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Radiochemical Separations in Connection with Nuclear Reactions; RADIOCHEMISCHE TRENNUNGEN IM ZUSAMMENHANG MIT KERNREAKTIONEN

Thesis/Dissertation ·
OSTI ID:4133914

In relation with investigations of photon-induced particle emission with a 32-Mev betatron. as well as with measurements of angular correlations and beta -spectrometric analysis radiochemical separation methods were developed for the following elements: Zn/Cu, Sb/Sn, Mo/Nb, Ta/Lu, Tl/Au, Ta/W, Pb/Bi, Fe/Mn, Cu/Co, and Re/Ta. It was proved that carrier-free methods and methods having a minimum carrier give the best results. The yield of each separation was plotted as a function of the carrier quantity to discover the best one. The cross-section- photon-energy relation was investigated for the reactions- Zn/sup 68/( gamma ,p)Cu/sup 67/ Zn/sup 66/( gamma ,pn)Cu/sup 64/, Tl/sup 205/( gamma , alpha )Au/ sup 201/, and Tl/sup 205/( gamma ,n alpha )Au /sup 200/. The integrated cross sections were determined for: Zn/sup 68/( gamma ,p)Cu/sup 67/ Zn/sup 66/( gamma ,pn)Cu/sup 64/ Mo/sup 92/( gamma ,pn)Nb/sup 90/ Sb/sup 121/Ta/sup 181/( gamma , alpha )Lu/sup 177/, Tl/sup 205/( gamma , alpha )Au/sup 201/, and Tl/sup 205/ (gamma,n alpha)Au/sup 200/. In contrast to earlier literature data, the reactions Zn/sup 68/( gamma ,p)Cu/sup 67/ and Zn/sup 66/( gamma ,pn)Cu/sup 64/ did not show extremely large cross sections. (auth)

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-15-001454
OSTI ID:
4133914
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ALPHA PARTICLES
ANTIMONY
ANTIMONY ISOTOPES
BETA SPECTROMETERS
BETATRONS
BISMUTH
CHEMISTRY
COBALT
COPPER
COPPER ISOTOPES
CROSS SECTIONS
EFFICIENCY
GAMMA RADIATION
GOLD
GOLD ISOTOPES
IRON
LEAD
LUTETIUM
LUTETIUM ISOTOPES
MANGANESE
MOLYBDENUM
MOLYBDENUM ISOTOPES
NEUTRONS
NIOBIUM
NIOBIUM ISOTOPES
NUCLEAR REACTIONS
PROTONS
RADIOCHEMISTRY
RHENIUM
SEPARATION PROCESSES
TANTALUM
TANTALUM ISOTOPES
THALLIUM
THALLIUM ISOTOPES
TIN
TIN ISOTOPES
TUNGSTEN
ZINC
ZINC 66
ZINC ISOTOPES