164 citations · 780 across the 12 of their papers we have counts for
13 papers
Neutral B-meson mixing from full lattice QCD at the physical point
R. J. Dowdall, C. T. H. Davies, R. R. Horgan +4
We calculate the bag parameters for neutral -meson mixing in and beyond the Standard Model, in full four-flavour lattice QCD for the first time. We work on gluon field configura…
Hindered M1 Radiative Decay of from Lattice NRQCD
Ciaran Hughes, Rachel J. Dowdall, Christine T. H. Davies +3
We present a calculation of the hindered M decay rate using lattice non-relativistic QCD. The calculation includes spin-dependent relativistic corrections…
Bottomonium and B results from full lattice QCD
C. T. H. Davies, B. Colquhoun, B. Galloway +7
We have developed two methods for handling quarks in lattice QCD. One uses NRQCD (now improved to include radiative corrections) and the other uses Highly Improved Staggered Qu…
Bottomonium hyperfine splittings from lattice NRQCD including radiative and relativistic corrections
R. J. Dowdall, C. T. H. Davies, T. Hammant +2
We present a calculation of the hyperfine splittings in bottomonium using lattice Nonrelativistic QCD. The calculation includes spin-dependent relativistic corrections through O(v^…
B-meson decay constants from improved lattice NRQCD and physical u, d, s and c sea quarks
R. J. Dowdall, C. T. H. Davies, R. R. Horgan +2
We present the first lattice QCD calculation of the decay constants f_B and f_{B_s} with physical light quark masses. We use configurations generated by the MILC collaboration incl…
Precise heavy-light meson masses and hyperfine splittings from lattice QCD including charm quarks in the sea
R. J. Dowdall, C. T. H. Davies, T. C. Hammant +1
We present improved results for the B and D meson spectrum from lattice QCD including the effect of u/d,s and c quarks in the sea. For the B mesons the Highly Improved Staggered Qu…
The B and B_s Meson Decay Constants from Lattice QCD
Heechang Na, Chris J. Monahan, Christine T. H. Davies +3
We present a new determination of the B and B_s meson decay constants using NRQCD b-quarks, HISQ light and strange valence quarks and the MILC collaboration N_f=2+1 lattices. The n…
Studies of B and B_s Meson Leptonic Decays with NRQCD Bottom and HISQ Light/Strange Quarks
Junko Shigemitsu, Heechang Na, Christine Davies +3
We present a progress report on new calculations of B and B_s meson decay constants employing NRQCD heavy and HISQ light valence quarks and using MILC N_f = 2+1 AsqTad lattices. Ba…
Precise charm to strange mass ratio and light quark masses from full lattice QCD
C. T. H. Davies, C. McNeile, K. Y. Wong +6
By using a single formalism to handle charm, strange and light valence quarks in full lattice QCD for the first time, we are able to determine ratios of quark masses to 1%. For $m_…
Matching the Bare and MSbar Charm Quark Masses Using Weak Coupling Simulations
I. F. Allison, K. Y. Wong, C. T. H. Davies +8
We provide a new determination of the charm quark mass using the Highly Improved Staggered Quark (HISQ) action, finding m_c(3 GeV) = 0.983(23) GeV. Our determination makes extensiv…
Semileptonic B Decays from an NRQCD/D234 Action
J. Shigemitsu, S. Collins, C. T. H. Davies +3
Semileptonic B decays are studied on quenched anisotropic lattices using Symanzik improved glue, NRQCD heavy quark and D234 light quark actions. We employ constrained fits to extra…
Semileptonic B Decays from an NRQCD/D234 Action
J. Shigemitsu, S. Collins, C. T. H. Davies +3
Semileptonic, B --> pi, l nubar, decays are studied on quenched anisotropic lattices using tree-level tadpole improved Symanzik glue, NRQCD heavy quark and D234 light quark actions…
Comparison Studies of Finite Momentum Correlators on Anisotropic and Isotropic Lattices
S. Collins, C. T. H. Davies, J. Hein +3
We study hadronic two- and three-point correlators relevant for heavy to light pseudoscalar meson semi-leptonic decays, using Symanzik improved glue, D234 light quark and NRQCD hea…