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This is a follow-up to our earlier work for the energies and the charge (vector) and matter (scalar) distributions for S-wave states in a heavy-light meson, where the heavy quark is static and the light quark has a mass about that of the…

High Energy Physics - Lattice · Physics 2008-11-26 J. Koponen

This is a follow-up to our earlier work [Phys. Rev. D 65, 014512 (2002); Eur. Phys. J. C 28, 79 (2003); Phys. Rev. D 69, 094505 (2004)] for the energies and the charge (vector) and matter (scalar) distributions for S-wave states in a…

High Energy Physics - Lattice · Physics 2009-04-25 UKQCD Collaboration , A. M. Green , J. Ignatius , M. Jahma , J. Koponen , C. McNeile , C. Michael

This is a follow-up to our earlier work for the energies and the charge (vector) and matter (scalar) distributions for S-wave states in a heavy-light meson, where the heavy quark is static and the light quark has a mass about that of the…

High Energy Physics - Lattice · Physics 2008-11-26 UKQCD Collaboration , J. Koponen

The energies of different angular momentum states of a heavy-light meson were measured on a lattice in PRD 58, 34506 (1998) . We have now continued this study using several different lattices, quenched and unquenched, that have different…

High Energy Physics - Lattice · Physics 2007-05-23 J. Koponen , for UKQCD Collaboration

The energies of different angular momentum states of a heavy-light meson were measured on a lattice in Michael and Peisa, Phys. Rev. D 58, 34506 (1998). We have now repeated this study using several different lattices, quenched and…

High Energy Physics - Lattice · Physics 2007-05-23 J. Koponen , for UKQCD Collaboration

This is a summary of a detailed study of heavy-light meson excited state energies. Our lattice measurements include both radial and orbital excitations. Particular attention is paid to the spin-orbit splittings, to see which one of the…

High Energy Physics - Lattice · Physics 2008-11-26 J. Koponen

We determine the energies of the excited states of a heavy-light meson $Q\bar{q}$, with a static heavy quark and light quark with mass approximately that of the strange quark from both quenched lattices and with dynamical fermions. We are…

High Energy Physics - Lattice · Physics 2008-11-26 UKQCD Collaboration , A. M. Green , J. Koponen , C. McNeile , C. Michael , G. Thompson

Excited state spectra of $B$, $B_s$ and $B_c$ mesons are computed using lattice QCD. Working with a large basis of carefully constructed, approximately-local $q\bar{q}$-like operators we determine a rich spectrum of states up to $J=4$ in…

High Energy Physics - Lattice · Physics 2025-02-10 Luke Gayer , Sinéad M. Ryan , David J. Wilson

In our earlier work, the charge and matter radial distributions of heavy-light mesons were measured on a 16^3 times 24 lattice with a lattice spacing of a = 0.17 fm and a light quark mass about that of the strange quark. Several major…

High Energy Physics - Lattice · Physics 2017-08-23 A. M. Green , J. Koponen , P. Pennanen , C. Michael

We present a high-statistics lattice calculation of the kinetic energy $-\lambda_1/2 m_b$ of the heavy quark inside the $B$-meson and of the chromo-magnetic term $\lambda_2$, related to the $B^*$--$B$ mass splitting, performed in the HQET.…

High Energy Physics - Lattice · Physics 2009-10-09 V. Gimenez , G. Martinelli , C. T. Sachrajda

This is a follow-up to our earlier work for the charge (vector) and matter (scalar) distributions for S-wave states in a heavy-light meson, where the heavy quark is static and the light quark has a mass about that of the strange quark. The…

High Energy Physics - Lattice · Physics 2008-11-26 UKQCD Collaboration , A. M. Green , J. Koponen , C. Michael

We give results for the $B$ and the $D$ meson spectrum using NRQCD on the lattice in the quenched approximation. The masses of radially and orbitally excited states are calculated as well as $S$-wave hyperfine and $P$-wave fine structure.…

High Energy Physics - Phenomenology · Physics 2010-01-18 J. Hein , S. Collins , C. T. H. Davies , A. Ali Khan , H. Newton , C. Morningstar , J. Shigemitsu , J. Sloan

We present results for the spectrum of static-light mesons from Nf=2 lattice QCD. These results were obtained using all-to-all light quark propagators on an anisotropic lattice, yielding an improved signal resolution when compared to more…

High Energy Physics - Lattice · Physics 2008-11-26 Justin Foley , Alan O'Cais , Sinead M. Ryan , Mike Peardon

We compute the ground-state energies of a heavy-light K-Lambda like system as a function of the relative distance r of the hadrons. The heavy quarks, one in each hadron, are treated as static. Then, the energies give rise to an adiabatic…

High Energy Physics - Lattice · Physics 2008-11-26 M. S. Cook , H. R. Fiebig

We demonstrate the viability of improved staggered light quarks in studies of heavy-light systems. Our method for constructing heavy-light operators exploits the close relation between naive and staggered fermions. The new approach is…

High Energy Physics - Lattice · Physics 2009-11-07 Matthew Wingate , Junko Shigemitsu , Christine T. H. Davies , G. Peter Lepage , Howard D. Trottier

We study the excitations of hadrons containing a single heavy quark. We present meson and baryon mass splittings and ratios of meson decay constants resulting from quenched and dynamical two-flavor configurations. Light quarks are simulated…

High Energy Physics - Lattice · Physics 2010-01-21 Tommy Burch , Christian Hagen , Christian B. Lang , Markus Limmer , Andreas Schäfer

We present a lattice investigation of heavy-light mesons in the quenched approximation, using non-relativistic QCD for the heavy quark and a clover improved Wilson formulation for the light quark. A comprehensive calculation of the…

High Energy Physics - Lattice · Physics 2010-01-18 A. Ali Khan , C. T. H. Davies , S. Collins , J. Sloan , J. Shigemitsu

The energies of different angular momentum states of a heavy-light meson were measured on a lattice by Michael and Peisa in Phys. Rev. D 58, 34506 (1998). We have now repeated this study using a larger, quenched lattice to check that there…

High Energy Physics - Lattice · Physics 2008-11-26 J. Koponen , A. M. Green , C. Michael

The potential between two heavy-light mesons as a function of the heavy quark separation is calculated in quenched SU(3) lattice QCD. We study the case of heavy-light mesons with a static heavy quark and light quarks of mass close to the…

High Energy Physics - Lattice · Physics 2008-11-26 UKQCD Collaboration , C. Michael , P. Pennanen

We study mesons on the lattice with a special focus on excited states. For that purpose we construct several quark sources with different spatial smearings, including p-waves. These quark sources are then combined with the appropiate Dirac…

High Energy Physics - Lattice · Physics 2009-09-29 Tommy Burch , Christian Hagen , Andreas Schäfer
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