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Related papers: Static-light hadrons on a dynamical anisotropic la…

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We calculate the leading-twist light-cone distribution amplitudes of the light $\Lambda$ baryon using lattice methods within the framework of large momentum effective theory. Our numerical computations are conducted employing $N_f=2+1$…

High Energy Physics - Lattice · Physics 2025-02-24 Min-Huan Chu , Haoyang Bai , Jun Hua , Jian Liang , Xiangdong Ji , Andreas Schafer , Yushan Su , Wei Wang , Yi-Bo Yang , Jun Zeng , Jian-Hui Zhang , Qi-An Zhang

Results are presented for hadron spectroscopy with gauge groups SU(N) with N=3, 5, 7. Calculations use the quenched approximation. Lattice spacings are matched using the static potential. Meson spectra show independence on N and…

High Energy Physics - Lattice · Physics 2013-05-30 Thomas DeGrand

The mass spectrum of heavy quark baryons has been computed on anisotropic lattices using quenched lattice nonrelativistic QCD. The mass splittings between spin-1/2 and spin-3/2 baryons are also calculated. Results are compared to those…

High Energy Physics - Lattice · Physics 2007-05-23 Nilmani Mathur , Randy Lewis , R. M. Woloshyn

This article reviews lattice QCD results for the light hadron spectrum. We give an overview of different formulations of lattice QCD, with discussions on the fermion doubling problem and improvement programs. We summarize recent…

High Energy Physics - Lattice · Physics 2012-04-12 Zoltan Fodor , Christian Hoelbling

We numerically investigate the transition of the static quark-antiquark string into a static-light meson-antimeson system. Improving noise reduction techniques, we are able to resolve the signature of string breaking dynamics for n_f=2…

High Energy Physics - Lattice · Physics 2011-08-01 SESAM Collaboration , Gunnar S. Bali , Hartmut Neff , Thomas Duessel , Thomas Lippert , Klaus Schilling

Recent results in light hadron spectroscopy are reviewed. Attention is given to the requirements of precision determinations in lattice gauge theory. Different methods for extracting the running coupling constant $\alpha_S$ are compared.…

High Energy Physics - Lattice · Physics 2008-11-26 Chris Michael

Recent developments in lattice QCD calculations of the light hadron spectrum and quark masses are reviewed.

High Energy Physics - Lattice · Physics 2007-05-23 T. Kaneko

We present results from a study of light meson spectra and structure obtained within the framework of light-front QCD formulated on a transverse lattice. We discuss how imposing Lorentz covariance conditions on meson dispersion relations…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Burkardt , S. K. Seal

We present preliminary results for the light harden spectrum in $N_f=2+1$ lattice QCD obtained with the nonperturbatively $O(a)$-improved Wilson quark action and the Iwasaki gauge action. Simulations are carried out at $\beta=1.90$ on a…

A method for computing electromagnetic properties of hadrons in lattice QCD is applied to the extraction of electromagnetic properties of the octet baryons. This allows a determination of the full dependence of the baryon masses on the…

High Energy Physics - Lattice · Physics 2009-10-28 A. Duncan , E. Eichten , H. Thacker

We present our preliminary analysis for the chamonium and D$_s$ spectra obtained from N$_f=2$ dynamical anisotropic lattices. We use 12$^3\times 80$ lattices with lattice spacing $a_t=7.35$ GeV$^{-1}$ and anisotropy of six. Meson…

High Energy Physics - Lattice · Physics 2008-01-08 A. Ó Cais , M. B . Oktay , S. M. Ryan , M. J. Peardon , J. I. Skullerud

We investigate hadron spectra in 2-color QCD using lattice simulation with $N_{f}=2$ at low temperature and finite density in which there appears not only the hadronic phase but also the superfluid phase. We first calculate the pion and rho…

High Energy Physics - Lattice · Physics 2022-11-28 Kotaro Murakami , Daiki Suenaga , Kei Iida , Etsuko Itou

A method in which electromagnetic properties of hadrons are studied by direct simulation of dynamical photon effects is applied to the extraction of the isomultiplet structure of the octet baryons. Using 187 configurations at $\beta=5.7$…

High Energy Physics - Lattice · Physics 2009-10-28 A. Duncan , E. Eichten , H. Thacker

CP-PACS and JLQCD Collaborations are carrying out a joint project of the 2+1 flavor full QCD with the RG-improved gauge action and the non-perturbatively ${\cal O}(a)$-improved Wilson quark action. This simulation removes quenching effects…

In this talk we present the results obtained from a study of ${\cal O}(2000)$ (quenched) lattice configurations from the APE collaboration, at $6.0\le\beta\le 6.4$, using both the Wilson and the SW-Clover fermion action. We determine the…

High Energy Physics - Lattice · Physics 2015-06-25 L. Giusti

We present updated results of the CP-PACS calculation of the light hadron spectrum in $N_{\rm f}=2$ full QCD. Simulations are made with an RG-improved gauge action and a tadpole-improved clover quark action for sea quark masses…

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

I review recent results on hadron spectroscopy using lattice QCD. In light of the discoveries in heavy baryon sector at LHCb over the past few years, lattice calculations in this regard are emphasized. Investigations on light baryon,…

High Energy Physics - Lattice · Physics 2019-05-24 M. Padmanath

Progress in extracting excited-state baryon masses in lattice QCD using large sets of spatially-extended operators is presented. The use of stochastic estimates of all-to-all quark propagators with variance reduction techniques is…

High Energy Physics - Lattice · Physics 2019-08-13 Colin Morningstar

An approximate holographic dual of QCD is constructed and shown to reproduce the empirical linear trajectories of universal slope on which the square masses of radially and orbitally excited hadrons join. Conformal symmetry breaking and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hilmar Forkel , Michael Beyer , Tobias Frederico