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Visar resultat 16 - 20 av 128 uppsatser som matchar ovanstående sökkriterier.

  1. 16. Trigger-Level Multiple Electron Event Classification with LDMX using Artificial Neural Networks

    Master-uppsats, Lunds universitet/Partikel- och kärnfysik; Lunds universitet/Fysiska institutionen

    Författare :Jacob Lindahl; [2023]
    Nyckelord :LDMX; ANN; CNN; GNN; RNN; DM; Physics and Astronomy;

    Sammanfattning : Artificial neural networks is a powerful tool for classifying and identifying patterns in large amounts of data. One of the possible tasks of these networks is classification of data into categories. LÄS MER

  3. 17. The Bloch-Messiah theorem and its application to overlaps

    Kandidat-uppsats, Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionen

    Författare :Frieder Selisko; [2023]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : The Bogoliubov transformation is the starting point for the Hartree-Fock-Bogoliubov method and thus for many theoretical approaches that describe heavy nuclei. This transformation is based on two matrices, denoted by U and V, which are called Bogoliubov amplitudes. In this paper the properties of these matrices are investigated. LÄS MER

  4. 18. Using Variance Reduction to Determine the Neutron Flux Outside a Small Modular Reactor Core

    L3-uppsats, Uppsala universitet/Tillämpad kärnfysik

    Författare :Marcus Petersson; [2023]
    Nyckelord :Reactor physics; Nuclear physics; Small Modular Reactor; NuScale; Variance Reduction;

    Sammanfattning : .... LÄS MER

  5. 19. Pulse Shape Analysis of Si Detector Signals from Fission Fragments using the LOHENGRIN Spectrometer

    L3-uppsats, Uppsala universitet/Tillämpad kärnfysik

    Författare :Dimitrios Papaioannou; [2023]
    Nyckelord :plasma delay time; PDT; pulse shape analysis; waveform; LOHENGRIN; nuclear; fission;

    Sammanfattning : Nuclear physics experiments typically involve the collection and analysis of detector signals produced by the interaction of subatomic particles with matter to deduce various quantities. When heavy ions are involved, Si Detector signals are distorted by the formation of a plasma-like cloud from the interaction between the heavy ions and the detector material. LÄS MER

  7. 20. Models for estimating radiation dose and LAR from radioactive fallout: extended dose algorithms for the computational tool LARCalc

    Master-uppsats,

    Författare :Jonathan Sundström; [2022-09-09]
    Nyckelord :Medical physics; Nuclear power plant; Radiation dose; Effective dose; Lifetime attributable risk; LAR; Fallout; Inhalation; Strontium-90; Iodine-131; Cloudshine;

    Sammanfattning : Today, emergency preparedness is needed against both nuclear reactor accidents and nuclear weapons fallout. Both scenarios can lead to exposure of ionizing radiation. Upon exposure, radionuclides will incur a radiation dose both internally and externally. LÄS MER