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- ETM Collaboration, Remi Baron, +17 authors Urs Wenger
- 2010

We present results of lattice QCD simulations with mass-degenerate up and down and mass-split strange and charm (Nf = 2 + 1 + 1) dynamical quarks using Wilson twisted mass fermions at maximal twist.â€¦ (More)

We explore the transitions B(0 +) to B Ï€ and Bs(0 +) to B K from lattice QCD with N f = 2 flavours of sea quark, using the static approximation for the heavy quark. We evaluate the effective couplingâ€¦ (More)

We explore the decay of a vector meson to two pseudoscalar mesons on the lattice with N f = 2 flavours of sea quark. Although we are working with quark masses that do not allow a physical decay, weâ€¦ (More)

We discuss the allowed decays of a hybrid meson in the heavy quark limit. We deduce that an important decay will be into a heavy quark non-hybrid state and a light quark meson, in other words, theâ€¦ (More)

We review some decays that require knowledge of the decay constants of 0 + heavy-light mesons. We compute the decay constants of P-wave heavy-light mesons from unquenched lattice QCD at a singleâ€¦ (More)

- Claude Bernard, Thomas A. DeGrand, +8 authors Matthew Wingate
- 1998

C. Bernard, T. DeGrand, C. DeTar, Steven Gottlieb, Urs M. Heller, J. E. Hetrick, N. Ishizuka, C. McNeile, R. Sugar, D. Toussaint, M. Wingate Washington University, St. Louis, Missouri 63130, USAâ€¦ (More)

- C. T. H. Davies, Craig McNeile, +6 authors Helen Trottier
- Physical review letters
- 2010

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(c)/m(s) we obtainâ€¦ (More)

We evaluate the matrix element of Â¯ qq in hadron states on a lattice. We find substantial mixing of the connected and disconnected contributions so that the lattice result that the disconnectedâ€¦ (More)

Lattice QCD with N f = 2 flavours of sea quark is used to explore the spectrum and decay of a J P C = 1 âˆ’+ spin-exotic hybrid meson. We test lattice determination of S-wave decay amplitudes atâ€¦ (More)

- Federico Farchioni, Karl Jansen, +12 authors I. Wetzorke
- 2005

F. Farchionia, K. Jansenb, C. McNeilec, C. Michaelc, I. Montvayd, K. Nagaib, M. Papinuttob, J. Pickavanceâˆ—c, E. Scholzd, L. Scorzatoe, A. Shindlerb, N. Ukitad, C. Urbachb f , U. Wengerb and I.â€¦ (More)