Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/77570
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Type: | Conference paper |
Title: | Instanton contributions to the low-lying hadronic mass spectrum |
Author: | Thomas, S. Kamleh, W. Leinweber, D. |
Citation: | PoS (Lattice 2012); 256 |
Publisher: | Proceedings of Science |
Publisher Place: | Italy |
Issue Date: | 2012 |
ISSN: | 1824-8039 |
Conference Name: | International Symposium on Lattice Field Theory (30th : 2012 : Cairns, Australia) |
Statement of Responsibility: | Samuel Thomas, Waseem Kamleh, and Derek Leinweber |
Abstract: | The masses of the light hadrons are calculated on in lattice QCD at various stages of stout-link smearing tuned specifically to preserve instanton-like objects. The calculation is performed using a 20³ × 40 dynamical FLIC ensemble with lattice spacing 0.126 fm at a range of pion masses; the effect of vacuum instanton content is compared at a common pion mass of 350 MeV. We find little evidence that the instanton effect is as significant as models would suggest. In fact, the direct instanton-induced effect cannot be seen at all. |
Description: | Extent: 5p. |
Rights: | © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence |
DOI: | 10.22323/1.164.0256 |
Grant ID: | http://purl.org/au-research/grants/arc/DP120104627 http://purl.org/au-research/grants/arc/DP150103164 |
Description (link): | http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=164 |
Published version: | http://pos.sissa.it/archive/conferences/164/256/Lattice%202012_256.pdf |
Appears in Collections: | Aurora harvest 4 Special Research Centre for the Subatomic Structure of Matter publications |
Files in This Item:
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hdl_77570.pdf | Published version | 194.46 kB | Adobe PDF | View/Open |
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