Neutron lifetime splitting in beta-decay
Abstract
The author considers a hypothesis of neutron lifetime splitting in beta-decay and shows that the beta-decay of neutrons could be described by the triad of lifetimes tauLeft, tauMean, tauRight. The lifetime tauLeft is the lifetime of L-neutrons emitting electrons against the neutron spin direction (L-type neutron decay). The lifetime tauRight is the lifetime of R-neutrons emitting electrons in the direction of the neutron spin (R-type neutron decay). The lifetime tauMean is the arithmetic average of tauLeft, tauRight or the mean neutron lifetime. While using the parameters of electron-spin asymmetry of neutron decay and the results for determining the mean neutron lifetime, the performed numerical estimates gave the numerical values of the triad tauLeft, tauMean, tauRight as 813 s, 900 s and 987 s respectively. In addition to the estimates, the lifetimes of the triad are determined from experimental data applying the decay scale tuning method proposed by the author. The experimental values of the triad coincided with the estimates with high accuracy. The weighted average neutron lifetime tauW determined from the experimental neutron lifetimes tauLeft and tauRight is equal to tauW=833.33 +- 0.02 s, and is in good agreement with the values of the neutron lifetime obtained by the other methods.
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