Precise measurement of the emission probability of the 543 keV gamma ray of 199Pt.
199Pt has been produced by neutron irradiation of enriched 198Pt (95.71%) metal powder, and precise measurements have been made of the gamma-ray emission probabilities by means of 4pibeta-gamma coincidence apparatus and a live-timed two-dimensional data-acquisition system. Daughter 199Au decays with a half-life of 3.139 d, and therefore the measured disintegration rate had to be corrected. The absolute emission probability of the 543.0 keV gamma ray was determined to be 0.1174+/-0.0007 from the gamma-ray intensity and the corrected disintegration rate.
Department of Radiological Technology, School of Health Sciences, Nagoya University, 1-1-20, Daikominami, Higashi-ku, Nagoya 461-8673, Japan. miyahara@met.nagoya-u.ac.jp
Hiroshi
H
Miyahara
Yoshimune
Y
Ogata
Naoomi
N
Ishikawa
Keiji
K
Katoh
Nada
N
Marnada
D005720:Gamma Rays; D006207:Half-Life; D008956:Models, Chemical; D015233:Models, Statistical; D010984:Platinum / Q000032:analysis* / Q000737:chemistry*; D011786:Quality Control; D011868:Radioisotopes / Q000032:analysis* / Q000737:chemistry*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013051:Spectrometry, Gamma / Q000379:methods* / Q000592:standards
D011868:Radioisotopes; D010984:Platinum