Speaker
Prof.
Susan Gardner
(University of Kentucky)
Description
We show that a triple-product correlation in the neutron radiative
$\beta$-decay rate, characterized by the kinematical variable
${\mathbf l}_p\cdot({\mathbf l}_e\times{\mathbf k})$,
isolates the pseudo-Chern-Simons term found by
Harvey, Hill, and Hill as a consequence of the baryon vector current
anomaly and SU(2)$\times$U(1) gauge invariance at low energies.
We consider the bound which emerges on the strength of
its neutral current analogue from MiniBooNE data and compute
the size of the expected asymmetry in $n\to p e^- \bar\nu_e \gamma$.
Primary author
Prof.
Susan Gardner
(University of Kentucky)
Co-author
Mr
Daheng He
(University of Kentucky)
