Trim excess tape to minimize impurities. K shell. L shell. e- ~10 -18 s. g -ray. New precise a K measurement as a part of a test of internal conversion theory 166 keV transition in 139 La. Hole. x-ray. e- ~10 -17 s. Source A. Lanthanum K x-ray region. spectrum 1.
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New precise aK measurement as a part of a test of internal conversion theory166 keV transition in 139La
Lanthanum K x-ray region
spectrum 9, scaled
Adhesive Mylar tape, 3.81 mm
Ba++(aq) + 2NO3-(aq)
Mylar tape, 12.7 mm
Source ready to be irradiated
Internal Conversion, Overview
139La Decay Scheme
C.M. Balonek, University at Buffalo
J.C. Hardy, N. Nica, Texas A&M University Cyclotron Institute
K X-Ray Analysis
Source Preparation and Irradiation
Source A, spectrum 1 (47 min)
*E. Schönfeld, H. Jaben, NIM A 369 (1996) 527.
A sincere thank you to Dr. John C. Hardy and Dr. Ninel Nica for their endless advisement throughout this project