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    Electronic Resource
    Electronic Resource
    Spin excitations in light nuclei: The $$(\vec p,\vec p')$$ reaction on40Ca (1989)
    Springer
    The European physical journal 333 (1989), S. 137-140 
    Details
    ISSN: 1434-601X
    Keywords: 24.10 ; 24.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a microscopic analysis of the nuclear spin response to proton excitation by examining the specific case of the40Ca $$(\vec p,\vec p')$$ reaction. Recent results at LAMPF indicate an interesting trend of a decrease in spin dipole strength and an increase in quadrupole strength when the proton momentum transfer is increased. We show that these effects are consistent with Random Phase Approximation (RPA) results and that, furthermore, the experimental spin response can be used to yield unequivocal information on the strength of the spin-isospin component of the nuclear interaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01565143
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Isospin dependence of the isoscalar giant quadrupole response: Relevance to pion scattering in the Ni isotopes (1989)
    Springer
    The European physical journal 334 (1989), S. 381-384 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.k ; 23.40.Hc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study the isospin dependence of the isoscalar giant quadrupole response to pion excitation, with the aim of showing that the apparent anomaly in the π−/π+ analyses is due to the highly selective nature of surface pion absorption. In that context, we present results of continuum RPA calculations which are consistent with recent inelastic pion scattering data on58–64Ni. In general, the calculation predicts a drastic increase in the ratio of neutron to proton transition density in going from56Ni to66Ni, a trend well substantiated by recent LAMPF experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294743
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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