Towards the enhancement of nuclear reactor safety: Physical phenomena involved in the measurement accuracy of boron concentration online monitoring systems.

Autor: Tabti, Nouhaila¹ nouhaila.tabti@cea.fr, Sari, Adrien¹, Tromson, Dominique¹

Publikováno v: EPJ Web of Conferences. 11/21/2023, Vol. 288, p1-5. 5p.

Compendium on Monte Carlo simulation of photoneutrons in the Giant Dipole Resonance energy range: The first five elements

Autor: Garnaud Louis, Sobczak Luna, Piekar Johann, Sari Adrien, Jinaphanh Alexis, Nasri Amine, Jouanne Cédric, Ogawa Tatsuhiko, Zoia Andrea

Publikováno v: EPJ Web of Conferences, Vol 302, p 07004 (2024)

Neutrons generated by photonuclear reactions, “photoneutrons”, are encountered in various applications involving high-energy gamma sources, electron accelerators or nuclear reactors. Monte Carlo particle-transport codes are generally used to simu

Externí odkaz: https://doaj.org/article/6a0487350d954fba9d94ad92c373b4c0

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Evaluation of delayed neutron yields and time spectra from photofission of 238U induced by Bremsstrahlung photons below 9 MeV

Autor: Sari Adrien, Elayeb Aly, De Stefano Roberto, Meleshenkovskii Iaroslav, Michel Maugan, Carrel Frédérick

Publikováno v: EPJ Web of Conferences, Vol 284, p 11002 (2023)

Few data exist regarding the yields and time spectra of delayed neutrons from the photofission reaction on actinides. In this paper, we report the characteristics of both six-group and eight-group delayed neutron time models for the photofission of 2

Externí odkaz: https://doaj.org/article/c1a0714150174349934c1deaf04a0e6e

Feasibility study of the photofission technique for characterization of 220-L concrete-lined nuclear waste drums at 7 or 9 MeV energies

Autor: Meleshenkovskii, Iaroslav, Sari, Adrien, Elayeb, Aly, de Stefano, Roberto

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2022, 1029 (5), pp.166422. ⟨10.1016/j.nima.2022.166422⟩

International audience; Photofission is a promising technique for the radiological characterization of nuclear waste packages containing concrete matrices. The goal of this paper is two-fold. First, we assess the performance of the photofission techn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::80ce1079433ed5046af0036777ca4c2d
https://hal-cea.archives-ouvertes.fr/cea-03616376/file/NIMA_ref_measur_IMEL_revised_final3_CEA.pdf