Abstract
The atomic nucleus41K was studied with emphysis on the experimental derivation of electromagnetic properties and spin values of low-lying levels with energies ≦3,282 keV. Energy levels, decay properties and mean lifetimes were measured with (p, p′ γ) and (p, p′) reactions at incident proton energies of about 6 MeV. Spin values were deduced from a comparison of results obtained from a Hauser-Feshbach analysis of (p, p′) and (p, p′ γ) reactions and measured transition strengths derived from mixing ratios, lifetimes and decay properties. Experimental results are discussed in terms of shell model calculations with a modified effective surface delta interaction.
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This work formed part of the Ph.D. thesis of J.A. Stander
The authors wish to express their gratitude to their colleagues at the Physics Department for help with the experimental work, to the personnel at the National Accelerator Centre for their able assistance and to the South African CSIR for financial support.