Accession Number : AD0665666

Title :   RADIOACTIVITY GROWTH-DECAY DATA: ANALYSIS BY APPLICATION OF THE LEAST-SQAURES METHOD,

Corporate Author : NAVAL RADIOLOGICAL DEFENSE LAB SAN FRANCISCO CALIF

Personal Author(s) : Yamamoto,Sachio ; Brown,Mark

Report Date : 27 OCT 1967

Pagination or Media Count : 46

Abstract : The method of least sqaures has been applied to the analysis of growth-decay counting data and time-dependent gamma-ray pulse-height spectral data obtained from mixtures of genetically related nuclides. From the counting data, estimates can be obtained of the parent activity at the time of start of product growth and of the relative detection efficiencies (i.e., the total detection efficiency of one nuclide relative to that of another). From the gamma-ray spectral data, estimates can be obtained of the spectrum of each nuclide in the decay chain.

Descriptors :   (*GAMMA RAY SPECTROSCOPY, RADIOACTIVE DECAY), (*DECAY SCHEMES, MATHEMATICAL PREDICTION), PULSE HEIGHT ANALYZERS, RADIOACTIVE ISOTOPES, RADIOCHEMISTRY, LEAST SQUARES METHOD, CURVE FITTING, PROBABILITY

Subject Categories : Radiation and Nuclear Chemistry
      Radioactiv, Radioactive Wastes & Fission Prod

Distribution Statement : APPROVED FOR PUBLIC RELEASE