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  • Copepoda  (2)
  • 12.20.Fv  (1)
  • Springer  (3)
  • Nature Publishing Group
  • American Meteorological Society (AMS)
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Keywords
Publisher
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  • 1
    Electronic Resource
    Electronic Resource
    Bhabha to Møller cross section ratios in the energy range 2.15–2.45 MeV (1993)
    Springer
    The European physical journal 345 (1993), S. 79-88 
    Details
    ISSN: 1434-601X
    Keywords: 12.20.Fv ; 13.10.+q ; 14.80.Pb
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The cross sections for Bhabha and Møller scattering have been investigated in the energy range 2.1–2.4 MeV using monoenergetic positrons and electrons to search for hypothetical resonances superimposed to the continuum predicted by quantum electro dynamics. Bhabba-to-Mott, Møller-to-Mott and Møller-to-Bhabha cross section ratios were measured. The Bhabha-to-Mott ratios could be determined with statistical errors of typically 1% and remaining systematic errors not exceeding the statistical ones. No resonances in Bhabha scattering were observed. Limits for the intrinsic widths of hypothetical resonances are given. For the first time upper limits are deduced from our data for hypothetical resonances in the Møller scattering cross section in the MeV range. Additionally, Møller-to-Bhabha cross section ratios could be determined with good precision. A good agreement between the experimental and theoretical Møller-to-Bhabha ratios can be stated calling in question the recently predicted existence of series of narrow, unresolvable resonances in the Bhabha scattering cross section.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290343
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Copepoda Poecilostomatoida associated with Bivalvia from New Guinea (1995)
    Springer
    Hydrobiologia 312 (1995), S. 37-45 
    Details
    ISSN: 1573-5117
    Keywords: Copepoda ; Bivalvia ; New Guinea ; Pseudanthessius ; Lichomolgus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Four species of Copepoda Poecilostomatoida are recorded from the mantle cavity of bivalve molluscs collected in West New Guinea (Irian Barat, Indonesia). Two of these are new to science: Pseudanthessius dimorphus and Lichomolgus hoi n. spp.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00018885
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Copepods associated with reef corals: a comparison between the Atlantic and the Pacific (1988)
    Springer
    Hydrobiologia 167-168 (1988), S. 545-547 
    Details
    ISSN: 1573-5117
    Keywords: Copepoda ; endoassociates ; corals ; biogeography ; tropical Atlantic ; Pacific
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Endoparasitic copepods are very numerous in Indo-West Pacific corals. In West Indian corals they were thought to be absent, but recent studies have shown that a varied endoparasitic copepod fauna exists as well. Striking is the taxonomic composition of the coral-inhabiting copepods: In the Indo-West Pacific Lichomolgidae and Xarifiidae are the dominant families, both are absent in the West Indies. On the other hand, Corallovexiidae and Asterocheridae dominate in the West Indies; the former family is absent and the latter is apparently rare and not very diversified in the Indo-West Pacific.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00026350
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