Communications in Physics, Vol 14, No 2 (2004)

Study on Positron Annihilation Rate in Water

Tran Dai Nghiep

Abstract


Measurement system for determination of positron annihilation rate is consisted of HPGe detector, multichannel analyser and Na$^{22}$ positron source. The result of annihilation rate measurement in wetted filter paper is treated. The formula of energy transfer model is used for explanation obtained data quantitatively.

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