نتایج جستجو برای: scintillation detector
تعداد نتایج: 63384 فیلتر نتایج به سال:
A unique, new stand-alone acoustic inertial confinement nuclear fusion test device was successfully tested. Experiments using four different liquid types were conducted in which bubbles were self-nucleated without the use of external neutrons. Four independent detection systems were used (i.e., a neutron track plastic detector to provide unambiguous visible records for fast neutrons, a detector...
In this bachelor thesis, which is a part of the project RadioRoSo, we examine and analyze waste from Magnox power plants. These power plants were mostly situated in the Great Britain and they were operated between 1956 and 2015. The analyzed waste mainly consists of pieces of Magnox alloy AL80. Springs from alloy Nimonic 80A are also present in the waste and they are considered to be highly rad...
Scintillation detector is widely used for the particle detection in field of physics. Particle detectors containing fluorine-19 ($^{19}\mathrm{F}$) are known to have advantages Weakly Interacting Massive Particles (WIMPs) dark matter search, especially spin-dependent interactions with WIMPs due its spin structure. In this study, scintillation properties carbontetrafluoride ($\mathrm{CF_{4}}$) g...
Large liquid-scintillator-based detectors have proven to be exceptionally effective for low energy neutrino measurements due to their good energy resolution and scalability to large volumes. The addition of directional information using Cherenkov light and fast timing would enhance the scientific reach of these detectors, especially for searches for neutrino-less double-beta decay. In this pape...
The MicroBooNE detector, to be located on axis in the Booster Neutrino Beamline (BNB) at the Fermi National Accelerator Laboratory (Fermilab), consists of two main components: a large liquid argon time projection chamber (LArTPC), and a light collection system. Thirty 8inch diameter Hamamatsu R5912-02mod cryogenic photomultiplier tubes (PMTs) will detect the scintillation light generated in the...
The development of detectors for both counting and measuring the energy of particles and photons has played an important role in the evolution of nuclear physics. In this experiment, you will be introduced to one such detector the scintillation counter which is particularly suitable for detecting γ-ray photons. You will use it to observe the energy spectrum of γ-rays from several nuclei and stu...
The progress in the development of the new international Gerda (GErmanium Detector Array) experiment is presented. Main purpose of the experiment is to search for the neutrinoless double beta decay of Ge. The experimental set up is under construction in the underground laboratory of LNGS. Gerda will operate with bare germanium semiconductor detectors (enriched in Ge) situated in liquid argon. I...
Epithermal neutron capture and transmission measurements were performed using the timeof-flight method at the Rensselaer Polytechnic Institute linac using metallic Nb samples. The capture measurements were made at the 25-m flight station with a 16-section sodium iodide multiplicity detector and the transmission measurements at the 25-m flight station with a 6Li glass scintillation detector. Res...
Eu- and Li-doped yttrium oxide nanocrystals [Y2-xO3; Eux, Liy], in which Eu and Li dopant ion concentrations were systematically varied, were developed and characterized (TEM, XRD, Raman spectroscopic, UV-excited lifetime, and ICP-AES data) in order to define the most emissive compositions under specific X-ray excitation conditions. These optimized [Y2-xO3; Eux, Liy] compositions display scinti...
The BC-523A detector is a boron-10-loaded liquid scintillation detector that is sensitive to not only fast neutrons and gamma rays, but also to thermal neutrons. This detector has recently attracted the attention of several researchers and has shown promise for neutron spectroscopy. Several efforts have been made to accurately characterize this detector for several neutron and gamma-ray energie...
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