A New Measurement Of The Neutron Lifetime

J Byrne, Jeffrey D Morse,K F Smith, F Shaikh,Keith Evan Green, G L Greene

PHYSICS LETTERS B（1980）

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摘要

We have measured the mean lifetime τ of the free neutron by counting decay protons stored in an electromagnetic trap. Neutron density determination was by activation of calibrated boron foils. The result, based on five independent measurements for various experimental conditions, is τ = 937 ± 18 s.

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