Bali, Gunnar S. and Lang, Bernhard and Musch, Bernhard U. and Schaefer, Andreas (2016) Novel quark smearing for hadrons with high momenta in lattice QCD. PHYSICAL REVIEW D, 93 (9): 094515. ISSN 2470-0010, 2470-0029
Full text not available from this repository. (Request a copy)Abstract
Hadrons in lattice QCD are usually created employing smeared interpolators. We introduce a new quark smearing that allows us to maintain small statistical errors and good overlaps of hadronic wave functions with the respective ground states, also at high spatial momenta. The method is successfully tested for the pion and the nucleon at a pion mass m(pi) approximate to 295 MeV and momenta as high as 2.8 GeV. We compare the results obtained to dispersion relations and suggest further optimizations.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | EXCLUSIVE PROCESSES; WILSON FERMIONS; WAVE-FUNCTIONS; MASS-SPECTRUM; GAUGE-THEORY; SPECTROSCOPY; SIMULATIONS; OPERATORS; BETA=6.2; NUCLEON; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 18 Mar 2019 09:15 |
| Last Modified: | 18 Mar 2019 09:15 |
| URI: | https://pred.uni-regensburg.de/id/eprint/2918 |
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