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- Malmqvist, K. G., et al.
(author)
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PIXE and proton microprobe advances at the Lund Institute of Technology
- 1989
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In: Nuclear Inst. and Methods in Physics Research, B. - 0168-583X. ; 40-41:PART 1, s. 685-689
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Journal article (peer-reviewed)abstract
- A review of recent advances in high-energy ion beam analysis at the Lund Institute of Technology is presented. A nonvacuum specimen chamber allows chemical speciation using a combination of ion beam analysis and controlled heating. The development of a new versatile scanning proton microbeam based on a new dedicated accelerator, an achromatic triplet lens and an advanced specimen chamber is outlined together with the performance of a microVAX-II/VMEbus-based data acquisition system.
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- Starrin, B., et al.
(author)
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Att vara arbetslös kvinna
- 1985
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In: Tillsammans blir vi starka. - Stockholm : Prisma. - 915181837X ; , s. 73-98
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Book chapter (other academic/artistic)
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- Bjornstad, T., et al.
(author)
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Study of the Giant Gamow-Teller Resonance in Nuclear Beta-Decay - the Case of Ar-32
- 1985
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In: Nuclear Physics A. - : Elsevier BV. - 0375-9474. ; 443:2, s. 283-301
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Journal article (peer-reviewed)abstract
- Delayed proton and gamma emissions following the β-decay of 32Ar have been studied. The half-life of 32Ar is 98 ± 2 ms, and the T = 2 analogue state in 32Cl lies at the excitation energy 5036 ± 12 keV. From the intensity of the feeding to this state the proton intensities can be converted to an absolute scale leading to a total proton branching ratio of (43 ± 3)%. From proton-gamma coincidence measurements it emerges that (1.9 ± 0.2)% of the protons lead to the first-excited state in 31S. A level scheme up to 8.75 MeV excitation in 32Cl has been constructed and the Gamow-Teller strength function has been deduced. The result is a renormalization of the axial-vector strength to (49 ± 5)% of the free-nucleon value.
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