Neutron pumping of active medium formed by gadolinium isotopes 155Gd and 156Gd pair: A feasibility study; Applied Radiation and Isotopes; Vol. 206

Neutron pumping of active medium formed by gadolinium isotopes 155Gd and 156Gd pair: A feasibility study; Applied Radiation and Isotopes; Vol. 206

Dettagli Bibliografici
Parent link:	Applied Radiation and Isotopes.— .— Amsterdam: Elsevier Science Publishing Company Inc. Vol. 206.— 2024.— Article number 111232, 9 p,
Ente Autore:	Томский политехнический университет (570)
Altri autori:	Bedenko S. V. Sergey Vladimirovich, Polozkov S. D. Sergey Dmitrievich, Demin A. S. Aleksey Sergeevich, Ghal-Eh N. Nima, Rahmani F. Faezeh, Vega-Carrillo H. R. Hector Rene
Riassunto:	Title screen The possibility of creating technical means for controlling the processes of accumulation and conversion of the energies of thermal and epithermal neutrons into the energy of monoenergetic photons due to neutron pumping of an active medium consisting of nuclei with long-lived isomeric states was studied in this work. The system under study consisted of an external pulse-periodic source of deuterium-tritium neutrons (PSN) and a subcritical blanket, which included a variable neutron-collimation beam-shaping assembly (vBSA) and an active medium. The vBSA was composed of moderating blocks and selective plates designed to trap and shape a pulsed neutron flux with subsequent conversion of a millisecond signature into monoenergetic photon emission. Gadolinium oxide enriched in 155Gd isotope was used as the active medium, where the heavier one could be at different excited states, the de-excitations of which were accompanied by photon emission. In this research, the possibility of using the conjugate system (i.e., blanket – PSN – vBSA) for converting excess neutron energy accumulated in the inverse state of 156Gd nuclei into photon emission was demonstrated in detail Текстовый файл AM_Agreement
Lingua:	inglese
Pubblicazione:	2024
Soggetti:	электронный ресурс труды учёных ТПУ population mechanism neutron pumping active medium plasma source neutrons monoenergetic photons vBSA
Accesso online:	https://doi.org/10.1016/j.apradiso.2024.111232
Natura:	Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=673901

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