified	30 May 2025 23:14

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