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  • 1
    ISSN: 1434-601X
    Keywords: PACS. 25.60.Gc Breakup and momentum distributions – 27.20.+n Properties of specific nuclei 6≤A≤19
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: One-neutron removal cross-sections ( ) of 17, 19C in various targets at about 900 MeV/nucleon, and one-proton removal cross-sections ( ) of 8, 10B at about 1400 MeV/nucleon were measured using the fragment separator FRS at GSI. A significant increase of for 19C compared to its neighbors was observed. The same behavior was found for for the neutron-deficient nucleus 8B compared to the stable isotope 10B. These results support a one-neutron halo structure in 19C and a one-proton halo in 8B.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1572-9540
    Keywords: radioactive beams ; RIB-facilities ; charge breeding ; accelerators ; ion sources
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Radioactive Beam Experiment REX-ISOLDE [1–3] is a pilot experiment at ISOLDE (CERN) testing the new concept of post acceleration of radioactive ion beams by using charge breeding of the ions in a high charge state ion source and the efficient acceleration of the highly charged ions in a short LINAC using modern ion accelerator structures. In order to prepare the ions for the experiments singly charged radioactive ions from the on-line mass separator ISOLDE will be cooled and bunched in a Penning trap, charge bred in an electron beam ion source (EBIS) and finally accelerated in the LINAC. The LINAC consists of a radiofrequency quadrupole (RFQ) accelerator, which accelerates the ions up to 0.3 MeV/u, an interdigital H-type (IH) structure with a final energy between 1.1 and 1.2 MeV/u and three seven gap resonators, which allow the variation of the final energy. With an energy of the radioactive beams between 0.8 MeV/u and 2.2 MeV/u a wide range of experiments in the field of nuclear spectroscopy, astrophysics and solid state physics will be addressed by REX-ISOLDE.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Holz als Roh- und Werkstoff 58 (2000), S. 331-337 
    ISSN: 1436-736X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: 3 . Labortests an Kleinproben in unsteriler Erde ergaben, daß der Abbau schon bei einem Acetylgehalt von 15,1% deutlich verringert ist. Ein Gehalt von 18,5% verhindert weitgehend den Angriff von Braun, Weiß- und Rotfäulepilzen. Ein Acetylgehalt von 20,9% ist erforderlich, um das Eindringen von Tunnel-Bakterien auszuschließen. Acetyliertes Holz wurde auch in Meerwasser an der schwedischen Westküste gegen den Angriff von Bohrmuscheln nach EN 275 geprüft. Der Angriff ist zwar mit steigendem Acetylgehalt verringert; dennoch verleiht die Acetylierung nur einen geringen Schutz gegen Bohrmuscheln.
    Notes: 3 ). Exposure of acetylated mini stakes to three different unsterile soils in the laboratory showed that decay was significantly reduced at acetyl contents of 15.1%. An acetyl content of 18.5% prevented most attack by brown, white and soft rot fungi. Acetyl levels above 20.9% were required to eliminate attack by tunneling bacteria. Acetylated wood samples were also tested in seawater on the Swedish West Coast for their resistance to marine borers (EN 275). Results show that the acetylation of wood gives only minor protection against marine borers, although the degree of attack is lowered with increased acetyl content.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Hyperfine interactions 129 (2000), S. 67-81 
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Nuclear halo states are studied experimentally with a wide range of techniques. We review the results coming from ISOLDE, emphasizing the β-decay experiments. Some general comments on the role of β-decays for halo research are given. We outline the possibilities for low-energy reaction experiments arising from REX-ISOLDE.
    Type of Medium: Electronic Resource
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