STI Publications - View Publication Form #14518
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Publication Information
| Title | Octet Baryon Magnetic Moments from Lattice QCD: Approaching Experiment from the Three-Flavor Symmetric Point | ||||
| Abstract | Lattice QCD calculations with background magnetic fields are used to determine the magnetic moments of the octet baryons. Computations are performed at the physical value of the strange quark mass, and two values of the light quark mass, one corresponding to the SU(3)F symmetric point, where the pion mass is 800MeV, and the other corresponding to a pion mass of 450 MeV. The moments are found to exhibit only mild pion-mass dependence when expressed in terms of efficaciously chosen magneton units - the natural baryon magneton. Consequently simple extrapolations can be used to determine isovector magnetic moments at the physical point, which are found to agree with experiment within uncertainties. The isoscalar magnetic moments also extrap- olate to physical values within uncertainties, which suggests that the omitted quark-disconnected contributions at m? ? 450MeV are small. A curious pattern is revealed among the anomalous baryon magnetic moments which is linked to the constituent quar | ||||
| Author(s) | Assumpta Parreno, Martin Savage, Brian Tiburzi, Jonas Wilhelm, Emmanuel Chang, William Detmold, Konstantinos Orginos | ||||
| Publication Date | June 2017 | ||||
| Document Type | Journal Article | ||||
| Primary Institution | Thomas Jefferson National Accelerator Facility, Newport News | ||||
| Affiliation | Theory & Comp Physics / THEORY CENTER / THEORY CENTER | ||||
| Funding Source | Nuclear Physics (NP) | ||||
| Proprietary? | No | ||||
| This publication conveys | Technical Science Results | ||||
| Document Numbers |
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| Associated with an experiment | No | ||||
| Associated with EIC | No | ||||
| Supported by Jefferson Lab LDRD Funding | No |
Journal Article
| Journal Name | Physical Review D |
| Refereed | Yes |
| Volume | 95 |
| Issue | 11 |
| Page(s) | 114513 |
Attachments/Datasets/DOI Link
| Document(s) |
octetb_v3.3.pdf
(STI Document)
octetb_v3.3.pdf
(Accepted Manuscript)
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| DOI Link | |
| Dataset(s) | (none) |
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