Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/77535
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Type: | Conference paper |
Title: | Octet baryon mass splittings from up-down quark mass differences |
Author: | Horsley, R. Najjar, J. Nakamura, Y. Pleiter, D. Rakow, P. Schierholz, G. Zanotti, J. |
Citation: | PoS (Lattice 2012); 135 |
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: | R. Horsley, J. Najjar, Y. Nakamura, D. Pleiter, P. E. L. Rakow, G. Schierholz, and J. M. Zanotti, QCDSF–UKQCD Collaboration |
Abstract: | Using an SU(3) flavour symmetry breaking expansion in the quark mass, we determine the QCD component of the neutron-proton, Sigma and Xi mass splittings of the baryon octet due to updown (and strange) quark mass differences. Provided the average quark mass is kept constant, the expansion coefficients in our procedure can be determined from computationally cheaper simulations with mass degenerate sea quarks and partially quenched valence quarks. Full details and numerical results are given in [1]. |
Description: | Extent: 7p. |
Rights: | © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence |
DOI: | 10.22323/1.164.0135 |
Description (link): | http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=164 |
Published version: | http://pos.sissa.it/archive/conferences/164/135/Lattice%202012_135.pdf |
Appears in Collections: | Aurora harvest 4 Special Research Centre for the Subatomic Structure of Matter publications |
Files in This Item:
File | Description | Size | Format | |
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hdl_77535.pdf | Published version | 212.2 kB | Adobe PDF | View/Open |
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