Neutron Beta Decay Studies with Nab
  Precision measurements in neutron beta decay serve to determine the coupling constants of beta decay and allow for several stringent tests of the standard model. This paper discusses the design and the expected performance of the Nab spectrometer. 
S. Bae{\ss}ler, R. Alarcon, L. P. Alonzi, S. Balascuta, L.   Barr\'on-Palos, J. D. Bowman, M. A. Bychkov, J. Byrne, J. R. Ca...
nucl-ex