English
Related papers

Related papers: D and D_s meson spectroscopy from lattice QCD

200 papers

The different ground state energies of N-pion and M-kaon systems for N+M <=12 are studied in lattice QCD. These energies are then used to extract the various two- and three- body interactions that occur in these systems. Particular…

High Energy Physics - Lattice · Physics 2011-08-11 William Detmold , Brian Smigielski

The mass spectrum of charmed and bottom baryons has been computed on anisotropic lattices using quenched lattice nonrelativistic QCD. Masses are extracted by using mass splittings which are more accurate than masses obtained directly by…

High Energy Physics - Phenomenology · Physics 2010-04-06 Nilmani Mathur , Randy Lewis , R. M. Woloshyn

We present preliminary results for the D_s meson spectroscopy study on the 2+1 flavour domain wall fermion lattice configurations, generated with the Iwasaki gauge action at beta=2.13 by the RBC-UKQCD collaboration. The simulations are on…

High Energy Physics - Lattice · Physics 2008-11-26 Chris Allton , Chris Maynard , Aurora Trivini , Robert Tweedie

We present RBC heavy-light meson spectroscopy with quenched DBW2 gauge configurations at lattice cutoff of about 3 GeV. Both heavy and light quarks are described by domain-wall fermions (DWF). The heavy quark mass ranges between 0.1 and 0.4…

High Energy Physics - Lattice · Physics 2019-08-15 HueyWen Lin , Shigemi Ohta , Norikazu Yamada

We present the first combined study of correlators and spectral properties of charmonium and open-charm-mesons at finite temperature using a fully relativistic lattice QCD approach. The QCD medium is captured by second generation…

High Energy Physics - Lattice · Physics 2018-09-17 Aoife Kelly , Alexander Rothkopf , Jon-Ivar Skullerud

We present a study of baryon ground states and low lying excitations of non-strange and strange baryons. The results are based on seven gauge field ensembles with two dynamical light Chirally Improved (CI) quarks corresponding to pion…

High Energy Physics - Lattice · Physics 2015-06-12 Georg P. Engel , C. B. Lang , Daniel Mohler , Andreas Schaefer

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

We present a computation of the charm quark's mass and the leptonic D-meson decay constants f_D and f_{D_s} in two-flavour lattice QCD with non-perturbatively O(a) improved Wilson quarks. Our analysis is based on the CLS configurations at…

High Energy Physics - Lattice · Physics 2013-12-31 Jochen Heitger , Georg M. von Hippel , Stefan Schaefer , Francesco Virotta

Charmed meson charmonium spectra are studied with improved quark actions on anisotropic lattices. We measured the pseudo-scalar and vector meson dispersion relations for 4 lowest lattice momentum modes with quark mass values ranging from…

High Energy Physics - Lattice · Physics 2009-11-11 Liuming Liu , Shiquan Su , Xin Li , Chuan Liu

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

We calculate the full spectrum of D-wave states in the Upsilon system in lattice QCD for the first time, using an improved version of NonRelativistic QCD on coarse and fine "second generation" gluon field configurations from the MILC…

High Energy Physics - Lattice · Physics 2015-06-03 J. O. Daldrop , C. T. H. Davies , R. J. Dowdall

We present first results of a 2+1+1 flavor twisted mass lattice QCD computation of strange and charm meson masses. We focus on D and D_s mesons with spin J = 0,1 and parity P = -,+.

High Energy Physics - Lattice · Physics 2013-08-16 Martin Kalinowski , Marc Wagner

We present a detailed description of the extraction of the highly excited isovector meson spectrum on dynamical anisotropic lattices using a new quark-field construction algorithm and a large variational basis of operators. With careful…

High Energy Physics - Phenomenology · Physics 2010-09-21 Jozef J. Dudek , Robert G. Edwards , Michael J. Peardon , David G. Richards , Christopher E. Thomas

We present our final results of the charmonium spectrum in quenched QCD on anisotropic lattices. Simulations are made with the plaquette gauge action and a tadpole improved clover quark action employing $\xi = a_s/a_t = 3$. We calculate the…

We present results for the mass splittings of low-lying charmonium states from a calculation with Wilson clover valence quarks with the Fermilab interpretation on an asqtad sea. We use five lattice spacings and two values of the light sea…

High Energy Physics - Lattice · Physics 2014-12-03 Daniel Mohler , Carleton DeTar , Andreas S. Kronfeld , Song-haeng Lee , Ludmila Levkova , J. N. Simone

We investigate the charm quark system on 2+1 flavor PACS-CS configurations. Calculations are performed at the lattice spacing $a^{-1}=2.194(10)$ GeV and the spatial extent $L=2.9$ fm with O(a)-improved Wilson fermions for the light quarks…

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

We present results for correlators and spectral functions of open charm mesons using 2+1 flavours of clover fermions on anisotropic lattices. The D mesons are found to dissociate close to the deconfinement crossover temperature Tc. Our…

High Energy Physics - Lattice · Physics 2017-04-05 Aoife Kelly , Jon-Ivar Skullerud

We study properties of pseudoscalar flavour-singlet mesons from Wilson twisted mass lattice QCD with Nf=2+1+1 dynamical quark flavors. Results for masses are presented at three values of the lattice spacing and light quark masses…

The world's first examination of the odd-parity nucleon spectrum at light quark masses in 2+1 flavor lattice QCD is presented. Configurations generated by the PACS-CS collaboration and made available through the ILDG are used, with the…

High Energy Physics - Lattice · Physics 2015-06-11 M. Selim Mahbub , Waseem Kamleh , Derek B. Leinweber , Peter J. Moran , Anthony G. Williams

Results for the spectrum of S and P-wave charmed mesons are obtained in the quenched approximation from a tadpole-improved anisotropic gauge field action and a D234 quark action. This is compared to the spectrum obtained from an NRQCD charm…

High Energy Physics - Lattice · Physics 2009-10-31 Randy Lewis , R. M. Woloshyn
‹ Prev 1 3 4 5 6 7 10 Next ›