SELECTION OF THE MEASURING TIME IN THE ABSOLUTE COUNTING OF RADIOACTIVITY

Feng Xi-zhang; Zhao Zhen-lan; Tang Nai-xun

Chinese Physics C> 1980, Vol. 4> Issue(6) : 771-773

SELECTION OF THE MEASURING TIME IN THE ABSOLUTE COUNTING OF RADIOACTIVITY

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Abstract：
The present paper pionted out that in the measurement of the number of atomsof a radioactive isotope in a sample at time t₀, the error introduced through the in-accuracy of its decay constant (λ) can be reduced to a much smaller value by thecareful selection of the time of measurement or measurements of its radioactivity ataround one life time (1/λ) after t₀ and doing the calculation.
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Feng Xi-zhang, Zhao Zhen-lan and Tang Nai-xun. SELECTION OF THE MEASURING TIME IN THE ABSOLUTE COUNTING OF RADIOACTIVITY[J]. Chinese Physics C, 1980, 4(6): 771-773.

Feng Xi-zhang, Zhao Zhen-lan and Tang Nai-xun. SELECTION OF THE MEASURING TIME IN THE ABSOLUTE COUNTING OF RADIOACTIVITY[J]. Chinese Physics C, 1980, 4(6): 771-773. shu

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Received: 1980-02-25
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

SELECTION OF THE MEASURING TIME IN THE ABSOLUTE COUNTING OF RADIOACTIVITY

Received Date: 1980-02-25
Accepted Date: 1900-01-01
Available Online: 1980-12-05

Abstract: The present paper pionted out that in the measurement of the number of atomsof a radioactive isotope in a sample at time t₀, the error introduced through the in-accuracy of its decay constant (λ) can be reduced to a much smaller value by thecareful selection of the time of measurement or measurements of its radioactivity ataround one life time (1/λ) after t₀ and doing the calculation.