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  • 25.20.Lj  (1)
  • PACS:25.75.-q Relativistic heavy-ion collisions – 25.75.Dw Particle and resonance production – 25.75.Gz Particle correlations  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Photon production in nucleon-nucleon collisions (1991)
    Springer
    The European physical journal 339 (1991), S. 391-398 
    Details
    ISSN: 1434-601X
    Keywords: 14.80.Am ; 25.20.Gf ; 25.20.Lj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We calculate the differential cross section for nucleonnucleon bremsstrahlung in covariant way based on a realistic meson-exchange approximation for the NN-scattering amplitude. The results are discussed in comparison to semiclassical approximations and with respect to the role of internal radiation diagrams. The influence of the anomalous magnetic moment on the proton-neutron bremsstrahlung is found to contribute up to 50% for specific kinematical conditions. Recent measurements on the elementary differential cross sectionpn→pnγ are found to be quite accurately reproduced. Furthermore, for use in proton-nucleus and nucleus-nucleus collisions, we present a parametrization of thepnγ cross section within a broad kinematical range.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560642
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    (p,π±) correlations in central heavy-ion collisions at 1 ÷ 2 AGeV (2000)
    Springer
    The European physical journal 7 (2000), S. 507-518 
    Details
    ISSN: 1434-601X
    Keywords: PACS:25.75.-q Relativistic heavy-ion collisions – 25.75.Dw Particle and resonance production – 25.75.Gz Particle correlations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The proton–charged pion correlated emission is studied in the reactions Au (1.06 AGeV) + Au, Ni (1.06 and 1.93 AGeV) + Ni and Ni (1.97 AGeV) + Cu within the BUU approach. The associated invariant mass distributions are shifted to smaller energies with respect to the free Δ(1232) mass distribution due to kinematical reasons. We find that the existing and partly conflicting experimental data do not allow to draw definite conclusions on the in-medium modification of the Δ(1232).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00013652
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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