Determination of the $η$-$η^\prime$ mixing angle

Details Determination of the $η$-$η^\prime$ mixing angle Determination of the $η$-$η^\prime$ mixing angle

2012-02-27

arxiv.org/abs/1202.6075v1

Phys. Rev. D 85, 057501 (2012)

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, revtex, no figures, accepted for publication as a Brief Report in Physical Review D

Scientific paper

10.1103/PhysRevD.85.057501

We extract $\eta$-$\eta^\prime$ mixing angle and the ratios of decay
constants of light pseudoscalar mesons $\pi^0$, $\eta$ and $\eta^\prime$ using
recently available BaBar measurements on $\eta$-photon and $\eta^\prime$-photon
transition form factors and more accurate experimental data for the masses and
two-photon decay widths of the light pseduoscalar mesons.

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