Publications by authors named "Octavian Sima"

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Pb-210 in volume samples: self-attenuation and scattering problems.
Octavian Sima, Daniela Gurau

Appl Radiat Isot· December 2025

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Uncertainty and covariance matrix of the coincidence-summing correction factors due to decay-data uncertainties.
Octavian Sima

Appl Radiat Isot· December 2023

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On homogeneity approximation in calibration of gamma-spectrometry assessment of bulk samples.
Octavian Sima

Appl Radiat Isot· April 2018

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Efficiency computation for gamma-ray spectrometry assessment of samples with intrinsic inhomogeneity.
Octavian Sima

Appl Radiat Isot· August 2017

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Monte Carlo simulation of air sampling methods for the measurement of radon decay products.
Octavian Sima, Aurelian Luca, Maria Sahagia

Appl Radiat Isot· August 2017

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Application of GUM Supplement 1 to uncertainty of Monte Carlo computed efficiency in gamma-ray spectrometry.
Octavian Sima, Marie-Christine Lépy

Appl Radiat Isot· March 2016

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Improved method for the assessment of ⁶⁰Co and ¹³⁴Cs point sources in samples with non-homogeneous matrix.
Rares Suvaila, Octavian Sima, Iolanda Osvath

Appl Radiat Isot· May 2014

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Distribution of the ²²²Rn decay products from a ²²⁶Ra solution in a PTB ampoule--implications for calibration.
Oliver Ott, Octavian Sima, Qi Zhao

Appl Radiat Isot· May 2014

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Calibration of a low-level anti-Compton underground gamma-spectrometer by experiment and Monte Carlo.
Octavian Sima, Iolanda Osvath

Appl Radiat Isot· November 2013

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Improving the assessment of activity in samples with non-uniform distribution using the sum peak count rate.
Rares Suvaila, Iolanda Osvath, Octavian Sima

Appl Radiat Isot· November 2013

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Monte Carlo simulation by GEANT 4 and GESPECOR of in situ gamma-ray spectrometry measurements.
Alecsandru Chirosca, Rares Suvaila, Octavian Sima

Appl Radiat Isot· November 2013

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Precise measurement and calculation of coincidence summing corrections for point and linear sources.
Octavian Sima, Dirk Arnold

Appl Radiat Isot· September 2012

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On within sample homogeneity testing using gamma-ray spectrometry.
Rares Suvaila, Elena Stancu, Octavian Sima

Appl Radiat Isot· September 2012

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The examination of source distribution in a large sample by Monte Carlo simulation.
Daniela Gurau, Octavian Sima

Appl Radiat Isot· September 2012

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Photon emission probabilities of 176Lu.
Oliver Ott, Karsten Kossert, Octavian Sima

Appl Radiat Isot· September 2012

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Simulation studies of the response function of a radioactive waste assay system.
Daniela Gurau, Octavian Sima

Appl Radiat Isot· January 2012

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Application of response functions to make efficient Monte Carlo simulations of germanium detectors.
Octavian Sima

Appl Radiat Isot· August 2010

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ETNA software used for efficiency transfer from a point source to other geometries.
Daniela Radu, Doru Stanga, Octavian Sima

Appl Radiat Isot· September 2009

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Comprehensive software for the assessment of 222Rn and 220Rn decay products based on air sampling measurements.
Octavian Sima

Appl Radiat Isot· May 2009

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On the Monte Carlo simulation of HPGe gamma-spectrometry systems.
Octavian Sima, Dirk Arnold

Appl Radiat Isot· May 2009

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A tool for processing decay scheme data that encompasses coincidence summing calculations.
Octavian Sima, Dirk Arnold

Appl Radiat Isot· August 2008

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Calculation of coincidence summing corrections for X-ray peaks and for sum peaks with X-ray contributions.
Dirk Arnold, Octavian Sima

Appl Radiat Isot· November 2006

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E
Extension of the efficiency calibration of germanium detectors using the GESPECOR software.
Dirk Arnold, Octavian Sima

Appl Radiat Isot· August 2004

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Application of GESPECOR software for the calculation of coincidence summing effects in special cases.
Dirk Arnold, Octavian Sima

Appl Radiat Isot· May 2004

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Deep underground gamma spectrometric measurement of 26Al in meteorite samples.
Dirk Arnold, Stefan Neumaier, Octavian Sima

Appl Radiat Isot· April 2002

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