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 15 of 15 for “"weakly interacting massive particles (WIMPs)"”.
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Point by point gain calibration of the Dark Matter Time Projection Chamber
… of nuclear recoil tracks induced by incoming weakly interacting massive particles (WIMPs). In this thesis I analyze nonuniformities in the CCD images used to record the nuclear recoils. I then identify the source of the nonuniformities and describe a method for calibrating the CCD images. The …
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A search for signatures of dark matter in the AMS-01 electron and antiproton spectrum
If dark matter consists of Weakly Interacting Massive Particles (WIMPs), such as the supersymmetric neutralino, various theories predict that their annihilation in the galaxy can give rise to anomalous features in the otherwise smooth spectra of charged cosmic rays. Up to now searches for these …
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Alpha Spectroscopy in a Superheated Bubble Chamber and the Design of the PICO-500 Hydraulic Control Cart
… detection via any known interaction mechanism. Weakly interacting massive particles (WIMPs) are a leading dark matter candidate, and the PICO collaboration has made significant strides in searching for WIMPs, focusing on the spin-dependent WIMP-proton interaction. The PICO collaboration employs …
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A search for light weakly-interacting massive particles with SuperCDMS and applications to neutrino physics
… are currently undertaking searches for weakly-interacting massive particles (WIMPs), the leading class of particle candidates for dark matter. This thesis describes the results of such a search with the SuperCDMS experiment, which uses Ge detectors cooled to 50 mK to detect ionization …
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Analysis of vacuum and argon gas fill data from the MiniCLEAN dark matter experiment
… in these structures is unseen. The existence of weakly-interacting massive particles (WIMPs) was proposed in the early 1980s to account for the anomalous rotation curves and provide a mechanism for producing the cold dark matter relic density, which along with dark energy is thought to dominate …
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Calibration of Infrared Photons in Cryogenic Germanium Detectors
… it consists of non-relativistic, non-baryonic particles, which seldom interact with baryonic matter, or with each other. Many experiments are searching for dark matter, each of which is based on a particular dark matter candidate. Weakly Interacting Massive Particles (WIMPs) are one of the …
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An atom trap trace analysis (ATTA) system for measuring ultra-low contamination by krypton in xenon dark matter detectors
… matter experiment aims to detect hypothetical weakly interacting massive particles (WIMPs) scattering off nuclei within its liquid xenon (LXe) target. The trace 85Kr in the xenon target undergoes beta-decay with a 687 keV end point and 10.8 year halflife, which contributes background events and …
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Characterization of electroluminescence signals from nuclear recoil events in the dual-phase argon Time Projection Chamber of the Red experiment with Convolutional Autoencoders
… the most compelling dark matter candidates are Weakly Interacting Massive Particles (WIMPs), whose thermal relic abundance from the Big Bang aligns with current observations. The Global Argon Dark Matter Collaboration (GADMC) seeks to directly detect WIMPs using DarkSide-20k, a multi-ton …
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XENON100 Dark Matter Search: Scintillation Response of Liquid Xenon to Electronic Recoils
… nonbaryonic, yet undiscovered dark matter. Weakly Interacting Massive Particles (WIMPs) are the most well-motivated dark matter candidates and significant efforts have been made to search for WIMPs. The XENON100 dark matter experiment is currently the most sensitive experiment in the global …
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The Light Response of the XENON100 Time Projection Chamber and the Measurements of the Optical Parameters with the Xenon Scintillation Light
… as a sensitive detector medium in search for weakly interacting massive particles (WIMPs). These particles are the leading candidates to explain the non-baryonic, cold dark matter in our Universe. XENON100, the successor experiment of XENON10, has increased the target liquid xenon mass to 61 …
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Development of an Experimental Setup to Measure the Radiopurity of Argon from Urania and Aria
… pursuit of direct or indirect detection of DM particles. Among the most promising candidates under investigation are Weakly Interacting Massive Particles (WIMPs). In a \textit{large} and low-background target, WIMPs are expected to undergo \textit{nuclear recoil} with the target nucleus, …
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PANDAX-II DARK MATTER DETECTOR AND ITS FIRST RESULTS
… questions nowadays. The leading candidates, weakly interacting massive particles (WIMPs), can be directly detected by looking for WIMP-nucleus scattering events in deep underground laboratories. Since the 1980s, physicists have improved the sensitivity of direct DM detection by about seven …
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The XENON100 Dark Matter Experiment: Design, Construction, Calibration and 2010 Search Results with Improved Measurement of the Scintillation Response of Liquid Xenon to Low-Energy Nuclear Recoils
… at solving the hierarchy problem predict stable weakly interacting massive particles (WIMPs) that could naturally have the right cosmological relic abundance today to compose most of the dark matter if their interactions with normal matter are on the order of a weak scale cross section. These …
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A Search for WIMP Dark Matter using an Optimized Chi-square Technique on the Final Data from the Cryogenic Dark Matter Search Experiment (CDMS II).
… and other large-scale structures.</p> <p>Weakly Interacting Massive Particles (WIMPs) are well motivated class of dark matter candidates that arise naturally in supersymmetric extensions to the Standard Model of particles physics, and can be produced as non-relativistic thermal relics in …
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The Cryogenic Dark Matter Search low ionization-threshold experiment
… scientific upgrades to detect Dark Matter particles of mass O(100) GeV/c2. This mass-scale was set primarily by predictions from Super Symmetry. Around 2013 the canonical SUSY predictions were losing some ground and several observations (rather hints of signals) from various experiments …