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 20 of 22 for “"Particle detector"”.
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Particle detector optimization via particle flow algorithms
… NonTrivialPfa.java PFA for several different detector variations was found by determining the mass resolution for a given detector geometry. The variations tested included the layering of the hadronic calorimeter, the radius of the calorimeter, the interaction material utilized in the hadronic …
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Development of Superconducting Single-Particle Detector Transition-Edge Sensor
L'abstract è presente nell'allegato / the abstract is in the attachment
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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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Monte Carlo event reconstruction implemented with artificial neural networks
… is using a Monte Carlo simulation of the OLYMPUS particle detector to evaluate systematics and reconstruct events. This simulation registers the passage of particles as 'hits' in the detector elements, which can be used to determine event parameters such as momentum and direction. However, these …
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Search for antideuterons and strangelets in cosmic rays with AMS-01
… Alpha Magnetic Spectrometer) is a high-energy particle detector in space. An engineer- ing version of AMS, AMS-01, flew on the space shuttle Discovery for ten days in June 1998 and collected 108 cosmic ray events. This thesis extends the previous results of the AMS-01 flight by performing a …
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The integration of active silicon components in polymer microfluidic devices
… diode for use as a transmission radiation particle detector for focused ion-beams. Finally, the optoelectronic properties of silicon are used as a photoconductive layer in light-induced dielectrophoretic manipulation of cells. These three projects are combined to investigate optofluidic …
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Analysis of a deep neural network for missing transverse momentum reconstruction in ATLAS
The ATLAS detector is a multipurpose particle detector built to record almost all possible decay products of the high energy proton-proton collisions provided by the Large Hadron Collider. The presence and combined kinematics of unobserved particles can be inferred by the observed momentum …
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Magnetic particle imaging for intraoperative breast cancer margin assessment and functional brain imaging
Magnetic Particle Imaging (MPI) is an emerging tracer-based imaging modality that uniquely images the nonlinear magnetization of superparamagnetic iron oxide nanoparticles (SPIOs). MPI boasts high sensitivity, zero background signal, positive contrast, fast temporal resolution, and quantitative …
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An absolute measurement of the photodisintegration of Helium-4
… reactions are understood in terms of fundamental particle interactions. The measurement was performed with a tagged-photon beam, using a large solid-angle charged particle detector developed for this and other similar experiments. The measurement was performed within the photon energy range …
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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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Detection of core-collapse supernovae through joint analysis of LIGO gravitational wave and KamLAND neutrino data
… (Kamioka Liquid scintillator Anti-Neutrino Detector) is a large particle detector located in Kamioka, Japan. KamLAND is well-shielded, with an low (~ 1 MeV) energy threshold and has more than ten years of data to explore, making it a good candidate for a joint search. A recent search of …
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Environmental Monitoring - using diode-laser-based spectroscopic techniques
… diffusion characteristics. A new single-aerosol particle detector using a coupled-cavity diode laser was developed. Simultaneous size and shape determination was demonstrated by recording of the optical extinction and a diffraction image in the near-forward scattered light.
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Study of ¹⁸NE using the array for Nuclear Astrophysics and Structure with exotic nuclei
… Structure with Exotic Nuclei (ANASEN), a charged particle detector designed by Louisiana State University (LSU) and Florida State University (FSU), was created for this purpose. ANASEN is used to study the reactions important for the αp- and rp- processes with proton-rich exotic nuclei by …
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Characterizing high-energy electrons in space using science imagers
… in the form of ionized, highly energetic particles is part of the space environment and can affect the operation, performance, and lifetime of spacecraft and their instruments. Jupiter has the largest and strongest magnetosphere of all of the planets in the solar system and it is dominated …
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Theory and Applications of the Aerodynamic Aerosol Classifier
… in aerosol research and led to a variety of particle instruments being developed over the past seven decades. The Aerodynamic Aerosol Classifier (AAC) is a relatively new instrument, which selects aerosol particles based on their relaxation times or aerodynamic diameters. This dissertation …
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Compact neutron sources for Nuclear Physics: from accelerator-based to laser-driven neutron beams
… W/cm2) lasers and their applications as compact particle accelerators. Laser-driven neutron sources (LDNS) are particularly attractive for nuclear physics applications based on the time-of-flight technique thanks to their short pulse length and high instantaneous flux. There are several recent …
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Innovative Methods for LEO Particle Experiments]{Innovative Methods and Instrumentation for Low-Energy Particle Experiments in Low-Earth Orbit Space Mission Analysis and Hardware R&D across the NUSES, CSES-Limadou and SPaRKLE Projects
… entire scientific process of space-based astroparticle physics experiments, from initial design and concepts to the detailed modeling of instrument response and calibration strategies, followed by the analysis of flight data. This comprehensive perspective, spanning the full spectrum of …
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Monitoring Biological Events on Native Cell Membranes with Organic Bioelectronics
… is further assessed by testing a range of viral particle concentrations; the detectable concentration reaching as low as ~10<sup>2</sup> virus pseudo particles (VPPs) per ml. We successfully apply this platform not only as a sensitive viral particle detector, but also as a drug-screening platform …
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