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Ce(n,
) cross section at n_TOF and its astrophysical implications for the chemical evolution of the universeAmaducci, S.*; Harada, Hideo; Kimura, Atsushi; 130 of others*
Physical Review Letters, 132(12), p.122701_1 - 122701_8, 2024/03
Times Cited Count:12 Percentile:82.58(Physics, Multidisciplinary)
U(n,f) cross section from n_TOF (CERN) from 18 meV to 10 keVMastromarco, M.*; Amaducci, S.*; Colonna, N.*; Kimura, Atsushi; 118 of others*
European Physical Journal A, 58(8), p.147_1 - 147_13, 2022/08
Times Cited Count:7 Percentile:61.11(Physics, Nuclear)
Ce(n,
)
Ce cross-section measurement at n_TOFAmaducci, S.*; Harada, Hideo; Kimura, Atsushi; 127 of others*
Universe (Internet), 7(6), p.200_1 - 200_11, 2021/06
Times Cited Count:6 Percentile:32.06(Astronomy & Astrophysics)
U(n, f) cross section relative to the
Li(n, t) and
B(n,
) standards from thermal to 170 keV neutron energy range at n_TOFAmaducci, S.*; Harada, Hideo; Kimura, Atsushi; 118 of others*
European Physical Journal A, 55(7), p.120_1 - 120_19, 2019/07
Times Cited Count:27 Percentile:86.60(Physics, Nuclear)The
U(n, f) cross section was measured at n_TOF relative to
Li(n, t) and
B(n,
), in a wide energy range (25 meV
170 keV) with 1.5% systematic uncertainty, making use of a stack of six samples and six silicon detectors placed in the neutron beam. The present results indicate that the cross section in the 9
18 keV neutron energy range is indeed overestimated by almost 5% in the recently released evaluated data files ENDF/B-VIII.0 and JEFF3.3. Furthermore, these new high-resolution data confirm the existence of resonance-like structures in the keV neutron energy region. From the present data, a value of 249.7
1.4(stat)
0.94(syst) b eV has been extracted for the cross section integral between 7.8 and 11 eV, confirming the value of 247.5
3 b eV recently established as a standard.