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  • 1990-1994  (2)
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  • 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
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cherenkov radiation spectrum (1992)
    Springer
    International journal of theoretical physics 31 (1992), S. 61-74 
    Details
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new method is proposed for the construction of the theoretical Cherenkov spectrum. The expression representing the spectral energy distribution has the same form as the classical Frank-Tamm formula, but the square of the index of refraction is replaced by the real part of a dielectric function, which we interpret as a function characteristic of the polarized medium in the immediate vicinity of the passing charged particle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00674341
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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