C.J. Umbarger

Elemental analysis of whole blood using proton-induced x-ray emission

R.C. Bearse, D.A. Close, J.J. Malanify et al. · Analytical Chemistry · 1974 · 57 citations

X-ray Spectroscopy, Engineering, Altmetric Attention Score +21

Isotopic carbon analysis using low energy protons

D.A. Close, J.J. Malanify, C.J. Umbarger · Nuclear Instruments and Methods · 1973 · 26 citations

Low Energy Protons, High-energy Nuclear Reaction, Nuclear Physics +5

Sensitivity and Detectability Limits for Elemental Analysis by Proton-Induced X-Ray Fluorescence with A 3 Mv Van De Graaff

C.J. Umbarger, R.C. Bearse, D.A. Close et al. · Advances in X-ray Analysis · 1972 · 20 citations

Detectability Limits, X-ray Spectroscopy, Nuclear Physics +27

Use of a Cadmium Telluride Detector in a New Tiny Personal Radiation Chirper

M. A. Wolf, C.J. Umbarger, G. Entine · IEEE Transactions on Nuclear Science · 1979 · 14 citations · Full text

Cadmium Telluride Detector, Electrical Engineering, Engineering +15

Gamma decay of the first two {ce:inline-formula}T = 3/2{/ce:inline-formula} states of 15 N

H.M. Kuan, C.J. Umbarger, D.G. Shirk · Nuclear Physics A · 1971 · 12 citations

Double Beta Decay, Nuclear Physics, Physics +5