A Theoretical determination of the eta - eta-prime mixing
(2009) The Journal of High Energy Physics (Online) — Vol. 0905, p. 43 (2009)
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- Abstract
- The systematic large N_c limit within chiral perturbation provides an optimal eta-eta' mixing angle of about -27 degrees at leading order in p^2. In this frame, agreement with the data can be reached with higher order corrections of about 20%. Comment: 12 pages, 2 figures; reference to the two-mixing-angle scheme added, minor corrections; to appear in JHEP
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Citations
Degrande, C., & Gérard, J.-M. (2009). A Theoretical determination of the eta - eta-prime mixing. The Journal of High Energy Physics (Online), 0905, 43. https://doi.org/10.1088/1126-6708/2009/05/043 (Original work published 2009)