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Título: | Non-perturbative quark mass renormalisation and running in Nf=3 QCD |
Autor: | Campos, Isabel CSIC ORCID ; Fritzsch, Patrick; Pena, C.; Preti, D.; Ramos, Alberto; Vladikas, Anastassios | Palabras clave: | Quark masses Lattice QCD |
Fecha de publicación: | may-2018 | Editor: | Springer Nature | Citación: | The European Physical Journal C 78: 387 (2018) | Resumen: | We determine from first principles the quark mass anomalous dimension in Nf=3 QCD between the electroweak and hadronic scales. This allows for a fully non-perturbative connection of the perturbative and non-perturbative regimes of the Standard Model in the hadronic sector. The computation is carried out to high accuracy, employing massless O (a) -improved Wilson quarks and finite-size scaling techniques. We also provide the matching factors required in the renormalisation of light quark masses from lattice computations with O (a) -improved Wilson fermions and a tree-level Symanzik improved gauge action. The total uncertainty due to renormalisation and running in the determination of light quark masses in the SM is thus reduced to about 1% . | Versión del editor: | https://doi.org/10.1140/epjc/s10052-018-5870-5 | URI: | http://hdl.handle.net/10261/167947 | DOI: | 10.1140/epjc/s10052-018-5870-5 | ISSN: | 1434-6044 | E-ISSN: | 1434-6052 |
Aparece en las colecciones: | (IFCA) Artículos |
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Campos2018_Article_Non-perturbativeQuarkMassRenor.pdf | Main article published in the European Physical Journal C | 1,9 MB | Adobe PDF | Visualizar/Abrir |
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