Superallowed Nuclear Beta Decay: A Window on the Weak Interaction

Details Superallowed Nuclear Beta Decay: A Window on the Weak Interaction Superallowed Nuclear Beta Decay: A Window on the Weak Interaction

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..972..119h&link_type=abstract

EXOTIC NUCLEI AND NUCLEAR/PARTICLE ASTROPHYSICS (II): Proceedings of the Carpathian Summer School of Physics 2007. AIP Conferen

Astronomy and Astrophysics

Astrophysics

1

Beta Decay, Double Beta Decay, Electron And Muon Capture, Determination Of Kobayashi-Maskawa Matrix Elements, Models Beyond The Standard Model, Spontaneous And Radiative Symmetry Breaking

Scientific paper

Measurements on superallowed 0+-->0+ nuclear beta transitions currently provide the most demanding test of the Conserved Vector Current (CVC) hypothesis and the most precise value for the up-down element, Vud, of the Cabibbo-Kobayashi-Maskawa (CKM) matrix. Both are sensitive probes for physics beyond the Standard Model. Analysis of the experimental results depends on small radiative and isospin-symmetry-breaking corrections whose uncertainties now dominate those from experiment. Recent experiments have been focusing on tests of these corrections with a view to reducing their uncertainties. An overview is presented together with a description of measurements at Texas A&M on the superallowed decay of 34Ar.

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