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  • Backcross lines  (1)
  • PACS: 21.45.+v Few-body systems – 25.30.Bf Elastic electron scattering – 27.10.+h A ≤ 5 – 13.40.Gp Electromagnetic form factors  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Phenomenology of the deuteron electromagnetic form factors (2000)
    Springer
    The European physical journal 7 (2000), S. 421-427 
    Details
    ISSN: 1434-601X
    Keywords: PACS: 21.45.+v Few-body systems – 25.30.Bf Elastic electron scattering – 27.10.+h A ≤ 5 – 13.40.Gp Electromagnetic form factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: A rigorous extraction of the deuteron charge form factors from tensor polarization data in elastic electron-deuteron scattering, at given values of the 4-momentum transfer, is presented. Then the world data for elastic electron-deuteron scattering is used to parameterize, in three different ways, the three electromagnetic form factors of the deuteron in the 4-momentum transfer range 0-7 fm−1. This procedure is made possible with the advent of recent polarization measurements. The parameterizations allow a phenomenological characterization of the deuteron electromagnetic structure. They can be used to remove ambiguities in the form factors extraction from future polarization data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00013629
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of combining scald resistance genes on disease levels, yield and quality traits in barley (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 361-366 
    Details
    ISSN: 1432-2242
    Keywords: Pyramiding ; Hordeum vulgare ssp ; spontaneum ; Rhynchosporium secalis ; Backcross lines ; Isozyme marker genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pairwise combinations of genes for resistance to scald in barley were developed using linked isozyme markers to test whether such combinations conferred improved resistance to the pathogen, Rhynchosporium secalis. The resistance genes originally derived from Hordeum vulgare ssp. spontaneum. The combinations were bred into an essentially similar genetic background because the scald-susceptible, Australian barley cultivar ‘Clipper’ was the recurrent backcross parent in their ancestry. In field tests of the recombinants over 2 years, disease levels were lower in three of six doubly resistant lines than in backcross lines carrying a single resistance gene, which in turn were less diseased than either ‘Clipper’ or recombinants that lacked the marked resistance genes. All resistant lines significantly outyielded ‘Clipper’ but did not themselves differ significantly. Lines resistant to scald had significantly higher grain size and grain weight. Gains for malt yield of about 1 % were detected in the higher disease environment. Resistance was not accompanied by any obvious “cost” in terms of yield or quality. Protection against scald is therefore a significant requirement for new malting barley cultivars in scald-prone areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00223177
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    Paper (German National Licenses)
    Fulltext
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