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A detailed study of the high energy neutron flux (15-20 MeV) at NCSR “Demokritos” using a BC501A liquid scintillator

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A detailed study of the high energy neutron flux (15-20 MeV) at NCSR “Demokritos” using a BC501A liquid scintillator (EN)
Lagoyannis, Anastasios
Vlastou, Roza
Chasapoglou, Sotiris
Kalamara, Antigoni
Stamatopoulos, Athanasios
Kokkoris, Michael
Michalopoulou, Veatriki
Patronis, Nikolas
Mitsi, Eleni
Axiotis, Michael
Eleme, Zena
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Experimental (EN)
2020-04-17
The current study was carried out for neutron beam energies ranging between 14.8 and 19.2 MeV using the 3H(d,n)4He reaction and included neutron/gamma discrimination and neutron monitoring utilizing a BC501A liquid scintillator, followed by a pulse shape discrimination-capable circuit. Tests were conducted in order to determine the characteristics and limitations of the employed experimental setup. The deconvolution of the acquired spectra was performed using the DIFBAS computer code. The algorithm is based on the Bayesian conditional probability,whilethe covariance filter method was employed to calculate the a posteriori neutron flux spectrum along with its covariance matrix.The produced neutron beam proved to be practically monoenergetic for low energy deuterons, while at higher deuteron beam energies, the strong presence of parasitic and scattered neutrons was revealed. (EN)
liquid scintillator (EN)
deconvolution (EN)
fast neutrons (EN)
pulse shape discrimination (EN)
Annual Symposium of the Hellenic Nuclear Physics Society
English
Hellenic Nuclear Physics Society (HNPS) (EN)
2654-0088
2654-007X
Annual Symposium of the Hellenic Nuclear Physics Society; Τόμ. 27 (2019): HNPS2019; 143-147 (EL)
HNPS Advances in Nuclear Physics; Vol. 27 (2019): HNPS2019; 143-147 (EN)
Πνευματική ιδιοκτησία (c) 2020 Eleni Mitsi, Sotiris Chasapoglou, Antigoni Kalamara, Michael Kokkoris, Veatriki Michalopoulou, Athanasios Stamatopoulos, Roza Vlastou, Anastasios Lagoyannis, Michael Axiotis, Nikolas Patronis, Zena Eleme (EL)
Hellenic Nuclear Physics Society
Annual Symposium of the Hellenic Nuclear Physics Society



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