53 citations · 356 across the 20 of their papers we have counts for
20 papers
Patterns of flavour symmetry breaking in hadron matrix elements involving u, d and s quarks
J. M. Bickerton, R. Horsley, Y. Nakamura +7
By considering a flavour expansion about the SU(3)-flavour symmetric point, we investigate how flavour-blindness constrains octet baryon matrix elements after SU(3) is broken by th…
Flavour breaking effects in the pseudoscalar meson decay constants
V. G. Bornyakov, R. Horsley, Y. Nakamura +7
The SU(3) flavour symmetry breaking expansion in up, down and strange quark masses is extended from hadron masses to meson decay constants. This allows a determination of the ratio…
Improving the lattice axial vector current
R. Horsley, Y. Nakamura, H. Perlt +4
For Wilson and clover fermions traditional formulations of the axial vector current do not respect the continuum Ward identity which relates the divergence of that current to the p…
Disconnected contributions to the spin of the nucleon
A. J. Chambers, R. Horsley, Y. Nakamura +8
The spin decomposition of the proton is a long-standing topic of much interest in hadronic physics. Lattice QCD has had much success in calculating the connected contributions to t…
Wilson flow and scale setting from lattice QCD
V. G. Bornyakov, R. Horsley, R. Hudspith +8
We give a determination of the phenomenological value of the Wilson (or gradient) flow scales t0 and w0 for 2+1 flavours of dynamical quarks. The simulations are performed keeping…
A lattice determination of Sigma - Lambda mixing
R. Horsley, J. Najjar, Y. Nakamura +7
Isospin breaking effects in baryon octet (and decuplet) masses are due to a combination of up and down quark mass differences and electromagnetic effects and lead to small mass spl…