Publications by authors named "P Saganowski"

A method for absolute measurements of the Ac activity in equilibrium with its progeny was developed. Measurements were performed using the triple-to-double coincidence ratio (TDCR) method in two different TDCR counters. The activity concentration of an Ac solution was determined and the solution was sent to the SIR system for a comparison.

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The Bureau International des Poids et Mesures (BIPM) is developing a new transfer instrument to extend its centralized services for assessing the international equivalence of radioactive standards to new radionuclides. A liquid scintillation counter using the triple/double coincidence ratio method is being studied and tested in the CCRI(II)-P1.Co-60 pilot study.

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The activity of the Lu solution has been measured by means of the CIEMAT/NIST efficiency tracing method. This result has been compared to the previous obtained results received from 4πβ(LS)-γ coincidence and anticoincidence counting. The activities determined with various methods have been found to be consistent.

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The L6 chondritic meteorite, HaH-346, fell in Libya. However, neither the exact date of the fall nor the exact size of the original meteoroid or asteroid is known. A specimen of the meteorite, weighing 488 g, was measured using ultra low-background gamma-ray spectrometry in the 225 m deep underground facility HADES.

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Article Synopsis
  • An internal consistency test was conducted to evaluate the calculation of coincidence-summing correction factors F for volume sources, using exact equations from three ideal measurement configurations.
  • The test was performed on 33 sets of F values submitted by 21 different teams, with most sets passing the evaluation.
  • However, the results from the quasi-point source approximation did not pass, revealing a qualitative indication of bias in the calculated values of F.
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