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  • 1
    ISSN: 1434-601X
    Keywords: 13.75.Cs ; 11.80.Et
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The antiproton-proton annihilation cross-section has been mesasured for antiproton beam momenta between 180 and 600 MeV/c. The annihilation cross-section is found to be larger than the geometrical limit of thes-wave inelastic cross-section in this momentum range, indicating a significantp-wave contribution even at low momenta.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Double differential cross sectionsd 2 σ/dΩdE were measured for high energetic electrons emitted in heavy ion collisions. Electrons were detected in the energy range of 60 keV-500 keV for various target projectile combinations 66≦Z u =Z t +Z p ≦145 and projectile velocities between 7 % and 10 % of the speed of light. Clear evidence was found that these electrons stem from the united atom formed during the collision. Slope and height of the spectra are discussed with respect to the momentum distribution of strongly bound states (i.e. theL-shell) at momenta far above the mean value. In addition for the systems S, Ni, Br→Pb electrons were detected in coincidence withK x-rays of Pb. By this method the contribution of theK-shell of the combined system to the total spectrum could be separated. Binding energies of theK-shell were estimated by a slope comparison between the coincident and single spectrum. The resulting values are close to the united atom limit.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 17 (1986), S. 135-147 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Ultrasonic Examination of High Performance Polymer CompositesA report is given about the ultrasonic examination of high performance polymer composites with the computer aided test system ABAKUS. Details of the hardware and software are described. It is stated that the test frequency is one of the important parameters. When using the through transmission technique under water, a high sensitivity is obtainable by masking the receiving probe. In addition the interpretation of the results becomes easier by image treatment with the software module GMANI. The goal is a fully automated evaluation.
    Notes: Es wird die rechnergestützte Ultraschallprüfung von Hochleistungsverbundwerkstoffen mit dem Prüfsystem ABAKUS beschrieben. Die Auswahl der richtigen Prüffrequenz wird als wichtiges Kriterium herausgearbeitet. Durch eine Blende vor dem Empfängerprüfkopf kann bei der Durchschallungstechnik unter Wasser eine hohe Prüfempfindlichkeit erreicht werden. Eine weitere Verbesserung wird durch die Signalaufbereitung mit der Software GMANI erreicht. Ziel ist eine automatisierte Bewertung.
    Additional Material: 25 Ill.
    Type of Medium: Electronic Resource
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