Monte Carlo simulation of plutonium gamma-ray standards

Wang, T.F.; Carlson, J.B.; Koenig, Z.M.; Ruhter, W.D.; Lee, T.S.H.; Winn, Joshua N.

doi:10.1016/0168-9002(94)91749-3

Cited by 4 publications

(1 citation statement)

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“…It was also used for detectors calibration, either directly or through combination with experimental measurements [7,8]. Relative efficiency curves determination [19] and simulation of energy spectra [20] were also performed. General MC codes such as MCNP, GEANT and EGS4, are being extensively tested for such calculations [21].…”

Section: Introductionmentioning

confidence: 99%

Verification of 235u, 238u by Mathematical Calibration Curve for Point Sources by Using Monte Carlo

Makhlouf

2014

Al-Azhar Bulletin of Science

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The calibration of γ-ray spectrometer was performed by means of a set of certified standard point sources of energies that cover the energy range of interest. The value of the absolute full energy peak efficiency "εab " could be found by measuring "CR" experimentally and the use of the known value of " A ". Also, it is possible to calculate "εab" for a certain source to detector distances (D) by using Monte Carlo [MC] simulation method. The obtained results indicated that the fitting is identical to the experimental curve and MCNP calculations, that is both these two methods (experimental and MCNP) can be used to extend the curve to cover the high energy range. It is possible to drop any line energy inside the used energy range to estimate the absolute full energy peak efficiency, (for example, the energies 185.7, 1001 and 1275 keV corresponding to the sources 235U, 238U and 22Na). However, it can be estimated by using any method from the previous methods (experimental or MCNP in addition to the fitting equation).

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