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1441
قياس الاشعاعات البيئية في قسم الفيزياء في جامعة تشرين
Published 2018-12-01“… We present here some results obtained from the measurements of the environmental radiation at the Physics Department of Tishreen University, in the energy range 50KeV - 2.8MeV, by using a compact scintillation NaI(Tl) detector, low-time recovery and reliable. …”
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Article -
1442
Ka-band beacon system setup and data analysis
Published 2010“…However, before doing so, some attenuation must be removed to isolate the factor of LNB gain. These include scintillation and gaseous absorption loss. Once removed, the investigation on LNB gain and temperature is done in various steps, which include scatter plot, cumulative distribution function and equi-probability graph.…”
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Final Year Project (FYP) -
1443
Development of novel particle detector with multi pixel photon counter readout
Published 2010“…It was a prototype with the dimension of 20x20x1cm3 plastic scintillating counter with wavelength shifting fibers (WLS-Fi) readout to alternate the particle beam to the multi pixel photon counter (MPPC). …”
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Thesis -
1444
Neutron-gamma survey system for decommissioning and dismantling activities
Published 2023-01-01“…It is made up of a 4”x4”x2” NaIL (NaI:Tl + 1% 6Li [95% enriched]) neutron/gamma scintillation detector coupled to a SiPM array. Digital pulse processing techniques were implemented to acquire and process the signals, by means of a CAEN DT5780 unit. …”
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Article -
1445
Scattering Delay Mitigation in High-accuracy Pulsar Timing: Cyclic Spectroscopy Techniques
Published 2023-01-01“…Two of these estimators use the more traditional process of fitting autocorrelation functions to pulsar dynamic spectra to extract scintillation bandwidths, while the third estimator uses the newer technique of cyclic spectroscopy on baseband pulsar data to recover the interstellar medium’s impulse response function. …”
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Article -
1446
Luminescent Behavior of Sb<sup>3+</sup>-Activated Luminescent Metal Halide
Published 2023-10-01“…The basic luminescence properties of Sb<sup>3+</sup>-activated luminescent metal halide perovskites and their applications in WLED, electroluminescence LED, temperature sensing, optical anti-counterfeiting, and X-ray scintillators are introduced. Finally, the development prospects and challenges of Sb<sup>3+</sup>-activated luminescent metal halide perovskites are discussed.…”
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Article -
1447
Development of Cryogenic Detectors for Neutrinoless Double Beta Decay Searches with CUORE and CUPID
Published 2021-02-01“…Parallel studies pointed out that scintillating cryogenic detectors represent a suitable upgrade for the CUORE design, directed towards higher sensitivities. …”
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Article -
1448
Characterisation of a Silicon Photomultiplier Based Oncological Brachytherapy Fibre Dosimeter
Published 2024-01-01“…The ORIGIN project aims to respond to this medical community’s need by targeting the development of a multi-point dose mapping system based on fibre sensors integrating a small volume of scintillating material into the tip and interfaced with silicon photomultipliers operated in counting mode. …”
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Article -
1449
Optical Wireless Link Operated at the Wavelength of 4.0 µm with Commercially Available Interband Cascade Laser
Published 2021-06-01“…That range was about 2 km for a case of low scintillation and relatively low visibility. In the experimental part of the work, the obtained modulation rate was 70 MHz for NRZ (non-return-to-zero) format coding. …”
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Article -
1450
Flexible fully organic indirect detector for megaelectronvolts proton beams
Published 2023-02-01“…The detector operates in the indirect mode and is composed of a polysiloxane-based scintillating layer coupled to an organic phototransistor, that is assessed for flexibility and low-voltage operation (V = −1 V), with a limit of detection of 0.026 Gy min−1. …”
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Article -
1451
A Brief Review of the Effects of Pressure on Wolframite-Type Oxides
Published 2018-01-01“…The reviewed results are relevant for both fundamental science and for the development of wolframites as scintillating detectors. The possible next research avenues of wolframites under compression have also been evaluated.…”
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Article -
1452
Atmospheric Effects on Satellite–Ground Free Space Uplink and Downlink Optical Transmissions
Published 2022-10-01“…Unlike conventional work, we provide FSO channel analysis based on variations in the Fried parameter, zenith angle, scintillation index, and Rytov variance. Using simulation results from the optical settings, we examine the influence on channel performance of conditions such as atmospheric attenuation and intensity fluctuation. …”
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Article -
1453
Influence of excitation nature on temperature attenuation of luminescence in ZnSe crystals
Published 2022-12-01“…It can be stated with high probability that the temperature position of the beginning of the temperature attenuation of luminescence is affected by forced transitions in the scintillation pulse.…”
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Article -
1454
Development and calibration of a portable detection device for in vivo measurement of high-energy photon emitters incorporated by humans
Published 2018-07-01“…The equipment consists of a lead-collimated NaI (Tl) 3”x3” scintillation detector assembled on a tripod. The detector and its compact associated electronics are connected via USB cable to a portable PC. …”
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Article -
1455
Maritime moving target detection and localisation technique for Global Navigation Satellite Signals‐based passive multistatic radar
Published 2024-01-01“…Theoretical and simulated performance analysis are provided to illustrate as the proposed approach can outperform conventional two‐stages (i.e. bistatic detection then localisation) procedures, with particular regard to the case of significant radar cross section scintillation, likely experienced in the system under consideration. …”
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Article -
1456
Irregular structures of the F layer at high latitudes during ionospheric heating
Published 2000-09-01“…The ionosphere was monitored by satellite tomography and amplitude scintillation methods as well as the EISCAT incoherent scatter radar. …”
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Article -
1457
Convolutional neural network-based reconstruction for positronium annihilation localization
Published 2022-05-01“…Abstract A novel hermetic detector composed of 200 bismuth germanium oxide crystal scintillators and 393 channel silicon photomultipliers has been developed for positronium (Ps) annihilation studies. …”
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Article -
1458
Gamma noise to non-invasively monitor nuclear research reactors
Published 2024-04-01“…Using the case example of the research reactor CROCUS, we demonstrate how two bismuth germanate scintillators placed outside the reactor vessel can precisely observe reactor criticality using so called noise methods and provide core status information in seconds. …”
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Article -
1459
Novel Simulation and Analysis of Mie-Scattering Lidar for Detecting Atmospheric Turbulence Based on Non-Kolmogorov Turbulence Power Spectrum Model
Published 2022-12-01“…The simulation results show that the scintillation index of simulation is consistent with the theoretical value trend, and the accuracy is very high, indicating that the method of atmospheric turbulence detection using Mie-scattering lidar is effective. …”
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Article -
1460
Use of the Grubbs test to study the homogeneity of a NaI(Tl) detector
Published 2021-04-01“…This paper presents a methodology that has the objective of evaluating the homogeneity of a NaI(Tl) scintillation detector using the Grubbs test to validated the crystal homogeneity. …”
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Article