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  • SPACE RADIATION  (2)
  • 25. 20.−x  (1)
  • anomalons  (1)
  • 1
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    Search for anomalons using plastic nuclear track detectors (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A stack of CR39 track detectors containing Ag foils was exposed to 1.7 GeV/nucleon Fe-56 beam and the anomalous mean free path effect investigated. Neither the whole set of 7517 nor a subset of 2542 interacting fragments produced probably in the Ag target show an effect. By combining the data of this and an earlier experiment we can also exclude an effect for 3219 interacting fragments produced in delta Z=1 collisions.
    Keywords: SPACE RADIATION
    Type: HE-6.2-12 , 19th Intern. Cosmic Ray Conf - Vol. 8; p 294-297; NASA-CP-2376-VOL-8
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Cross sections for the production of fragments with Z greater than or equal to 8 by fragmentation of Z greater than or equal to 9 and less than or equal to 26 nuclei (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Charge changing nuclear collisions in plastic nuclear track detectors were studied using a new experimental technique of automatic track measurement for etched tracks in plastic detectors. Partial cross sections for the production of fragments of charge Z approximately 8 were measured for projectile nuclei of charge 9 approximately Z approximately 26 in the detector material CR39 and in silver. for this purpose three independent experiments were performed using Bevalac beams. The first one was an exposure of a stack of CR39 plastic plates to 1.8 GeV/nucl. Ar-40 nuclei. The second one was an exposure of another CR39 stack of 1.7 GeV/nucl. Fe-56 projectiles. In the third experiment a mixed stack of CR39 plates and silver foils was irradiated with 1.7 GeV/nucl. Fe-56 nuclei. Thus the measurement of nuclear cross sections in a light target (CR39 = C12H18O7) and as well in a heavy target (silver) was possible.
    Keywords: SPACE RADIATION
    Type: OG-7.2-22 , 19th Intern. Cosmic Ray Conf - Vol. 3; p 99-102; NASA-CP-2376-VOL-3
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
    Electronic Resource
    Electronic Resource
    Search for anomalons using plastic nuclear track detectors
    Amsterdam : Elsevier
    International Journal of Radiation Applications & Instrumentation. Part D, 12 (1986), S. 327-330 
    Details
    ISSN: 1359-0189
    Keywords: CR39 ; anomalons ; automatic measuring system
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/1359-0189(86)90600-X
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Fragmentation cross sections of16O at 60 and 200 GeV/nucleon (1988)
    Springer
    The European physical journal 330 (1988), S. 407-416 
    Details
    ISSN: 1434-601X
    Keywords: 25. 70. Np ; 25. 20.−x
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We used CR39 plastic nuclear track detectors (C12H18O7) in combination with automatic track measurement to determine total charge changing and partial cross sections for the production of fragments of chargeZ=6 andZ=7 in collisions of16O beam nuclei at energies of 60 GeV/nucleon and 200 GeV/nucleon in targets H, C, CR39, CH2, Al, Cu, Ag and Pb. Total charge changing cross sections due to the process of electromagnetic dissociation are calculated based on a theoretical model and found to be consistent with total and partial electromagnetic dissociation cross sections derived from this experiment. The energy dependence of pure nuclear fragmentation is investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290126
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    Paper (German National Licenses)
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