Properties of flavour-singlet pseudoscalar mesons from lattice QCD

Urbach, Carsten

doi:10.1051/epjconf/201713404004

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Qcd Symmetries and The η And η1

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2019

2024

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Cited by 4 publications

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“…Recent QCD lattice calculations give values for the mixing angles: 34 ± 3 • (Gregory et al, 2012b) and 46 ± 1 ± 3 • (Michael et al, 2013;Urbach, 2017) in the quark flavor basis and −14.1 ± 2.8 • in the (leading order) octet-singlet basis (Christ et al, 2010).…”

Section: Qcd Symmetries and The η And ηmentioning

confidence: 99%

η′ and η mesons with connection to anomalous glue

Bass

Moskal

2019

Rev. Mod. Phys.

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We review the present understanding of η and η meson physics and these mesons as a probe of gluon dynamics in low-energy QCD. Recent highlights include the production mechanism of η and η mesons in proton-nucleon collisions from threshold to high-energy, the η effective mass shift in the nuclear medium, searches for possible η and η bound states in nuclei as well as precision measurements of η decays as a probe of light-quark masses. We discuss recent experimental data, theoretical interpretation of the different measurements and the open questions and challenges for future investigation.

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Section: Qcd Symmetries and The η And ηmentioning

confidence: 99%