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First results of the 241Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN (CROSBI ID 695190)

Prilog sa skupa u zborniku | kratko priopćenje | međunarodna recenzija

(n_TOF Collaboration) Eleme, Z. ; ... ; Bosnar, Damir ; ... ; Žugec, Petar First results of the 241Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN // EPJ web of conferences / Ge, Z. ; Shu, N. ; Chen, Y. et al. (ur.). 2020. str. 1-5 doi: 10.1051/epjconf/202023905014

Podaci o odgovornosti

Eleme, Z. ; ... ; Bosnar, Damir ; ... ; Žugec, Petar

n_TOF Collaboration

engleski

First results of the 241Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN

Feasibility, design and sensitivity studies on innovative nuclear reactors that could address the issue of nuclear waste transmutation using fuels enriched in minor actinides, require high accuracy cross section data for a variety of neutron-induced reactions from thermal energies to several tens of MeV. The isotope 241Am (T_{;1/2}; = 433 years) is present in high-level nuclear waste (HLW), representing about 1.8% of the actinide mass in spent PWR UOx fuel. Its importance increases with cooling time due to additional production from the β-decay of 241Pu with a half-life of 14.3 years. The production rate of 241 Am in conventional reactors, including its further accumulation through the decay of 241Pu and its destruction through transmutation/incineration are very important parameters for the design of any recycling solution. In the present work, the 241 Am(n, f) reaction cross-section was measured using Micromegas detectors at the Experimental Area 2 of the n_TOF facility at CERN. For the measurement, the 235U(n, f) and 238U(n, f) reference reactions were used for the determination of the neutron flux. In the present work an overview of the experimental setup and the adopted data analysis techniques is given along with preliminary results.

n_TOF, 241Am, fission, neutron time of flight

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Podaci o prilogu

1-5.

2020.

objavljeno

10.1051/epjconf/202023905014

Podaci o matičnoj publikaciji

EPJ Web of Conferences 239

Ge, Z. ; Shu, N. ; Chen, Y. ; Wang, W. ; Zhang, H.

EDP Sciences

978-2-7598-9107-8

2101-6275

2100-014X

Podaci o skupu

Nepoznat skup

predavanje

29.02.1904-29.02.2096

Povezanost rada

Fizika

Poveznice
Indeksiranost