Measurement of Th-232(n,5n gamma) cross sections from 29 MeV to 42 MeV
Koning, A. J.
Meulders, J. P.
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The excitation function of the reaction (232) Th(n, 5n gamma)(228) Th from 29 to 42 MeV has been measured for the first time at the quasi-monoenergetic neutron beam of the UCL cyclotron CYCLONE employing the Li-7(p,n) source reaction. Taking advantage of the good energy resolution of the planar High-Purity Germanium (HPGe) detectors, prompt gamma-ray spectroscopy was used to detect the gamma-rays resulting from the decay of excited states of nuclei created by the (n,xn) reactions. The neutron beam was characterized by a combination of time of flight measurements carried out using a liquid scintillation detector and a U-238 fission ionization chamber. Fluence measurements were performed using a proton recoil telescope. The results are compared with TALYS-1.4 code calculations.
Извор:European Physical Journal A. Hadrons and Nuclei, 2014, 50, 10
ISSN: 1434-6001 (print); 1434-601X (electronic)