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  • 1975-1979  (9)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    A TI-59 model for nuclear reactions between complex nuclei (1979)
    Springer
    The European physical journal 290 (1979), S. 377-384 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The role of the fluctuating part of the reaction amplitude in the angular distribution and in the energy dependence of the backangle cross section is investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408399
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Excitation of quadrupole vibrations in two-nucleon transfer reactions (1978)
    Springer
    The European physical journal 289 (1978), S. 83-87 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The spectroscopic factor is considered for two-nucleon transfer reactions involving the excitation of quadrupole one-phonon states. Special attention is payed to the number of particles conservation condition in the dynamically distorted average potential of the deforming nucleus. It is required that the mean square of the time-derivtive of the particle number operator is zero in the collective phonon state. The condition is satisfied by a specially chosen residual interaction terms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408499
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Shell corrections for finite depth deformed potentials. II (1979)
    Springer
    The European physical journal 290 (1979), S. 107-111 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Energy shell corrections are derived for the nucleus238U by means of the new shell correction technique developed for finite depth single-particle potentials and exploiting only the bound states. The results are compared with those obtained by the traditional method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408485
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Energy- andN-averagings in the shell correction method (1979)
    Springer
    The European physical journal 293 (1979), S. 337-342 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is shown that a difference exists between the mean values of the total single-particle energies obtained by averaging over the nucleon numberN and over the phase-space distributions (the energy-averaging) due to the symmetry of the single-particle Hamiltonian. This difference could lead to significant corrections in fitting the nuclear masses involving the droplet model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01435276
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Semiclassical interpretation of the gross-shell structure in deformed nuclei (1977)
    Springer
    The European physical journal 283 (1977), S. 269-285 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An analysis of the classical closed orbits in the infinitely deep elongated ellipsoidal well is given with respect to their relevance to the gross-shell structure of the single-particle spectra in deformed nuclei. It is shown that the deformed-shape gross-shells responsible for the ground state deformations, as well as those responsible for the fission intermediate states, find a reasonable explanation in terms of the semiclassical three-dimensional quantization involving the planar orbits in the axis-of-symmetry plane and the simplest three-dimensional orbits which appear at large distortions. The former are found important for the ground state shapes. The results are also compared with the harmonic oscillator model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01407208
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Macroscopic rotation of cold nuclei (1978)
    Springer
    The European physical journal 289 (1978), S. 77-81 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using the statistical model, an estimate is obtained for the critical angular momentum when the rotational band ofγ-rays ends up in reactions with heavy ions. A model of classical non-quantized rotation is proposed for angular momenta exceeding the critical value. Estimates for the intensity ofγ-radiation and the descend time along the yrast-line proceeding the quantal rotation are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408498
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Collective motion at large amplitudes and finite velocities (1977)
    Springer
    The European physical journal 280 (1977), S. 99-106 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The cranking model calculation is analysed in the case of large amplitudes of collective motion and a finite velocity where the quantum perturbation theory is inapplicable. An analytic solution is carried out in the approximation of frequent crossings of the single-particle levels in the BCS-theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438114
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Shell corrections for finite depth potentials (1978)
    Springer
    The European physical journal 286 (1978), S. 291-297 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An improved version of the shell correction method is suggested valid for use with finite depth potentials without referring to unbound part of the spectrum. The improved values for the shell corrections are quite stable with respect to the variation of free parameters. Comparison with earlier calculations is given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408259
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Diffraction at backangles (1978)
    Springer
    The European physical journal 289 (1978), S. 65-75 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The backangle differential cross section is analyzed using an improved analytical approach. The differential cross section smoothed over the frequent angular oscillations is shown to be an oscillating function of the energy in the backangle region. Analogy with the radar scattering of light is pointed out. Angular and energy amplitude functions are introduced and discussed on the basis of general arguments and some simple examples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408497
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    Paper (German National Licenses)
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