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Related papers: D and D_s meson spectroscopy

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We present results for the low-lying spectrum of D and D_s mesons from a lattice QCD calculation on 2+1 flavor Clover-Wilson configurations generated by the PACS-CS collaboration. In particular S- and P-wave states of charmed and…

High Energy Physics - Lattice · Physics 2011-09-01 Daniel Mohler , R. M. Woloshyn

Preliminary results are presented for the spectrum of D_s mesons using the 2+1 flavor Clover-Wilson configurations made available by the PACS-CS collaboration. For the heavy quark, the Fermilab method is employed and we report on the tuning…

High Energy Physics - Lattice · Physics 2011-01-27 Daniel Mohler , R. M. Woloshyn

We present a calculation of the spectrum of low-lying D and D_s mesons calculated on 2+1 flavor configurations with Clover-Wilson quarks generated by the PACS-CS collaboration. S- and P-wave states are explored for pion masses down to…

High Energy Physics - Lattice · Physics 2011-11-01 Daniel Mohler , R. M. Woloshyn

We study Bs and Ds spectroscopy in quenched lattice QCD using the Fermilab approach to heavy quarks. We obtain results at four lattice spacings, $a$, using $O(a)$-improved Wilson quarks. We compare and contrast the various methods for heavy…

High Energy Physics - Lattice · Physics 2008-11-26 Paul B. Mackenzie , Sinead M. Ryan , James N. Simone

We present preliminary results for the D_s meson spectrum and decay constants in unquenched lattice QCD. Simulations are carried out with 2+1 dynamical quarks using gauge configurations generated by the MILC collaboration. We use the…

We present highly excited spectra of charm-light and charm-strange mesons from dynamical lattice QCD. Our calculations are performed on anisotropic $N_{f} = 2+1$ dynamical ensembles generated by the Hadron Spectrum Collaboration. The use of…

High Energy Physics - Lattice · Physics 2013-01-16 Graham Moir , Michael Peardon , Sinead M. Ryan , Christopher E. Thomas

We study heavy-heavy and heavy-light quark systems for charm with a relativistic heavy quark action in 2+1 flavor lattice QCD. Configurations are generated by the PACS-CS Collaboration at the lattice spacing is $a=0.09$ fm with the lattice…

The mass spectrum of S and P-wave mesons containing a single heavy quark has been computed using quenched lattice nonrelativistic QCD. Numerical results have been obtained at first, second and third order in the heavy quark expansion, so…

High Energy Physics - Phenomenology · Physics 2009-10-31 Randy Lewis , R. M. Woloshyn

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 mass spectrum of charm and bottom heavy baryons, using MILC coarse lattice configurations with 2+1 flavors. Clover heavy quark propagators with the Fermilab interpretation and improved staggered light quark…

High Energy Physics - Lattice · Physics 2008-11-26 Heechang Na , Steven Gottlieb

We present highly-excited charmonium, $D_s$ and $D$ meson spectra from dynamical lattice QCD calculations with light quarks corresponding to $M_{\pi} \sim 240$ MeV and compare these to previous results with $M_{\pi} \sim 400$ MeV. Utilising…

High Energy Physics - Lattice · Physics 2017-01-06 Gavin K. C. Cheung , Cian O'Hara , Graham Moir , Michael Peardon , Sinéad M. Ryan , Christopher E. Thomas , David Tims

We present highly excited spectra of charmonium, charm-light and charm-strange mesons using the dynamical anisotropic lattices of the Hadron Spectrum Collaboration. The use of novel techniques has allowed us to extract these spectra with a…

High Energy Physics - Lattice · Physics 2013-12-06 Graham Moir , Michael Peardon , Sinead M. Ryan , Christopher E. Thomas , Liuming Liu

Heavy-light meson system is investigated using the relativistic heavy quark action on the 2+1 dynamical flavor PACS-CS configurations at the lattice spacing $a^{-1}=2.2$ GeV and the spatial extent L=3 fm. Dynamical up-down and strange quark…

High Energy Physics - Lattice · Physics 2019-08-14 Y. Namekawa

I review highlights of recent results in quark-flavor physics and heavy-quark spectroscopy from lattice QCD, with emphasis on $B$-meson decays and excited and exotic charmonium states.

High Energy Physics - Lattice · Physics 2015-11-25 Carleton DeTar

The calculation of the spectrum of QCD is key to an understanding of the strong interactions, and vital if we are to capitalize on the experimental study of the spectrum. In this paper, we describe progress towards understanding the…

We present results of a 2+1+1 flavor twisted mass lattice QCD computation of the spectrum of $D$ mesons and $D_s$ mesons and of charmonium. Particular focus is put on the positive parity $D$ states (so-called $D^{\ast \ast}$ mesons) with…

High Energy Physics - Lattice · Physics 2013-10-22 Marc Wagner , Martin Kalinowski

We present high-precision results from lattice QCD for the mass splittings of the low-lying charmonium states. For the valence charm quark, the calculation uses Wilson-clover quarks in the Fermilab interpretation. The gauge-field ensembles…

High Energy Physics - Lattice · Physics 2019-03-06 Carleton DeTar , Andreas S. Kronfeld , Song-haeng Lee , Daniel Mohler , James N. Simone

Lattice QCD results on the spectroscopy of charmonium(like) states and open charm mesons are reviewed. Near-threshold states X(3872) and D_{s0}^*(2317) were treated rigorously for the first time and the searches for Z_c^+(3900), X(4140) and…

High Energy Physics - Lattice · Physics 2013-10-21 Sasa Prelovsek

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

Using a multistate smearing method, Coulomb gauge wave functions of heavy-light mesons are studied in lattice QCD. Wave functions for the ground state, the first radially excited S-wave state, and the lowest P-wave states of a heavy-light…

High Energy Physics - Lattice · Physics 2009-10-22 A. Duncan , E. Eichten , H. Thacker
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