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

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