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Sökning: WFRF:(van der Marel Hans)

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1.
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2.
  • Elgered, Gunnar, 1955, et al. (författare)
  • Ground-Based GPS for Climate and Numerical Weather Prediction Applications
  • 2003
  • Ingår i: The Eggs, Newsletter and Information Service of the EGU. ; :4, s. 22-24
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • The aim of this paper is to summarize ongoing activities within COST Action 716 - a voluntary collaboration between 15 European countries. The basic idea is to prepare the grounds for an operational observation system providing information on water vapour variations in the atmosphere above continuously operating GPS networks in Europe. The activity requires a close cooperation between scientists in the areas of geodesy and meteorology.
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3.
  • Stanoiu, M., et al. (författare)
  • N=14 and 16 shell gaps in neutron-rich oxygen isotopes
  • 2004
  • Ingår i: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 69:3
  • Tidskriftsartikel (refereegranskat)abstract
    • In-beam gamma-ray spectroscopy using fragmentation reactions of both stable and radioactive beams has been performed in order to study the structure of excited states in neutron-rich oxygen isotopes with masses ranging from A=20 to 24. For the produced fragments, gamma-ray energies, intensities, and gamma-gamma coincidences have been measured. Based on this information new level schemes are proposed for O-21,O-22 up to the neutron separation energy. The nonobservation of any gamma-decay branch from O-23 and O-24 suggests that their excited states lie above the neutron decay thresholds. From this, as well as from the level schemes proposed for O-21 and O-22, the size of the N=14 and 16 shell gaps in oxygen isotopes is discussed in the light of shell-model calculations.
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4.
  • Stanoiu, M., et al. (författare)
  • Study of drip line nuclei through two-step fragmentation
  • 2004
  • Ingår i: European Physical Journal A. - : Springer Science and Business Media LLC. - 1434-6001 .- 1434-601X. ; 20:1, s. 95-96
  • Tidskriftsartikel (refereegranskat)abstract
    • We have studied the structure of light neutron-rich nuclei around N = 16 by employing the in-beam gamma-ray spectroscopy technique using the fragmentation of secondary beams of Ne-25,Ne-26, Na-27,Na-28 and Mg-29,Mg-30 isotopes. This secondary-beam cocktail was obtained by the fragmentation of a 36 S beam at 77.5 MeV.A by the SISSI/GANIL facility. By a second-step fragmentation, we have measured gamma-ray-residue coincidences in C17-20 and O-23,O-24 and described the obtained levels in the framework of the shell model.
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  • Resultat 1-4 av 4

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