Sökning: "alpha particle"

Visar resultat 1 - 5 av 58 avhandlingar innehållade orden alpha particle.

  1. 1. On Alpha-decay and Alpha Clustering

    Författare :Gordana Dodig Crnkovic; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The half-life for the Alpha-decay of 212 Po is calculated within a harmonic oscillator representation. Clustering induced by the nuclear interaction appear by considering alarge configuration space. The role of clusterisation in the alpha-decay process isclearly demonstrated. LÄS MER

  3. 2. Nuclear structure aspects of proton and alpha particle decay

    Författare :Daniel Karlgren; Ramon Wyss; Rezso Lovas; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Atomic physics; Atomfysik;

    Sammanfattning : .... LÄS MER

  4. 3. Thermonuclear instabilities and fast particle transport in fusion plasmas

    Författare :Tünde Fülöp; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; tokamaks; alpha particles; electron beam transport; Toroidal Alfvén Eigenmodes; thermonuclear instabilities; fusion plasmas; Ion Cyclotron Emission;

    Sammanfattning : .... LÄS MER

  5. 4. On Weapons Plutonium in the Arctic Environment (Thule, Greenland)

    Författare :Mats Eriksson; Lund Medicinsk strålningsfysik; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Nuclear physics; Kärnfysik; Nuclear medicine; radiobiology; Nukleärmedicin; radiobiologi; Nuclear engineering and technology; Kärnteknik; realtime digital image systems; SEM; ICP-MS; alpha spectrometry; gamma spectrometry; heterogeneous activity concentration; hot particle; separation technique; isotopic ratio; inventory; source term; fallout; americium; uranium; plutonium; radionuclide; Bylot Sound; Greenland; Thule; environmental radioactivity; nuclear accident;

    Sammanfattning : This thesis concerns a nuclear accident that occurred in the Thule (Pituffik) area, NW Greenland in 1968, called the Thule accident. Results are based on different analytical techniques, i.e. gamma spectrometry, alpha spectrometry, ICP-MS, SEM with EDX and different sediment models, i. LÄS MER

  7. 5. A Fast Pixelated Thermal-Neutron Detector

    Författare :Emil Rofors; Kärnfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SoNDe; thermal-neutron detector; GS20 scintillator; Li-glass; H12700A MAPMT; position-dependent response; alpha-particle; proton; deuteron; neutron; ESS; SKADI;

    Sammanfattning : This thesis presents the study of a position-sensitive scintillation-based detector called the Solid-State Neutron Detector (SoNDe). SoNDe is being developed for cold- and thermal-neutron detection at the small-angle neutron scattering (SANS) instrument SKADI at the European Spallation Source (ESS), currently under construction in Lund, Sweden. LÄS MER