A5021139096- Radiation Detection and Scintillator Technologies
- Nuclear Physics and Applications
- Particle Detector Development and Performance
- Medical Imaging Techniques and Applications
- Advanced Semiconductor Detectors and Materials
- Atomic and Subatomic Physics Research
- Nuclear reactor physics and engineering
- Advanced Optical Sensing Technologies
- Nuclear physics research studies
- CCD and CMOS Imaging Sensors
- Radioactivity and Radon Measurements
- Scientific Research and Discoveries
- High-Energy Particle Collisions Research
- Electrical and Bioimpedance Tomography
- Solid-state spectroscopy and crystallography
- Dark Matter and Cosmic Phenomena
- Radiation Effects in Electronics
- Advanced X-ray and CT Imaging
- Cold Fusion and Nuclear Reactions
- NMR spectroscopy and applications
- Integrated Circuits and Semiconductor Failure Analysis
- Radiation Therapy and Dosimetry
- Ocular and Laser Science Research
- Analytical Chemistry and Sensors
- High-pressure geophysics and materials
Joint Institute for Nuclear Research
2015-2024
National Nuclear Research Center
2015-2024
Azerbaijan National Academy of Sciences
2015-2023
École Polytechnique
2013
National Aviation Academy
2013
Abstract The presented work is dedicated to the detection of hydrogen, using detectors based on a MAPD (Micropixel Avalanche Photodiode) array new MAPD-3NM-2 type photodiodes and two different scintillators (LaBr 3 (Ce) LSO(Ce)). physical parameters photodiode used in study intrinsic background were investigated. For 2.223 MeV energy gamma-ray indicating presence resolution was 6.89% with LSO scintillator-based detector, number events corresponding this 4817. With LaBr scintillator, for...
This study investigates the performance of two silicon photomultipliers (SiPMs) with distinct structures: MAPD-3NM-II featuring a deeply burned pixel structure and MPPC S12572-010P surface structure. Fundamental parameters, including breakdown voltage, capacitance, gain, temperature dependence were studied methods like Miller method, single photoelectron current-voltage (I-V) capacitance-voltage (C-V) measurements. Experimental results reveal these devices, particularly in terms voltage...
Abstract In the presented work, parameters of a new MAPD-3NM-II photodiode with buried pixel structure manufactured in cooperation Zecotek Company are investigated. The photon detection efficiency, gain, capacitance and gamma-ray performance photodiodes studied. SPECTRIG MAPD is used to measure scintillation detector based on it. obtained results show that newly developed outperforms its counterparts most it can be successfully applied space application, medicine, high-energy physics security.
<ns3:p>Background Silicon Photomultipliers (SiPMs) are crucial devices in various photon-counting applications. They mainly produced with two pixel structures, deeply burned and surface designs offering distinct advantages. This study investigates the impact of these structural differences on key parameters representative SiPMs: MAPD-3NM-II (Zecotek Photonics) a structure MPPC S12572-010P (Hamamatsu structure. Method The performance was evaluated using multiple techniques. Breakdown voltage...
Abstract The development of nuclear technologies, the production and active use radioisotopes, radiopharmaceuticals, medical isotopes other radioactive materials are increasing every year. Therefore, importance ensuring safety highly isotopes, as well providing necessary instruments for measuring identifying materials, must be taken into account. Modern equipment such high purity germanium detectors (HPGe) is costly requires specialized staff skills special operating conditions low...
Abstract This article describes a series of studies on the effect rotation fissile 236 U nucleus in 235 U(n,f) process induced by monochromatic polarized neutrons with energies 62 meV and 270 meV. The studied is expressed as shift anisotropic angular distribution γ-rays emitted excited fission fragments some small angle relative to deformation axis when neutron beam polarization direction reversed.&#xD;All measurements were carried out at Heinz Mayer-Leibniz research source (FRM II...
Abstract The cross sections of the 148 Sm(n,α) 145 Nd reaction were measured for first time at neutron energies ranging from 4.8 to 5.3 MeV. experiment was carried out on Van de Graaff accelerator EG–5 Frank Laboratory Neutron Physics, Joint Institute Nuclear Research. Fast neutrons produced via 2 H(d,n) 3 He with a deuterium gas target. A twin gridded ionization chamber used as charged particle detector, back–to–back Sm samples mounted tantalum backings common cathode. absolute flux using...
Abstract The paper is concerned with the parameter study of a new generation micro-pixel avalanche photodiodes (MAPD) deeply buried pixel structure, also named silicon photomultipliers (SiPM) or multi-pixel photon counter (MPPC). MAPD type MAPD-3NM was manufactured in frame collaboration Zecotek Company. Measurements were carried out and discussed terms important parameters such as current-voltage capacitance-voltage characteristic, gain, temperature coefficient breakdown voltage, gamma-ray...
The performances of silicon photomultipliers with different structures are investigated at low temperature.The first sample is a micro pixel avalanche photodiode deep buried structure from Zecotek Photonics Inc. second and third ones multi-pixel photo counters surface design Hamamatsu Photonics. influence temperature on the main parameters photodiodes such as photon detection efficiency (PDE), gain, capacitance was studied in range 0oC to −120oC.
This paper presented a new detector module consisting of micropixel avalanche photodiode (MAPD-3NM), LaBr3:Ce scintillator, and compact read-out interface system for detecting gamma-rays in wide energy range. The MAPD array (4 × 4 channels) was assembled using single MAPD-3NM characterized by its high photon detection efficiency (∼25%), pixel density (10 000 pixels/mm2), low operation voltage (74.5 V), dark current. An active area 3.7 mm2, while this value 17 mm2 the with 2190 000. size...
This paper presents the gamma-ray detection performance of newly developed MAPD-3NM-II type SiPM sensor array (4 [Formula: see text] 4) with text](Ce) scintillator. The spectra various sources have been measured in energy range from 26 keV up to 1332 keV. based on sensors proved 22% enhancement resolution comparison former MAPD-3NM-I array. 662 gamma-rays by was 3.3% while clearly surpassing 4.25% predecessor. is related high PDE new MAPD-3NM-II. Obtained results show that demonstrated good...
This paper presents a neutron/gamma detector based on micropixel avalanche photodiode and plastic scintillator that monitors the status of accelerator-driven intense resonance neutron source (IREN) facility by measuring intensity in target hall. The electronics has been designed developed. size was selected to be 3.7 × 30 mm3 due sensitive area MAPD. experimental results demonstrated dependence between count rate frequency accelerator. is intermediate fast neutrons. minimum detectable energy...
In this paper presented the results of ionizing radiation detector modules, which developed on basis a new generation micropixel avalanche photodiode (MAPD) MAPD-3NK type. The samples were produced in cooperation with Zecotek Photonics and characterized by following parameters: sensitive area—3.7 mm × 3.7 mm, density pixels—10000 pixels/mm2, photon detection efficiency—35–40% (at wavelength 450–550 nm) operation voltage—91 V. beta particle gamma ray performance MAPD different single...
In this study, we present the gamma-ray detection performance of LYSO, YSO(Ce) and BGO scintillators read out by a 9 ch. micropixel avalanche photodiode (MAPD) array with high pixel density (PD) photon efficiency (PDE). The an active area 11.5 × mm2 was assembled using single MAPDs 3.7 mm2. It had output signal developed for gamma spectroscopy. Breakdown voltage measurements were carried each channel, as result which optimal operating found. linearity range energy resolution crystal...
In the paper we present results obtained for effect of rotation (ROT) in angular distribution prompt $\ensuremath{\gamma}$ rays from fission $^{235}\mathrm{U}$ induced by monochromatic polarized ``warm'' neutrons (${E}_{n}$ = 60 meV). The polarization vector direction is determined at target position order to correctly determine sign measured effect. asymmetry parameter was found be equal...