Disnei-2 neutron spectrometer

Doroshenko, G.G.; Kraitor, S. N.; Кузнецова, Т. В.; Kushnereva, K. K.; Leonov, E.S.

doi:10.1007/bf01123892

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B Measurement Of the Fluence Spectra And Dose Rate From 241 Am-be Source Using Bss1

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2017

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“…Two unfolding methods are used. The first unfolding method utilized is an iterative procedure with the SPUNIT algorithm [8,9] of the NSDUAZ code [10] with the response matrix UTA-4, with 32 energy bins. NSDUAZ (Neutron Spectrometry and Dosimetry from The Universidad Autónoma de Zacatecas) is a user friendly neutron unfolding package for BSS with 6 LiI(Eu) developed under LabView® environment.…”

Section: B Measurement Of the Fluence Spectra And Dose Rate From 241 Am-be Source Using Bssmentioning

confidence: 99%

Characterization of an ²⁴¹Am-Be neutron irradiation facility at Institute for Nuclear Science and Technology

Tran¹,

Bui²,

Nguyen³

et al. 2017

Nucl. Sci. and Tech.

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An automated panoramic irradiator with a 241Am-Be neutron source of 5 Ci is installed in a bunker-type medium room at the Institute for Nuclear Science and Technology (INST) for calibration of neutron devices. Bonner Sphere Spectrometer (BSS) formed by 6 spheres plus bare detector, with cylindrical, almost point like, 6LiI(Eu) scintillator and 2 different spectral unfolding FRUIT and BUNKIUT codes are used to characterize the neutron field in different measurement points along the irradiation bench. The neutron field is also simulated by MCNP5 software and compared with measurements performed by the BSS. The paper shows the main results obtained in terms of neutron spectra at fixed distances from the source as well as their neutron fluence rate (totaland direct) and ambient dose equivalent rate. These values measured by the BSS with two unfolding FRUIT and BUNKIUT codes are in good agreement with that of simulated by MCNP5 within 10%.

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Section: B Measurement Of the Fluence Spectra And Dose Rate From 241 Am-be Source Using Bssmentioning

confidence: 99%