Search for dissertations about: "gamma ray spectroscopy"

Showing result 1 - 5 of 32 swedish dissertations containing the words gamma ray spectroscopy.

  2. 1. Applications of Gamma Ray Spectroscopy of Spent Nuclear Fuel for Safeguards and Encapsulation

    Author : Christofer Willman; Ane Håkansson; Henrik Nylén; Uppsala universitet; []
    Keywords : Nuclear physics; gamma radiation; spectroscopy; spent nuclear fuel; safeguards; HRGS; MOX; Kärnfysik;

    Abstract : Nuclear energy is currently one of the world’s main sources of electricity. Closely connected to the use of nuclear energy are important issues such as the nonproliferation of fissile material that may potentially used in nuclear weapons (safeguards), and the management of the highly radioactive nuclear waste. READ MORE

  4. 2. Nuclear Structure Studies near 208Pb and γ-ray Imaging Techniques

    Author : Natasa Lalovic; Kärnfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; nuclear structure; gamma-Ray spectroscopy; AGATA; isomeric decays; relativistic projectile fragmentation; Pb isotopes; nuclear structure; gamma-ray spectroscopy; AGATA; isomeric decays; relativistic projectile fragmentation; Pb isotopes;

    Abstract : This thesis focuses on a high-resolution γ-ray spectroscopy experiment where the fragmenta- tion of a 208 Pb primary beam was used to populate even-mass nuclei around 208 Pb. It was conducted in 2012 using the Advanced GAmma-ray Tracking Array (AGATA) while it was placed at GSI Darmstadt, Germany. READ MORE

  5. 3. Quantum-state Selective Nuclear Decay Spectroscopy

    Author : Ch. Lorenz; Kärnfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; nuclear structure; alpha decay; beta decay; gamma rays; spectroscopy; Penning traps; shell-model calculations; Geant4 Monte Carlo Simulations;

    Abstract : This thesis focusses on the results of two experiments employing Penning traps to prepare pure beams of the 213Ra ground state and 127Cd, which were then studied with the decay-spectroscopy setup TASISpec. The experiments were conducted with SHIPTRAP at the GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt, Germany, and JYFLTRAP at the IGISOL Accelerator Facility at the University of Jyväskylä, Finland. READ MORE

  6. 4. The Nucleus 59Cu - Complex Structure, Shape Evolution, Exotic Decay Modes

    Author : Corina Andreoiu; Fysiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Kondenserade materiens egenskaper:elektronstruktur; spectroscopy; relaxation; magnetic resonance; supraconductors; Ge detectors; gamma-ray spectroscopy; charged particle detectors; level scheme; superdeformation; Cranched Nilsson-Strutinsky approach; gamma decay-out mechanism; prompt proton decay; Condensed matter:electronic structure; Kärnfysik; Nuclear physics; magnetic and optical properties; electrical; egenskaper elektriska; magnetiska och optiska ; supraledare; magnetisk resonans; spektroskopi; Fysicumarkivet A:2002:Andreoiu;

    Abstract : High-spin states in the mass A~60 region were populated using the state-of-art gamma-ray spectrometers Gammasphere, Euroball, and GASP in conjunction with dedicated ancillary detectors. In particular, the 59Cu nucleus was studied in several experiments, and a very extensive level scheme was determined. READ MORE

  7. 5. Studies of Nuclear Fuel Performance Using On-site Gamma-ray Spectroscopy and In-pile Measurements

    Author : Ingvar Matsson; Anders Bäcklin; Ane Håkansson; Björn Grapengiesser; Riitta Kyrky-Rajamäki; Uppsala universitet; []
    Keywords : Nuclear physics; fission gas release; nuclear fuel; core physics; gamma-ray spectroscopy; LOKET; thermal power; burnup; fuel failure; validation; cladding; Kärnfysik;

    Abstract : Presently there is a clear trend of increasing demands on in-pile performance of nuclear fuel. Higher target burnups, part length rods and various fuel additives are some examples of this trend. READ MORE