Results 21 to 30 of about 3,542,228 (207)

The cyclotron-based neutron sources and projects at NARI [PDF]

open access: yesEPJ Web of Conferences
A compact accelerator-driven neutron source is being developed in Taiwan to fill the need in neutron scattering experimental facilities. The National Atomic Research Institute (NARI) is spearheading two neutron projects to deliver neutron services to ...
Jeng Sheng-Long   +6 more
doaj   +1 more source

Periodic Fast Radio Bursts with Neutron Star Free Precession [PDF]

open access: yesAstrophysical Journal, 2020
The CHIME/FRB collaboration recently reported the detection of a 16 day periodicity in the arrival times of radio bursts from FRB 180916.J0158+65. We study the possibility that the observed periodicity arises from free precession of a magnetized neutron ...
J. J. Zanazzi, Dong Lai, Dong Lai
semanticscholar   +1 more source

Comparison of different geometric configurations and materials for neutron radiography purposes based on a 241Am/Be neutron source

open access: yesJournal of Taibah University for Science, 2017
The present work examines two different geometric configurations and three different lining materials that are suitable for thermal neutron radiography purposes based on a 241Am/Be neutron source.
J.G. Fantidis
doaj   +1 more source

Demonstration of coded-aperture fast-neutron imaging based on Timepix detector

open access: yes, 2020
Localization of radioactive hot spots is an important issue for nuclear industry (decommissioning, waste management, radiation protection) as well as for Homeland Security applications (non-proliferation of special nuclear material and management of ...
C. Lynde   +9 more
semanticscholar   +1 more source

Fast Neutron Fluence Rate Measurement for the Neutron Beams at IHNI-1

open access: yesJournal of Isotopes, 2017
To validate and determine the contamination source term of fast neutrons produced by the first in-Hospital Neutron Irradiator (IHNI-1) for boron neutron capture therapy (BNCT), a boron-covered 235U fission chamber was designed to be used for the ...
WANG Gu-jun1;CHEN Jun1;LI Chun-juan1;SONG Ming-zhe1;ZHANG Zi-zhu2
doaj   +1 more source

A 235U mass measurement method for UO2 rod assembly based on the n/γ joint measurement system

open access: yesNuclear Engineering and Technology, 2020
Fast-Neutron Multiplicity Counter based on Liquid Scintillator Detector can directly measure the fast neutron multiplicity emitted by UO2 rod. HPGe gamma spectrometer; which has superior energy resolution; is routinely used for the gamma energy spectrum ...
Jianqing Yang   +8 more
doaj   +1 more source

A Monte Carlo model of the Dingo thermal neutron imaging beamline

open access: yesScientific Reports, 2023
In this study, we present a validated Geant4 Monte Carlo simulation model of the Dingo thermal neutron imaging beamline at the Australian Centre for Neutron Scattering.
Klaudiusz Jakubowski   +10 more
doaj   +1 more source

Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems [PDF]

open access: yesEPJ Web of Conferences, 2020
A research project entitled "study on accuracy improvement of fast-neutron capture reaction data of long-lived MAs for development of nuclear transmutation systems" is ongoing as a joint collaboration, including Tokyo Tech, Japan Atomic Energy Agency and
Katabuchi Tatsuya   +9 more
doaj   +1 more source

Fast neutrino flavor conversion, ejecta properties, and nucleosynthesis in newly-formed hypermassive remnants of neutron-star mergers [PDF]

open access: yes, 2020
Neutrinos emitted in the coalescence of two neutron stars affect the dynamics of the outflow ejecta and the nucleosynthesis of heavy elements. In this work, we analyze the neutrino emission properties and the conditions leading to the growth of flavor ...
M. George   +4 more
semanticscholar   +1 more source

System and process of thermal neutron flux producing by means of an accelerator base electron of 18 MeV

open access: yesEurasian Journal of Physics and Functional Materials, 2021
Neutrons are produced in accelerators by irradiating heavy targets with an electron or proton beam. Produced neutrons are of high energy. The purpose of our work is optimization the neutron flux by MCNP-6 code for production the thermal neutron flux ...
A. .. Didi   +5 more
doaj   +1 more source

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