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  • 1
    Electronic Resource
    Electronic Resource
    K−-meson production in proton-nucleus collisions (1995)
    Springer
    The European physical journal 351 (1995), S. 333-344 
    Details
    ISSN: 1434-601X
    Keywords: 25.40.Ve ; 25.10.+s ; 25.90.+k
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract K −-meson production in proton-nucleus interactions at projectile energies up to 15 GeV is studied. As a first step the available data onK −-meson production inpp interactions are compared with different parametrizations and results of model calculations. Because of considerable uncertainties in the current descriptions of the energy dependence of the elementaryK − cross section a new parametrization is suggested. Experimental data on K− production in pA collisions are analyzed in the framework of the Rossendorf-Collision and folding models. Satisfactory descriptions of the momentum spectra at forward angles are achieved. From an analysis of theA dependence it can be concluded thatK − mesons are well suited to investigate final-state interactions for particles interacting strongly with the residual nucleus. Furthermore, we propose experimental studies onK − production close to threshold. Such measurements are particularly sensitive to contributions from secondary processes or from multi-nucleon interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290917
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  • 2
    Electronic Resource
    Electronic Resource
    Hadron production in proton-proton interactions at medium energies (1995)
    Springer
    The European physical journal 353 (1995), S. 103-111 
    Details
    ISSN: 1434-601X
    Keywords: 25.40.Ve ; 25.10.+s ; 25.90.+k
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Hadron production in proton-proton interactions is described in the framework of a collision model, which aims at describing simultaneously all reaction channels in a wide energy region. An empirical matrix element based on the present knowledge of the partonic structure of hadrons is combined with the concept of intermediate subsystems and the calculation of modified statistical weights of the various final states. It is demonstrated that the energy dependence of total cross sections between threshold and about 50 GeV incident energy can be satisfactorily reproduced. This is the basis for considering theoretical and experimental problems ofK −, η andη′ production in more detail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297732
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  • 3
    Electronic Resource
    Electronic Resource
    Deuteron fragmentationd+a→p+x at relativistic energies and the role of the target nucleus (1991)
    Springer
    The European physical journal 339 (1991), S. 409-415 
    Details
    ISSN: 1434-601X
    Keywords: 25.45.−z ; 25.10.+s ; 25.90.+k
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The modified phase-space model for the description of inelastic hadronic and nuclear reactions is applied todp, dd, anddC collisions at 9 GeV/c. Inclusive proton spectra are calculated as an incoherent superposition of processes classified by the number of projectile and target nucleons participating in the interaction. The corresponding integrated cross sections are evaluated in the Glauber approximation. For given numbers of participants the probability of observing a definite final channel is assumed to be proportional to the phase-space factor modified by a transition matrix element that is based on statistics, thermodynamics, and the quark picture of hadrons. By using conventional wave functions and taking particle production into account the overall features of the proton spectra at 0
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560644
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  • 4
    Electronic Resource
    Electronic Resource
    Subthreshold production ofK + mesons and the fragmentation of the target nucleus (1992)
    Springer
    The European physical journal 344 (1992), S. 197-204 
    Details
    ISSN: 1434-601X
    Keywords: 25.40.Ve ; 25.10.+s ; 25.90.+k
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The interplay between subthresholdK +-production and the fragmentation of the target nucleus is considered in proton-nucleus interactions at projectile energies between 0.8 and 1 GeV. Inclusive data for the production ofK + mesons and of fragments are well described in the framework of the modified phase space model. For a coincidence measurement betweenK + mesons and fragments the model predicts a decrease of the relative yield of intermediate mass fragments by about four orders of magnitude. This strong decrease is a consequence of energy-momentum conservation, because at subthreshold energies a second endothermic process like multifragmentation can hardly proceed simultaneously with theK + production. AK + meson is, therefore, expected to be accompanied by a heavy target residue, which is so weakly excited that it may evaporate a few nucleons but cannot decay into fragments. Due to the large energy and momentum transfer in this process the strength of the predicted effect is supposed to be sensitive to the details of the reaction dynamics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01291704
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