title: Determination of 51Cr and 241Am X-ray and gamma-ray emission probabilities per decay.
abstract: In this paper results of X-ray and gamma-ray emission probabilities per decay of (51)Cr and (241)Am are presented. The measurements were carried out by means of HPGe planar and REGe spectrometers. The activity of (51)Cr and (241)Am samples was determined in a 4pibeta-gamma coincidence counting system. The HPGe spectrometers were calibrated in a well defined geometry by means of (54)Mn, (55)Fe, (57)Co, (133)Ba, (152)Eu, (166m)Ho and (241)Am sources, previously standardized in a 4pibeta-gamma coincidence system. The MCNP Monte Carlo code was used for simulation of the REGe spectrometer calibration curve, for the selected geometry, and compared with the experimental curve. The experimental results were compared with data from literature.
authors.affiliation: Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP), Centro do Reator de Pesquisas, CRPq, Pinheiros, São Paulo, SP, Brazil. dsimoesm@uol.com.br
authors.forename: Denise S
authors.initials: DS
authors.lastname: Moreira
authors.forename: Marina F
authors.initials: MF
authors.lastname: Koskinas
authors.forename: Ione M
authors.initials: IM
authors.lastname: Yamazaki
authors.forename: Mauro S
authors.initials: MS
authors.lastname: Dias
mesh_terms: D000576:Americium / Q000032:analysis* / Q000737:chemistry; D002860:Chromium Radioisotopes / Q000032:analysis* / Q000737:chemistry; D003627:Data Interpretation, Statistical; D005720:Gamma Rays; D006207:Half-Life; D011829:Radiation Dosage; D011874:Radiometry / Q000379:methods*; D013051:Spectrometry, Gamma / Q000379:methods*; D014965:X-Rays
chemical_list: D002860:Chromium Radioisotopes; D000576:Americium