TY - JOUR
T1 - Nab
T2 - Measurement principles, apparatus and uncertainties
AU - Počanić, Dinko
AU - Alarcon, R.
AU - Alonzi, L. P.
AU - Baeßler, S.
AU - Balascuta, S.
AU - Bowman, J. D.
AU - Bychkov, M. A.
AU - Byrne, J.
AU - Calarco, J. R.
AU - Cianciolo, V.
AU - Crawford, C.
AU - Frlež, E.
AU - Gericke, M. T.
AU - Greene, G. L.
AU - Grzywacz, R. K.
AU - Gudkov, V.
AU - Hersman, F. W.
AU - Klein, A.
AU - Martin, J.
AU - Page, S. A.
AU - Palladino, A.
AU - Penttilä, S. I.
AU - Rykaczewski, K. P.
AU - Wilburn, W. S.
AU - Young, A. R.
AU - Young, G. R.
PY - 2009/12/1
Y1 - 2009/12/1
N2 - The Nab collaboration will perform a precise measurement of a, the electron-neutrino correlation parameter, and b, the Fierz interference term in neutron beta decay, in 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 Δ a / a, and will provide an independent measurement of λ = GA / GV, the ratio of axial-vector to vector coupling constants of the nucleon. Nab also plans to perform the first ever measurement of b in neutron decay, which will provide an independent limit on the tensor weak coupling.
AB - The Nab collaboration will perform a precise measurement of a, the electron-neutrino correlation parameter, and b, the Fierz interference term in neutron beta decay, in 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 Δ a / a, and will provide an independent measurement of λ = GA / GV, the ratio of axial-vector to vector coupling constants of the nucleon. Nab also plans to perform the first ever measurement of b in neutron decay, which will provide an independent limit on the tensor weak coupling.
KW - Correlations
KW - Neutron beta decay
KW - Precision measurement
UR - http://www.scopus.com/inward/record.url?scp=71549135839&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=71549135839&partnerID=8YFLogxK
U2 - 10.1016/j.nima.2009.07.065
DO - 10.1016/j.nima.2009.07.065
M3 - Article
AN - SCOPUS:71549135839
SN - 0168-9002
VL - 611
SP - 211
EP - 215
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
IS - 2-3
ER -