Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"particle detectors"”.
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Quasiparticle and Phonon Transport in Superconducting Particle Detectors
… of superconductors in X-ray, gamma ray and other particle detectors. Detectors based on superconductor-insulator-superconductor(SIS) and superconductor-insulator-normal metal(SIN) tunnel junctions have been widely developed. To date, the predicted excellent energy resolving ability of such …
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Innovations in Transition-Edge Sensors as superconductive single-particle detectors
L'abstract è presente nell'allegato / the abstract is in the attachment
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4H silicon carbide particle detectors: study of the defects induced by high energy neutron irradiation
… cm-2s-1) for about 10 years. The current silicon detectors are unable to cope with such an environment. Silicon carbide (SiC), which has recently been recognized as potentially radiation hard, is now studied. In this work it was analyzed the effect of high energy neutron irradiation on 4H-SiC …
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Test and characterization of a new triple-GEM detector
… triple-GEM (Gas-Electron Multiplier) prototype detectors. GEM detectors represent one of the latest developments in a new style of gaseous particle detectors. They have become well-known and widely used. Improvements in foil production are important for future applications of the detectors to …
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Investigation of Particle Trajectories in the Near-Earth Night-Side Magnetosphere Using Riometers
… historically been studied primarily by data from particle detectors on satellites, causing gaps in our knowledge because these events are spatially large and highly structured and satellites provide only point measurements. It has been shown that injections can be identified in ground-based …
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Position sensitive detectors in GaAs
… of gallium arsenide position sensitive detectors. These are aimed at various applications with the original motivation being experimental particle physics. An account is given of basic semiconductor physics relevant to particle detectors. A review of electronics applicable to reading out …
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Low Pressure Focal Plane Detectors for the K600: A design study
Magnetic spectrometers and position-sensitive particle detectors have been used for a long time in experimental nuclear physics, with the K600 high-resolution magnetic spectrometer at iThemba LABS being an example of such a system. This dissertation presents a review of the K600 magnetic …
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Gas electron multipliers and a scanner for automated quality control
… charge amplification element for use in gaseous particle detectors. Because of their high gain ([approx.] 10⁵ when cascaded) and ability to withstand harsh radiation conditions, GEMs have been selected for use in the time projection chambers of the latest high-energy experiments, including …
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Metrics, Muons, Moments, Models, Machine Learning, Measurements, and More: A Manifesto on Collider Physics
The interface between particle theory and particle experiments is essential to improving our understanding of the Standard Model and looking for new physics beyond it. At this interface lies a complicated web of complex and expensive simulations that cannot fully be trusted, experimental and …
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Light-Matter Interactions with Photonic Quasiparticles
… excitations in solids ("photonic quasiparticles"), whose strongly confined electromagnetic fields can interact strongly with matter. This thesis describes how the rules of light-matter interactions are altered when bound and free electrons interact with photonic quasiparticles, and some …
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A compact high-energy particle detector for low-cost deep space missions
Over the last few decades particle physics has led to many new discoveries, laying the foundation for modern science. However, there are still many unanswered questions which the next generation of particle detectors could address, potentially expanding our knowledge and understanding of the …
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Measurement of Polarized Proton-Proton Elastic Scattering at the Relativistic Heavy Ion Collider (RHIC)
… scattering observables by the use of its forward particle detectors, known as Roman pots.</p> <p>In this dissertation I present the measurement of polarized <em>pp</em> elastic scattering at RHIC. I describe the "<em>pp2pp</em> at STAR" experiment focusing on elastic scattering observables from …
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Measuring Hanbury Brown-Twiss correlations of pions in high-energy nucleus-nucleus collisions
This dissertation examines how particle detectors extract information about correlations due to the Hanbury Brown-Twiss (HBT) effect for identical pions from the collision debris of a high-energy collision between two heavy nuclei. The basic ingredients of HBT correlations are: the exchange …
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Artificial engineered materials for novel accelerator applications
… interaction of the structure with charged particles. To understand the wave-beam interactions in the structure, particle in cell simulations were performed for a commercial beam, a very high intensity beam and the current beam available on the Versatile Electron Linear Accelerator (VELA) …
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Detector simulation and WIMP search analysis for the Cryogenic Dark Matter Search experiment
… composed of dark matter, made up of non-baryonic particles that interact with cross-sections on the weak scale or lower. Hypothetical Weakly Interacting Massive Particles, or WIMPs, represent a potential solution to the dark matter problem, and naturally arise in certain Standard Model extensions. …
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Characterisation and calibration of silicon photomultipliers for next-generation space detectors
… are the fundamental driving factors for sending detectors to space [1]. Apart from employing high-performance SiPMs, it is also important to achieve a convenient trade-off between fast signal processing, good signal amplification, and low noise in order to obtain highquality scientific data. HERD …
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Applications of X-ray Instrumentation for Dark Matter Searches with Cosmic-ray Antiparticles
… is comprised of some unidentified fundamental particle, but despite compelling evidence of abundant dark matter and precise observation of its gravitational effects, the nature of this material remains a mystery. The effort to reveal the fundamental properties of the dark matter is a central …
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Sub-nanosecond Cherenkov photon detection for LHCb particle identification in high-occupancy conditions and semiconductor tracking for muon scattering tomography
… the context of the Ring-Imaging Cherenkov (RICH) detectors. The application of a time gate in the FPGA of the digital readout board for the Upgrade Ia photon detector, which is being installed for LHC Run 3, is described. Data recorded during SPS charged particle beam tests using a 6.25 ns time …