Investigation of pulse shape neutron-gamma discrimination; Resource-Efficient Technologies; No 3

Investigation of pulse shape neutron-gamma discrimination; Resource-Efficient Technologies; No 3

Chi tiết về thư mục
Parent link:	Resource-Efficient Technologies: electronic scientific journal/ National Research Tomsk Polytechnic University (TPU).— , 2015-.— 2405-6537 No 3.— 2019.— [P. 20-25]
Tác giả chính:	Avetisyan R. V.
Tác giả của công ty:	National Science Laboratory (570)
Tác giả khác:	Avagyan R. H., Avetisyan A. E., Gyurjinyan A. V., Barseghyan A. G., Kerobyan I. A., Manukyan A. A.
Tóm tắt:	Title screen The role of neutron beam investigation is significant not only for fundamental science but also for various fields of applied science. This work is dedicated to the formation of neutron beams using the external 18-MeV proton beam of IBA cyclotron C18/18 with a beam current of up to 100 µA. The facility is located at the A. Alikhanyan National Science Laboratory (Yerevan Physics Institute). The possibility to obtain thermal or epithermal neutron beams using the external proton beam of the cyclotron is studied using Geant4 simulations. In this case, a quasimonoenergetic neutron source 9Be (p, n)9B reaction is chosen. As a result of the simulations, the optimal thickness of the 9Be beryllium isotope target is determined. The induced neutron beam is accompanied by a gamma ray background. To decrease the number of accompanying gamma rays, the lead absorber is considered. As a method of separating neutrons from gamma rays, the pulse shape discrimination (PSD) technique is developed. This study shows the possibility of neutron-gamma PSD and its applicability using the EJ-299-33A plastic scintillator.
Ngôn ngữ:	Tiếng Anh
Được phát hành:	2019
Những chủ đề:	электронный ресурс neutron beam neutron-gamma discrimination нейтронные пучки моделирование гамма-лучи циклотроны
Truy cập trực tuyến:	http://earchive.tpu.ru/handle/11683/57139 https://doi.org/10.18799/24056537/2019/3/247
Định dạng:	Điện tử Chương của sách
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=584745

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