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Published on: May 3, 2019
Study of the continuous internal bremsstrahlung spectrum from (204)Tl by using singular value decomposition
1Arts & Science Faculty, Physics Department, Mus Alparslan University, Mus 49100, Turkey.
Internal bremsstrahlung (IB) from thallium-204 beta decay was measured. The results largely agree with KUB theory up to 600 keV, with deviations at higher energies.
Area of Science:
- Nuclear Physics
- Atomic and Molecular Physics
Background:
- Internal bremsstrahlung (IB) is a radiation emitted during nuclear beta decay.
- Understanding IB spectra provides insights into nuclear structure and decay processes.
Purpose of the Study:
- To measure the internal bremsstrahlung (IB) spectrum accompanying the beta-minus decay of thallium-204.
- To compare experimental results with the KUB theory predictions.
Main Methods:
- Utilized a 5.08x5.08 cm(2) NaI(Tl) detector with a magnetic deflection system.
- Applied Singular Value Decomposition (SVD) for spectrum unfolding.
- Measured photon energies in the range of 10-760 keV.
Main Results:
- The unfolded IB spectrum of thallium-204 was obtained.
- Good agreement was observed between the measured spectrum and KUB theory for energies between 100-600 keV.
- Positive deviations from KUB theory were noted for energies above 600 keV.
Conclusions:
- The experimental measurement validates KUB theory for IB in the lower energy range.
- Discrepancies at higher energies suggest potential areas for theoretical refinement or new physics.
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