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 40 for “"neutrino physics"”.
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Applications of Neutrino Physics
Neutrino physics has entered a precision era in which understanding backgrounds and systematic uncertainties is particularly important. With a precise understanding of neutrino physics, we can better understand neutrino sources. In this work, we demonstrate dependency of single detector oscillation …
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From atoms to astronomy : new approaches in neutrino physics
In this thesis I present research in neutrino physics utilizing tools from both atomic physics and astrophysics. Recent advances in atomic physics enable a new type of beta decay experiment to measure the absolute mass scale of the neutrino using a sample of ultracold atomic tritium. These initial …
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Higgs Effects in Neutrino Physics and Heavy Quark Systems
… of multi-Higgs doublets on the properties of neutrino sector and heavy quark systems. The phenomenological implications of multi-Higgs models, which contain multi-Higgs doublets, in the neutrino and quark sector are discussed in this dissertation. The two-Higgs-doublet model (2HDM), in which …
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Physics beyond the standard model: moduli stabilisation and neutrino physics
We look at models of neutrino mass and mixing which represent an important aspect of physics beyond the Standard Model (SM). We derive approximate analytic formulae for the neutrino mixing angles in general SD involving NLO and NNLO corrections. These expressions, which are given in terms of input …
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Solar and Sterile Neutrino Physics with the Raghavan Optical Lattice
The neutrino is, by its nature, an elusive particle that requires massive detectors with small backgrounds to capture a handful of events. Nevertheless, neutrino experiments stand at the heart of the current mysteries of particle physics and astrophysics. These include the origin and size of …
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A search for light weakly-interacting massive particles with SuperCDMS and applications to neutrino physics
… interactions independent of the dark matter halo physics, as well as on annual modulation of a dark matter signal. Cryogenic detectors similar to SuperCDMS also have potential applications in neutrino physics. We study several configurations in which dark matter detectors could be used with an …
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Oscillations and Sterile Neutrinos
In this work I aim to introduce neutrino physics from its fairly mundane beginnings all the way up to the discovery of neutrino oscillations, the latest detectors and theoretical extensions to current models. When viewed individually, many of the detector methods and theories for oscillation seem …
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An analysis of noise in the NOvA near detector
… NOvA (NuMI Off-axis νe Appearance) long-baseline neutrino experiment utilizes neutrino oscillations to gain insight into the unanswered questions in neutrino physics and further our knowledge of particle physics. The answers can only be arrived at through precise and accurate measurements of …
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ΜΕΛΕΤΗ ΑΝΤΙΔΡΑΣΕΩΝ ΝΕΤΡΙΝΩΝ ΜΕ ΚΑΛΟΡΙΜΕΤΡΟ ΛΕΠΤΗΣ ΔΙΑΜΕΡΙΣΗΣ
… AIM OF THE EXPERIMENT WAS TO SEARCH FOR HEAVY NEUTRINO DECAYS. IN THIS WORK I PRESENT THE BASIC POINTS OF THE "HEAVY NEUTRINO" PHYSICS AND OUR RESULTS FROM THE SEARCH FOR NEUTRINO DECAYS. THE MAIN FEATURES OF THE NEUTRINO-NUCLEON INTERACTIONS ARE PRESENTED AND THEN WE DESCRIBE THE NEUTRO BEAM, …
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Constraining the Neutrino Flux for Oscillation Measurements at MicroBooNE and DUNE
Neutrino physics requires a myriad of different complex aspects which need to come together precisely in order for accurate measurements to be accomplished in this meticulously detailed field. Some experiments are known best for one key measurement despite other physics also taking place, such as …
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Optimization Studies for the COBRA Neutrinoless Double-Beta Decay Experiment and Results from a Prototype
… semiconductor detectors to search for the neutrinoless double-beta decay of cadmium-116. While the experiment has produced globally competitive half-life limits with data from coplanar-grid CZT detectors, a future ton-scale iteration could set limits constraining the effective Majorana …
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Observation of Singly Charged Barium Ions in a Buffer Gas: Towards a Functional Barium-Tagging System for Use in the Enriched Xenon Observatory
The observation of the rare neutrinoless-double-beta-decay will have major implications for both neutrino physics and particle physics on a whole. A positive observation will confirm the Majorana nature of the neutrino and demonstrate that lepton number is not strictly conserved. Furthermore, a …
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Deep Learning for the KamLAND-Zen Search for 0𝜈𝛽𝛽
Neutrinoless double beta decay (0𝜈𝛽𝛽) is a major interest in neutrino physics. Discovery of 0𝜈𝛽𝛽 would demonstrate that neutrinos are Majorana fermions and that lepton number is not a symmetry of nature, thus providing a possible explanation for the observed matter-antimatter asymmetry of the …
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Neutrino Oscillations: Eighty Years In Review
<p>In order to discuss neutrino oscillations, it is necessary to have knowledge of the developments in the field spanning the last eighty years. The existence of the neutrino was posited by Wolfgang Pauli in 1930 to account for the mass defect in beta decay, and to this day physicists are still …
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Precision Neutrino Oscillations: Important Considerations for Experiments
Currently, we are in an era of neutrino physics in which neutrino oscillation experiments are focusing on doing precision measurements. In this dissertation, we investigate what is important to consider when doing these precise experiments, especially in light of significant unresolved anomalies. …
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Measuring theta?? via muon neutrino to electron neutrino oscillations in the MINOS experiment
One of the primary goals in neutrino physics at the present moment is to make a measurement of the neutrino oscillation parameter B13 . This parameter, in addition to being unknown, could potentially allow for the introduction of CP violation into the lepton sector. The MINOS long-baseline neutrino …
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First Step into A New Physics Realm: Search for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region
The search for neutrinoless double-beta decay (0𝜈𝛽𝛽) is the only way to prove the Majorana nature of neutrinos and is thus a major area of interest for neutrino physics. Discovering 0𝜈𝛽𝛽 and measuring its half-life will be the first solid evidence for physics beyond the Standard Model (BSM) and …
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Study on measuring Neutrino interactions with the ICARUS detector and addressing its cosmic ray background.
The Short Baseline Neutrino (SBN) program at Fermilab is the world's most sensitive research environment where to search for sterile neutrinos at the electronvolt mass scale. The program makes use of three liquid argon time projection chambers sequentially positioned along the Booster Neutrino …
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Radiative symmetry breaking in the supersymmetric minimal B-L extended standard model
The Standard Model (SM) of particle physics is a precise model of electroweak interactions. However, there is evidence from neutrino physics and astrophysical cosmology which is at odds with the SM framework. It appears likely that the validity of the SM will be compromised at energy scales of a …
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Calibration of the COHERENT Neutrino Flux Normalization Detector
Neutrinos hold the promise of untangling many unresolved questions in particle physics. Their unique properties and behaviors offer a distinctive window into understanding the fundamentals of the universe, potentially providing answers to some of the most deep puzzles in modern physics. CEνNS, or …
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