ICRM Gamma and Beta Spectrometry Working Group Meeting Presentations

held in Paris, in the building of the Laboratoire National d’Essais, on February 23-24, 2009

Twenty participants attended this workshop and the meeting went off according to the proposed agenda:

 

Monday February 23rd

  
09:30 Welcome and presentation of the workshop schedule M.-C. Lépy
09:45 Introduction: Accuracy of results of emission probabilities M.-M. Bé
10:00 Questions about efficiency calibration  
  1. Efficiency calibration using experimental approach  
     Example of PTB (Fitting using Spline functions) R. Dersch
     Example of LNHB (Fitting using logarithm polynomial) M.-C. Lépy
10:30 2. Efficiency calibration using Monte Carlo calculation  
     Example of CMI P. Dryak
     Example of Sevilla University S. Hurtado
     Efficiency calibration of an extended-range detector by MC simulation at CIEMAT V. Peyres Medina
     Other presentations about problems of efficiency calibrations  
11:45 3. Discussion about efficiency calibration  
     What minimum uncertainty can be obtained?  
     What about correlations between input data?  
     Calibration in the low-energy range  
14:00 Coincidence summing action - Introduction M.-C. Lépy & L. Ferreux
14:15 Presentation of the methods used for computing the coincidence summing corrections  
     O. Sima (GESPECOR)  
     O. Ott (KORSUM)  
     T. Altzitzoglou  
     A. Svec  
     M.-C. Lépy (ETNA)  
     S. Hurtado  
     P. De Felice  
     A. Ceccatelli  
     S. Klemola  
     P. Kovar  
     T. Vidmar  
     Other participants  
16:00 Presentation of the results of the exercise M.-C. Lépy
16:15 General discussion  
17:30 End of the discussion  
 

Tuesday February 24th

  
09:00 Continuation of the discussion about coincidence summing  
     Following of the action  
     ICRM abstract  
     Content of the ICRM paper  
     Extension to volume sources?  
10:00 Detection limit – Decision threshold: Application of ISO 11929  
     P. De Felice  
     A. Luca  
     L.-E. De Geer  
11:00 Further discussion about detection limits  
13:30 Information or questions from participants (10’ each)  
     L. Pibida (82Sr half-life, digital-analog electronics)  
     J. Saegusa  
     T. Vidmar (AIEA Environment action – Monte Carlo action)  
     L.-E. De Geer (VGSL)  
     A. Luca (Gamma Spectrometry book)  
     P. Cassette (Beta spectrometry)  
14:30 Final uncertainties:  
     Establish a list of the terms to be taken into account  
     Minimum achievable uncertainties  
     Computing absolute emission intensities  
     Computing relative uncertainties (for the evaluators’ practical use)  
15:30 Further discussions  
17:00 Conclusion  

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