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  • 1980-1984  (6)
  • 1975-1979  (4)
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Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Shell corrections for highly asymmetric systems (1977)
    Springer
    The European physical journal 282 (1977), S. 417-420 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is pointed out that a routine application of existing codes to the calculation of Strutinsky-type shell corrections may lead to erroneous results for systems with high mass asymmetries. The reasons for these errors are pointed out and a modification of the shell correction method is proposed that avoids these difficulties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01434296
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inclusion of pairing into strutinsky-type cranking calculations (1979)
    Springer
    The European physical journal 293 (1979), S. 53-56 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The shell correction method for rotating nuclei was generalized to include pairing correlations. This extends the applicability of the cranked Strutinsky-type calculations to the low-spin region. As an illustrative example the yrast-line of24Mg is studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01414784
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Application of the incoming wave boundary condition to16O+16O and12C+12C elastic scattering (1980)
    Springer
    The European physical journal 294 (1980), S. 261-276 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The elastic scattering of12C+12C and16O+16O has been studied in the framework of an incoming wave boundary condition model. Different logarithmic derivatives for the incoming waves have been tested and their effects investigated with the help of Fourier analyses. It is shown that a logarithmic derivative obtained from a JWKB approximation leads to strong absorption of the low partial waves while a logarithmic derivative constant for all partial waves causes reflections. These reflections are necessary to describe the high energy elastic scattering of12C+12C. The fits thus obtained with shallow real potentials are comparable to those obtained with deep folding potentials. It is shown that not the lowest partial waves, but those within a window just below the grazing angular momentum are most important for the higher energy12C+12C angular distributions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438164
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Charge-drift and dispersion in deep inelastic collisions in an equilibrium model (1980)
    Springer
    The European physical journal 294 (1980), S. 351-352 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract First and second moments of the charge distribution for the reaction86K +166Er have been calculated assuming a thermal equilibrium model. The moments are calculated microscopically on the basis of a realistic two-center shell model as a function of distance as well as of excitation energy. The experimentally observed constancy of the first moments is reproduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01434143
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Cranking-HFB calculations of the yrastline for the nuclei232Th,234,236,238U,248Cm (1981)
    Springer
    The European physical journal 303 (1981), S. 131-134 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The CHFB method is applied to actinide nuclei. The calculated neutron alignment agrees with the experimental data, but for the proton alignment discrepancies are observed. The reliability of our approach and the information from measured odd-mass-actinide spectra are discussed. It is concluded that the experimental even-even spectra might have to be interpreted as bands in which the lowest excitation of two (651, 3/2) protons is not populated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01420270
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Optical potentials for elastic heavy ion scattering (1976)
    Springer
    The European physical journal 277 (1976), S. 243-248 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The real part of the optical potential is calculated in a microscopic model for the reactions4He-4He,16O-16O and40Ca-40Ca at several scattering energies. The two scattering partners are represented by ground state wave functions of an oscillator shell model localized at a given separation distance. The relative motion of the nuclei is approximated by a plane wave. For the nucleon-nucleon interaction we use the Skyrme force. The dependence of the optical potential on the scattering energy is investigated, both in the sudden and in the adiabatic approximation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415599
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Multipole pair fields at finite temperature (1983)
    Springer
    The European physical journal 313 (1983), S. 133-135 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Finite temperature HFB calculations have been performed in a model using the Surface Delta Interaction as the generating two body force. TheT=0 as well as theT=1 multipole pair fields are studied at various temperatures and different angular momenta. Higher multipole modes appear not only to be more resistant against increasing angular frequency but also against increasing temperature in comparison with the standard monopole pairing mode.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02115851
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Influence of strongly coupled inelastic excitations on the optical potential for12C+12C (1982)
    Springer
    The European physical journal 305 (1982), S. 179-183 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The contributions of some of the strongly coupled collective excitations in12C+12C to the heavy ion optical potential have been explicitly obtained by calculating the exact Green's function for this problem. The resulting nonlocal heavy ion potential and the trivially equivalent local potential are calculated and theirJ- andE-dependence are discussed. It is shown that the strong direct excitations contribute significantly to the absorptive part of the heavy ion potential in the surface region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415027
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Polarization effects for elastic and inelastic scattering with an adiabatic-propagator approximation (1983)
    Springer
    The European physical journal 314 (1983), S. 317-322 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The effective coupling potentials derived from Feshbach's projection formalism can be significantly simplified with an adiabatic approximation in the propagator. For the diagonal and non-diagonal correction terms we derive perturbation series that lead to prominent shifts in both excitation energies and transition probabilities. We give a comparison between the conventional DWBA treatment and our modified analysis for16O+16O scattering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412928
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    The cranked harmonic oscillator in coordinate space (1978)
    Springer
    The European physical journal 285 (1978), S. 83-87 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The cranked anisotropic harmonic oscillator has been diagonalized in coordinate space. Recurrence relations for the wavefunctions and their derivatives are derived in a form suitable for their numerical evaluation. Symmetries of the wavefunctions under coordinate inversions are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01410229
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    Paper (German National Licenses)
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