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4 papers · 2 filters
Tetraquark operators in lattice QCD and exotic flavour states in the charm sector
Gavin K. C. Cheung, Christopher E. Thomas, Jozef J. Dudek +1
We present a general class of operators resembling compact tetraquarks which have a range of colour-flavour-spin structures, transform irreducibly under the symmetries of the latti…
First lattice QCD study of the gluonic structure of light nuclei
Frank Winter, William Detmold, Arjun S. Gambhir +4
The role of gluons in the structure of the nucleon and light nuclei is investigated using lattice quantum chromodynamics (QCD) calculations. The first moment of the unpolarised glu…
Baryon-Baryon Interactions and Spin-Flavor Symmetry from Lattice Quantum Chromodynamics
Michael L. Wagman, Frank Winter, Emmanuel Chang +5
Lattice quantum chromodynamics is used to constrain the interactions of two octet baryons at the SU(3) flavor-symmetric point, with quark masses that are heavier than those in natu…
D-Meson Mixing in 2+1-Flavor Lattice QCD
Chia Cheng Chang, C. M. Bouchard, A. X. El-Khadra +7
We present results for neutral D-meson mixing in 2+1-flavor lattice QCD. We compute the matrix elements for all five operators that contribute to D mixing at short distances, inclu…