A comparative study of n-γ discrimination by the digital charge comparison method was carried out for NE213 and BC501A scintillators of different size couple
a compact detector such as a NE213 liquid scintillator can be used to perform neutron emission spectroscopy analysis. The detector used for this study was installed in the back of the MPRu spec-trometer at JET in 2012. The characterization of the response of the detector was done using a combination of MCNPX simulations and real measurements. The
All measured data are de~cribed in Fig. 2, but the x-axis data (time-of-flight and, therefore, energy data) which were sam pled at all 16 channels are shown in Fig. 3. The appearance The response functions of 25.4 cm (length) × 25.4 cm (diameter) NE213 organic liquid scintillator have been measured for neutrons in the energy range from 20 to 800 MeV at the Heavy-Ion Medical Accelerator in Chiba (HIMAC) and at the Research Center for … Artificial neural networks technology has been applied to unfold the neutron spectra from the pulse height distribution measured with NE213 liquid scintillator. Here, both the single and multi-layer perceptron neural network models have been implemented to unfold the neutron spectrum from an Am-Be neutron source. The activation function and the connectivity of the neurons have been through the scintillator wall induced by high-energy neutrons increase from 6% for 66MeV neutrons to 35% for 206MeV neutrons, and that this wall effect causes a difficult problem for n g discrimination. Particles emitted from spallation reactions induced by protons having GeV energies were measured with an NE213 liquid scintillator, 12.7 cm in diameter and 12.7 cm thick. The pulse‐shape discrimination (PSD) was carried out for charged particle identification by the two‐gate integration method.
The pulse-shape discrimination (PSD) was carried out for charged particle identification by the two-gate integration method. 2015-02-13 · In particular, the capabilities of the two fast neutron detectors to discriminate between neutrons and gamma-rays were investigated. The NE-213 liquid-scintillator reference cell produced a wide range of scintillation-light yields in response to the gamma-ray field of the source. Particles emitted from spallation reactions induced by protons having GeV energies were measured with an NE213 liquid scintillator, 12.7 cm in diameter and 12.7 cm thick.
6 Apr 2006 NE213 liquid scintillation detector at the PTB (Physikalisch-Technische Bundesanstalt) accelerator facility in Braunschweig (Germany) both
shingo@spring8.or.jp 2001-05-01 Made available by U.S. Department of Energy Office of Scientific and Technical Information 2021-02-24 A comparative study of n-γ discrimination by the digital charge comparison method was carried out for NE213 and BC501A scintillators of different size couple The neutron response functions of diameter by long NE213 organic liquid scintillator have been measured in the energy range from 50 to at the Heavy-Ion Medical Accelerator in Chiba (HIMAC). Abstract The neutron response functions of 12.7 cm diameter by 12.7 cm long NE213 organic liquid scintillator have been measured in the energy range from 50 to 800 MeV at the Heavy-Ion Medical Accelerator in Chiba (HIMAC). Neutrons were generated by the 800 MeV / nucleon Si ion and 400 MeV / nucleon C ion bombardment on a thick carbon target. At JET, the NE213 liquid scintillator is being validated as a diagnostic tool for spectral measurements of neutrons emitted from the plasma.
A compact NE213 liquid scintillator, fully characterized at Physikalisch-Technische Bundesanstalt, was installed and operated at the Joint European Torus (JET) during two experimental campaigns
Neutron energy was determined by the time-of-flight Request PDF | Pulse-shape discrimination in NE213 liquid scintillator detectors | The 16-channel fast stretcher BaFPro module, originally developed for processing signals of Barium Fluoride The neutron response functions of 12.7 cm diameter by 12.7 cm long NE213 organic liquid scintillator have been measured in the energy range from 50 to 800 MeV at the Heavy-Ion Medical Accelerator in Chiba (HIMAC). Neutrons were generated by the 800 MeV/ nucleon Si ion and 400 MeV/ nucleon C ion bombardment on a thick carbon target. Neutron energy was determined by the time-of-flight method Measurements of the response functions of a large size NE213 organic liquid scintillator for neutrons up to 800 MeV. Taniguchi S(1), Moriya T, Takada M, Hatanaka K, Wakasa T, Saito T. Author information: (1)Japan Synchrotron Radiation Research Laboratory (JASRI), Koto 1-1-1, Mikazuki-cho, Sayo-gun, Hyogo 679-5198, Japan. shingo@spring8.or.jp The development of both liquid and gaseous 4He based scintillators for fast-neutron detection has been reported [6,8,12,14,15].
This method is particularly useful when the proton light yield function of the detector h
OSTI.GOV Journal Article: Charged particle identification including Pions by pulse-shape discrimination with an NE213 liquid scintillator
When using an organic liquid scintillator such as NE213 for neutron spectrometry, the light output as a function of proton energy is needed in order to unfold the neutron spectrum from the
gamma and neutron signals from a NE213 liquid scintillator, which is different. The advantage of using a fast digitization technique to store the pulses offers high-count rate operation, pulse shape analysis possibilities, post-experiment data re-processing and pile-up treatment and identification. Absolute neutron response functions and detection efficiencies of an NE213 liquid scintillator that was 12.7 cm in diameter and 12.7 cm in thickness were measured for neutron energies between 15 and 600 MeV at the Weapons Neutron Research facility of the Los Alamos Neutron Science Center. Abstract The absolute values of the neutron response functions of a 12.7 cm diameter by 12.7 cm long NE213 organic liquid scintillator were measured using a quasi-monoenergetic neutron field in the energy range of 66– 206 MeV via the 7Li(p,n)7Be reaction in the ring cyclotron facility at RIKEN. The measured response functions were compared with calculations using a Monte Carlo code developed
Abstract The neutron-gamma discrimination capability of the new-type UGLLT liquid scintillator has been compared with NE213 (or its Bicron equivalent, BC501A). An Am-Be combined neutron-gamma isotopic source and a zero-crossing circuitry were used to explore various biases resulting the optimum figure of merits (FOMs) of 1.52 and 1.18 for NE213 and UGLLT at 170 keVee bias, respectively.
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The goal of the work presented in this thesis is to estimate to which extent a compact detector such as a NE213 liquid scintillator can be used to perform neutron emission spectroscopy analysis.
(NE213 / BC501A). ❒ PSD is due to
Absolute measurements of the response function of an. NE213 organic liquid scintillator for the neutron energy range up to 206 MeV. Noriaki Nakaoa,*, Tadahiro
22 May 2018 We chose an NE213 scintillator as the neutron detector since it provides the neutron detection efficiencies for liquid organic scintillator up to 3. T· HE efficiency and response function of the NE213 liquid scintillator (proton recoil detector) is a very important factor in spectrum measurement of fast neutrons
in height) organic liquid scintillator detector by means of gamma sources.
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INTRODUCTION. An organic liquid scintillator, such as NE213 and BC501A, is widely used for neutron spectrum measurement behind a shield by coupling with the unfolding technique, because it has a high detection efficiency, good neutron–photon discrimination performance and comparably good energy resolution.
It is a solution of aromatic molecules suspended in a xylene solvent. 1 The result is a flammable, corrosive, sharp-smelling liquid with a flash point of ∼ 26 ° C that poses a considerable health risk.
NE213 scintillator, 2) Anti-coincidence detector system using ∆E and E counters, and 3) Bonner sphere (multi-moderator detector) mounted a 3He counter or a pair of 6Li and 7Li glass scintillators. II. High-Energy Neutron Detectors II-1. Large NE213 Organic Liquid Scintillator. An NE213 (or BC501A) organic liquid scintillator coupled with a
EJ-309 has been developed as an alternate to the more commonly used low-flash point PSD liquid scintillators based on the solvent xylene.
Particles emitted from spallation reactions induced by protons having GeV energies were measured with an NE213 liquid scintillator, 12.7 cm in diameter and 12.7 cm thick. The pulse‐shape discrimination (PSD) was carried out for charged particle identification by the two‐gate integration method. Pions having energies up to 60 MeV were clearly discriminated from protons and electrons. 2005-01-01 1989-08-20 · Choice scintillator We have chosen the NE213 liquid scintillator for its very good gamma-neutron pulse-shape discrimination (PSD) characteristics.