ICRM Gamma Spectrometry Working Group True summing ... - LNHB

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Example of positron spectra in Eu- Sm decay with Ebmax=730 keV 0,035 0,030 0,025 0,020 0,015 0,010 0,005 0,000 EuSm poz 730 keV 0 0,2 0,4 0,6 0,8 MeV
Uncertainties Uncertainties type A of coincidence probabilities from Monte Carlo method are less than 0.0005 (k=1). They are lesser than uncertainties of photon intensities, conversion coefficients, branching ratios and other parameters coming into calculation. Uncertainties type B of Kgamma result from equations presented in the table 6 incorrectness. Parallelism or directness of weak cascades with intensity less than 0.1% in Eu decay was omitted and all of them were suggested as direct. Equations for Cs-134 are exact. Equations for Kdec and Ksumin are exact. Estimation: Uncertainties of correction factors presented in the tables 7 and 8 are on a level of uncertainties of main gamma photons and branching decay ratios.
Page 1 and 2: ICRM Gamma Spectrometry Working Gro
Page 3 and 4: Coincidence probabilities computati
Page 5 and 6: Equations for K dec K dec for beta
Page 7 and 8: D = pGK α*TK α*(1-pLkask*TL)+pGK
Page 9 and 10: Equations for γ photons with energ
Page 11 and 12: Equations for K sumin Summing-in ef
Page 13 and 14: Total and peak efficiencies Correct
Page 15 and 16: Some low energy experimental points
Page 17 and 18: List of K gamma equations . There w
Page 19 and 20: EuGd 344,28 (1-D(271)-D(411)-D(586)
Page 21 and 22: Are equations for K gamma correct?
Page 23 and 24: Cs-134 E0 adding realistic multiply
Page 25 and 26: EuSm E0 adding realistic multiplyin
Page 27: Other results Total efficiencies fo

ICRM Gamma Spectrometry Working Group True summing ... - LNHB

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