Patterns of flavour symmetry breaking in hadron matrix elements involving u, d and s quarks

26 Jul 2021, 13:15
15m
Oral presentation Hadron Structure Hadron Structure

Speaker

Roger Horsley (University of Edinburgh)

Description

Using an SU(3) flavour symmetry breaking expansion between the strange and light quark masses, we determine how this constrains the extrapolation of baryon and meson octet matrix elements and form factors. In particular we can construct certain combinations, which fan out from symmetric point (when all the quark masses are degenerate) to the point when the light and strange quarks take their physical values. As an example we consider vector form factors at various momentum.

Primary author

Roger Horsley (University of Edinburgh)

Presentation materials