scholarly journals K0 and K+ -meson electromagnetic form factors: A nonperturbative relativistic quark model versus experimental, perturbative, and lattice quantum-chromodynamics results

2021 ◽  
Vol 104 (3) ◽  
Author(s):  
S. V. Troitsky ◽  
V. E. Troitsky
Keyword(s):  
Quantum Chromodynamics ◽  
Quark Model ◽  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Relativistic Quark Model ◽  
Lattice Quantum Chromodynamics ◽  
K Meson ◽  
Lattice Quantum ◽  
Model Versus

Electromagnetic form factor of Ds∗ meson from Nf = 2 twisted mass lattice QCD

2019 ◽  
Vol 34 (30) ◽  
pp. 1950194 ◽  
Author(s):  
Ning Li ◽  
Ya-Jie Wu
Keyword(s):  
Form Factor ◽  
Quantum Chromodynamics ◽  
Electromagnetic Form Factor ◽  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Lattice Quantum Chromodynamics ◽  
Twisted Mass ◽  
Lattice Quantum ◽  
Ds Meson ◽  
Twisted Boundary Conditions

We investigate the electromagnetic form factor of [Formula: see text] meson using [Formula: see text] twisted mass lattice quantum chromodynamics gauge configurations. The numerical simulations are carried out under twisted boundary conditions which are helpful to increase the resolution in momentum space. We determine electromagnetic form factors with more small four-momentum transfer, and further fit the charge radius for [Formula: see text] meson.

scholarly journals Electromagnetic Form Factors of Hyperons in a Relativistic Quark Model

NSTAR 2004 ◽  
2004 ◽  
Author(s):  
T. VAN CAUTEREN ◽  
T. CORTHALS ◽  
S. JANSSEN ◽  
J. RYCKEBUSCH ◽  
D. MERTEN ◽  
...  
Keyword(s):  
Quark Model ◽  
Form Factors ◽  
Electromagnetic Form Factors ◽  
Relativistic Quark Model

Lattice QCD on GPU clusters, using the QUDA library and the Chroma software system

2012 ◽  
Vol 26 (4) ◽  
pp. 386-398 ◽  
Author(s):  
Bálint Joó ◽  
Mike A. Clark
Keyword(s):  
Quantum Chromodynamics ◽  
Graphics Processing Units ◽  
Lawrence Livermore National Laboratory ◽  
National Laboratory ◽  
Application Framework ◽  
Software System ◽  
Nuclear Forces ◽  
Lattice Quantum Chromodynamics ◽  
Lattice Quantum ◽  
Strong Scaling

The QUDA library for optimized lattice quantum chromodynamics using GPUs, combined with a high-level application framework such as the Chroma software system, provides a powerful tool for computing quark propagators, a key step in current calculations of hadron spectroscopy, nuclear structure, and nuclear forces. In this contribution we discuss our experiences, including performance and strong scaling of the QUDA library and Chroma on the Edge Cluster at Lawrence Livermore National Laboratory and on various clusters at Jefferson Lab. We highlight some scientific successes and consider future directions for graphics processing units in lattice quantum chromodynamics calculations.

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