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 313 for “"particle physics"”.
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Particle Physics in the LHC Era
<p>During the past 100 years experimental particle physicists have collected an impressive amount of data. Theorists have also come to understand this data extremely well. It was in the first half of the 20th century the efforts of the early pioneers of quantum mechanics laid the ground work for …
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Topological effects in particle physics phenomenology
… In this context, a topological term couples the particle to a background magnetic field. The usual methods for formulating and solving the quantum mechanics of a particle moving in a magnetic field respect neither locality nor any global symmetries which happen to be present. We show how both …
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Relevant Operators of Particle Physics and Cosmology
<p>Although the Standard Model of Particle Physics can reproduce the results of all the experiments performed to this date, it can only be an effective theory of fundamental physics. However, treating the Standard Model this way brings its own set of challenges; namely, the coefficients of relevant …
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Few body problems in nuclear and particle physics
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-08T16:17:27Z No. of bitstreams: 1 1983_carlson.pdf: 4348858 bytes, checksum: 6ce5277d5cb0c37d5c05c29b8172fc7c (MD5)
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Anomalies and the Standard Model of Particle Physics
… and some other aspects of the Standard Model of Particle physics. In any quantum gauge field theory, anomalies place a very restrictive condition on the matter content and the dynamics. The former is due to the cancellation of gauge anomalies while ’t Hooft anomaly matching constraints produce …
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Arithmetical, geometrical, and categorical forays into particle physics
… Thesis will focus on three different forays into particle physics using pure mathematics. Our first foray studies anomaly free gauge algebras. Using geometric methods, we reproduce a solution given to the anomaly cancellation conditions associated with a pure u(1)-gauge theory in Costa et al. …
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Applications of particle physics to the early universe
… the field at the crossing between Cosmology and Particle Physics. The Cosmology of several models of the Physics Beyond the Standard Model is studied. These range from an inflationary model based on the condensation of a ghost-like scalar field, to several models motivated by the possibility that …
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Beyond the Standard Models of Particle Physics and Cosmology
… evidence suggests the Standard Models of Particle Physics and Cosmology should be considered incomplete theories, reliable only within their well-defined regime of validity. This dissertation covers various possible extensions of those models from the theoretical, phenomenological and …
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Beyond The Standard Models Of Particle Physics And Cosmology
… evidence suggests the Standard Models of Particle Physics and Cosmology should be considered incomplete theories, reliable only within their well-defined regime of validity. This dissertation covers various possible extensions of those models from the theoretical, phenomenological and …
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Applications of High Speed Configurable Logic Devices in Modern Particle Physics Experiments
Several activities were conducted during my PhD activity. For the NEMO experiment a collaboration between the INFN/University groups of Catania and Bologna led to the development and production of a mixed signal acquisition board for the Nemo Km3 telescope. The research concerned the feasibility …
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Seeing the Forest Through the Trees: Knowledge Retrieval for Streamlining Particle Physics Analysis
… scientific collaborations. Within experimental particle physics, such structured knowledge bases could expedite methodological and editorial review. Complementarily, within the broader scientific community, generative LLM systems grounded in published work could make for reliable companions …
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The Search for Dark Photons at LHCb and Machine Learning in Particle Physics
Investigating hypothetical particles called dark photons helps shed light on the nature of dark matter, which is one of the biggest open questions in particle physics. This thesis presents world-leading limits in searches for prompt-like and long-lived dark photons decaying into two muons, as well …
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DEEP LEARNING APPLICATIONS TO PARTICLE PHYSICS: FROM MONTE CARLO SIMULATION ACCELERATION TO PROTODUNE RECONSTRUCTION
… in the context of deep learning applications to particle physics. The dissertation follows two main parallel streams: the development of hardware-accelerated tools for event simulation in high-energy collider physics, and the optimization of deep learning models for reconstruction algorithms at …
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Working in high-dimensional parameter spaces: Applications of machine learning in particle physics phenomenology
Contains fulltext : 238578.pdf (Publisher’s version ) (Open Access)
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Particle physics in the sky and astrophysics underground : connecting the universe's largest and smallest scales
Particles have tremendous potential as astronomical messengers, and conversely, studying the universe as a whole also teaches us about particle physics. This thesis encompasses both of these research directions. Many models predict a diffuse flux of high energy neutrinos from active galactic nuclei …
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The Development of Computational Tools for Theoretical Predictions in Particle Physics at the Large Hadron Collider
… for the decay widths of as-yet undiscovered particles in the context of supersymmetry. Chapter 1 presents a brief chronology and review of the Standard Model. Fol- lowing this, the work reported in this thesis is split into two parts, focused on the two main projects undertaken. Chapters 2, 3 …
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When Public Relations and Particle Physics Collide: An Ethnographically Informed Account of Life in the CERN Communications Group
… and researchers working in High-Energy Physics. A review of current research into the dissemination of scientific information in the digital age shows a dearth of empirical studies that explore the role of communication professionals within scientific organisations. I argue that …
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Forging the inner space- outer space connection
… two theories to the bridging of cosmology and particle physics. Although the former theory is in the field of cosmology while the latter is in particle physics, their similarities are impressive. Both attempt to understand the origins of mass. Even more striking is the mathematics involved in …
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Designing an event display for the Transition Radiation Detector in ALICE
… Research (CERN). Reviews of the fields of particle physics and visualisation are presented to motivate formally designing this display for two different audiences. We formulate a methodology, based on successful design studies in similar fields, that involves experimental physicists in the …
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Doppler shifts in the KATRIN experiment
… neutrinos, which are predicted to be massless particles by the Standard Model of Particle Physics, have been shown to have non-zero mass. The absolute scale of this neutrino mass has significant implications in particle physics, astrophysics, and cosmology. The KATRIN experiment is designed to …
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