Title: Tests of the standard electroweak model in nuclear beta decay
Authors: Severijns, Natalis ×
Beck, Marcus
Naviliat-Cuncic, Oscar #
Issue Date: Jul-2006
Publisher: American Physical Society
Series Title: Reviews of modern physics vol:78 issue:3 pages:991-1040
Abstract: The current status of precision measurements in allowed nuclear beta decay is reviewed, including neutron decay, with emphasis on their potential to look for new physics beyond the standard electroweak model. Experimental results are interpreted in the framework of phenomenological model-independent descriptions of nuclear beta decay as well as in some specific extensions of the standard model. The values of the standard couplings and the constraints on the exotic couplings of the general beta decay Hamiltonian are updated. The ratio between the axial and vector couplings obtained is C-A/C-V=-1.269 92(69) under standard model assumptions. Particular attention is devoted to the discussion of the sensitivity and complementarity of different precision experiments in direct beta decay. The prospects and impact of recent developments of precision tools and of high intensity low-energy beams are also addressed.
ISSN: 0034-6861
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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