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Journal Articles

IAEA Photonuclear Data Library 2019

Kawano, Toshihiko*; Cho, Y. S.*; Dimitriou, P.*; Filipescu, D.*; Iwamoto, Nobuyuki; Plujko, V.*; Tao, X.*; Utsunomiya, Hiroaki*; Varlamov, V.*; Xu, R.*; et al.

Nuclear Data Sheets, 163, p.109 - 162, 2020/01

 Times Cited Count:16 Percentile:98.22(Physics, Nuclear)

Journal Articles

Reference database for photon strength functions

Goriely, S.*; Dimitriou, P.*; Wiedeking, M.*; Belgya, T.*; Firestone, R.*; Kopecky, J.*; Krti$v{c}$ka, M.*; Plujko, V.*; Schwengner, R.*; Siem, S.*; et al.

European Physical Journal A, 55(10), p.172_1 - 172_52, 2019/10

 Times Cited Count:29 Percentile:92.42(Physics, Nuclear)

Journal Articles

Developing reliable reaction gamma-ray data

Dimitriou, P.*; Belgya, T.*; Cho, Y.-S.*; Filipescu, D.*; Firestone, R.*; Goriely, S.*; Iwamoto, Nobuyuki; Kawano, Toshihiko*; Kopecky, J.*; Krticka, M.*; et al.

EPJ Web of Conferences, 178, p.06005_1 - 06005_3, 2018/05

 Times Cited Count:2 Percentile:85.11

no abstracts in English

Journal Articles

EXILL; A High-efficiency, high-resolution setup for $$gamma$$-spectroscopy at an intense cold neutron beam facility

Jentschel, M.*; Blanc, A.*; de France, G.*; K$"o$ster, U.*; Leoni, S.*; Mutti, P.*; Simpson, G.*; Soldner, T.*; Ur, C.*; Urban, W.*; et al.

Journal of Instrumentation (Internet), 12(11), p.P11003_1 - P11003_33, 2017/11

 Times Cited Count:27 Percentile:86.8(Instruments & Instrumentation)

Journal Articles

Systematic effects on cross-section data derived from reaction rates at a cold neutron beam

$v{Z}$erovnik, G.*; Becker, B.*; Belgya, T.*; Genreith, C.*; Harada, Hideo; Kopecky, S.*; Radulovi$'c$, V.*; Sano, Tadafumi*; Schillebeeckx, P.*; Trkov, A.*

Nuclear Instruments and Methods in Physics Research A, 799, p.29 - 36, 2015/11

 Times Cited Count:4 Percentile:40.75(Instruments & Instrumentation)

The methodology to derive cross section data from measurements in a cold neutron beam was studied. Mostly, capture cross sections at thermal energy are derived relative to a standard cross section, and proportionality between the standard and the measured cross section is often assumed. Due to this assumption the derived capture cross section at thermal energy can be biased by more than 10%. Evidently the bias depends on how much the energy dependence of the cross section deviates from a direct proportionality with the inverse of the neutron speed. The effect is reduced in case the cross section is not derived at thermal energy but at an energy close to the average energy of the cold neutron beam. Nevertheless, it is demonstrated that the bias can only be avoided in case the energy dependence of the cross section is known and proper correction factors are applied. In some cases the results can also be biased when the attenuation of the neutron beam within the sample is neglected in the analysis. Some of the cross section data reported in the literature suffer from such bias effects.

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