نتایج جستجو برای: epithermal neutron

تعداد نتایج: 46585  

Journal: :Epj Web of Conferences 2022

The determination of astrophysically relevant neutron-induced cross sections is particularly difficult when the involved isotopes are radioactive or very small. Activation experiments at reactors offer possibility to overcome these limitations with high neutron fluxes. flux typically based on activation two monitors known separate different components. usually applied cadmium difference method ...

A. Antoniadis, J.G. Fantidis,

Background: A Boron Neutron Capture Therapy (BNCT) facility, based on a DT neutron generator, with the final goal to find out a potential, alternative, solution to existing BNCT treatment facilities which are based on nuclear reactors is examined. Materials and Methods: With the aim of the MCNP4B Monte Carlo code different beam-shaping assembly (BSA) configurations were considered. Lead was sel...

2009
JONG KYUNG KIM

Boron Neutron Capture Therapy (BNCT) is a binary radiation treatment modality based on nuclear reactions between thermal neutrons and stable isotope B concentrated primarily in cancer cells. It allows for delivery of high linear energy transfer (LET) radiation ( particles and Li nuclei) to tumors at the cellular level whilst avoiding unnecessary dose deposition to healthy tissue. Until now, mos...

Journal: :Crystals 2021

We report on the metastable defects introduced in n-type 4H-SiC material by epithermal and fast neutron irradiation. The irradiation are much less explored compared to electron or proton irradiation-induced defects. In addition carbon vacancy (Vc), silicon (Vsi) antisite-carbon (CAV) complex, has four deep-level defects, all arising from defect, M-center. were investigated deep level transient ...

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