2004/08/27 by E. Frlez, Frlez, E.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #hep-ex
paper · pdf · doi:10.48550/arxiv.hep-ex/0408140
9 pages, 4 postscript figures, LaTeX, presented at the Precision Measurements with Slow Neutrons Conference, April 5-7, 2004, National Institute of Standards and Technology, Gaithersburg, to appear in a special issue of the NIST Journal of Research
arxiv created 2004/08/27 · arxiv updated 2009/12/01
The abBA collaboration proposes to conduct a comprehensive program of precise measurements of neutron β-decay coefficients a (the correlation between the neutrino momentum and the decay electron momentum), b (the electron energy spectral distortion term), A (the correlation between the neutron spin and the decay electron momentum), and B (the correlation between the neutron spin and the decay neutrino momentum) at a cold neutron beam facility. We have used a GEANT4-based code to simulate the propagation of decay electrons and protons in the electromagnetic spectrometer and study the energy and timing response of a pair of Silicon detectors. We used these results to examine systematic effects and find the uncertainties with which the physics parameters a, b, A, and B can be extracted from an over-determined experimental data set.