T . V . Cianciolo

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This document presents the motivation, experimental method, manpower and schedule for the Nab experiment at the Fundamental Neutron Physics Beamline at the SNS. Thanks to its highly precise theoretical treatment within the framework of the standard model and high sensitivity to departures from the basic V −A description, neutron beta decay offers an(More)
We propose to perform a precise measurement of a, the electronneutrino correlation parameter, and b, the Fierz interference term in neutron beta decay, at the Fundamental Neutron Physics Beamline at the SNS, using a novel electric/magnetic field spectrometer and detector design. The experiment is aiming at the 10−3 accuracy level in a, and will provide an(More)
We are developing an experiment to measure the correlations a, A, and B, and the Fierz interference term b in neutron decay, with a precision of approximately 10(-4). The experiment uses an electromagnetic spectrometer in combination with two large-area segmented silicon detectors to detect the proton and electron from the decay in coincidence, with 4π(More)
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