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 209 for “"nuclear physics"”.
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Nuclear physics and dense matter
… do not depend strongly on the fine details of nuclear structure, the liquid drop model of the nucleus provides a convenient starting point. The influence of the matter outside the nuclei on the properties of the nuclei must, however, be taken into account. In this thesis we study several …
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The eikonal expansion in electromagnetic nuclear physics
… Institute of Technology, Dept. of Physics, 1989.
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Radioactivists: community, controversy and the rise of nuclear physics
… research in the 1920s, and of the emergence of nuclear physics in the 1930s. It is concerned with the production, circulation and certification of practice and knowledge in these fields of scientific research. By 1914, the study of radioactivity was confined to a few centres - Paris, Berlin, …
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Pionless Effective Field Theory: Building the Bridge Between Lattice Quantum Chromodynamics and Nuclear Physics
… first time the theory is extended to many-body nuclear systems. The free constants of the interaction are fitted using both experimental data and \ac{LQCD} results. The nuclear many-body Schr\"odinger equation is solved by means of the Auxiliary Field Diffusion Monte Carlo method. A linear …
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Compact neutron sources for Nuclear Physics: from accelerator-based to laser-driven neutron beams
Pulsed neutron beams are a valuable tool in nuclear physics with applications in a wide variety of fields, including fission and fusion, astrophysics, homeland security, medicine, cultural heritage, avionics, and other industrial or research applications. Despite the potential use of neutron beams, …
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The development of a thermally activated, continuously sensitive cloud chamber, and its use in nuclear physics research
… Institute of Technology, Dept. of Physics, 1937.
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DIDATTICA DELLA FISICA NUCLEARE NELLA SCUOLA SECONDARIA DI SECONDO GRADO: PROGETTAZIONE, ESPERIENZE SUL CAMPO, CONTENUTI TRANSDISCIPLINARI E RECEPIMENTO NORMATIVO.
An analysis of the current state of nuclear physics teaching in Italy and a survey of interest in this branch of physics among students who have graduated or recently enrolled in STEM degree courses were the starting points for the design of a course of nuclear physics lessons for high school …
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Multilevel Methods for the Poisson-Boltzmann Equation
… partial differential equation arising in biophysics. This problem has several interesting features impacting numerical algorithms, including discontinuous coefficients representing material interfaces, rapid nonlinearities, and three spatial dimensions. Similar equations occur in various …
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A coincident measurement of the three-body photodisintegration of helium-3
… beam, supplied by the University of Illinois Nuclear Physics Laboratory 100% duty factor electron microtron. The energy and angle of the np pairs were used to reconstruct the energy of the photon, making this a kinematically complete experiment. The $\sp3$He($\gamma$,np)p data were normalized …
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Data-Driven Methods for Low-Energy Nuclear Theory
… When applied to a domain science like nuclear physics, especially with the goalof deepening scientific insight, data-driven methods form a core pillar of the computational science endeavor.In this dissertation I explore two problems related to theoretical nuclear physics: one in the …
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Probing New Physics with Spectroscopy of Trapped Ions
… understanding of the Universe, and probing physics beyond the SM, including dark matter. In particular, it has been proposed that a new hypothetical elementary boson, a dark-matter candidate, can violate an SM prediction: linear distributions of measured isotope shifts (ISs) mapped onto …
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Neutron exposure and neutron flux in Asymptotic Giant Branch stars: a study of neutron capture cross sections of Zr isotopes
Nuclear astrophysics is an interdisciplinary branch of physics involving close collaboration among researchers in various subfields of nuclear physics and astrophysics, with significant emphasis in areas such as stellar modeling, measurement and theoretical estimation of nuclear reaction rates, …
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The Determination of the Thermal Neutron Flux in a Research Reactor
… not only for purposes of experimental reactor physics (e.g., determination of specific data with regard to a new reactor), and for reactor operation (e.g., determination of reactor power level) but also for numerous radiation experiments in solid state physics, nuclear physics and radiation …
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Phenomenology of Neutrino Interactions for Coherent Neutrino-Nucleus Scattering and Dark Matter Experiments
… scattering at low energies to search for new physics signatures in coherent elastic neutrino-nucleus scattering (CEvNS) and dark matter experiments. Furthermore, by leveraging the formalism described in the thesis, we will precisely compute the signals from both CEvNS and neutrino elastic …
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BAYESIAN INFERENCE ON NUCLEAR DATA AND NEUTRON STAR OBSERVATIONS FOR THE NUCLEAR EQUATION OF STATE
Nuclear matter is defined as a uniform infinite system composed of neutrons and protons at zero temperature interacting only through the nuclear force. Although an idealisation, it is achieved, to a good extent, in the interior of nuclei, where the density is roughly constant and the interaction is …
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Memory efficient indexing algorithm for physical properties in OpenMC
… with a focus on parallel scalability for large nuclear reactor simulations. The target problem for OpenMC is a full core high-fidelity multi-physics coupled simulation. This encompasses not only nuclear physics, but also material science and thermohydraulics. One of the challenges associated …
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Magnetic Field Shielding For the Forward Time of Flight Upgrade At Jefferson National Lab
… trajectories during experiments. Dr. Gothe's nuclear physics group has been experimenting with various types of magnetic shielding methods using a Helmholtz Coil to provide varying field strengths. Photomultiplier tubes with magnetic shielding built in supply the necessary shielding for the …
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High energy two-body deuteron photodisintegration
… chromodynamics (QCD) and traditional hadronic nuclear physics.
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Energy levels in certain light nuclei
A great portion of the experimental work in nuclear physics today has as its object the determination and study of energy levels in the nucleus. The energies of these levels can be determined by various types of experiments. In the work to be described in this thesis, two different types of …
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